Skip Navigation

Planetary Satellite Ephemerides

The following table lists the current JPL planetary satellite ephemeris used for each planetary satellite. These ephemerides are used by Horizons to provide high-precision ephemerides for the planetary satellites.

Satellites of
Planet Satellite Code Ephemeris Ref.
Mars Phobos 401 MAR099 7
Mars Deimos 402 MAR099 7
Jupiter Io 501 JUP365 29
Jupiter Europa 502 JUP365 29
Jupiter Ganymede 503 JUP365 29
Jupiter Callisto 504 JUP365 29
Jupiter Amalthea 505 JUP365 29
Jupiter Thebe 514 JUP365 29
Jupiter Adrastea 515 JUP365 29
Jupiter Metis 516 JUP365 29
Jupiter Himalia 506 JUP347 47
Jupiter Elara 507 JUP347 47
Jupiter Pasiphae 508 JUP347 47
Jupiter Sinope 509 JUP347 47
Jupiter Lysithea 510 JUP347 47
Jupiter Carme 511 JUP347 47
Jupiter Ananke 512 JUP347 47
Jupiter Leda 513 JUP347 47
Jupiter Callirrhoe 517 JUP347 47
Jupiter Themisto 518 JUP347 47
Jupiter Megaclite 519 JUP347 47
Jupiter Taygete 520 JUP347 47
Jupiter Chaldene 521 JUP347 47
Jupiter Harpalyke 522 JUP347 47
Jupiter Kalyke 523 JUP347 47
Jupiter Iocaste 524 JUP347 47
Jupiter Erinome 525 JUP347 47
Jupiter Isonoe 526 JUP347 47
Jupiter Praxidike 527 JUP347 47
Jupiter Autonoe 528 JUP347 47
Jupiter Thyone 529 JUP347 47
Jupiter Hermippe 530 JUP347 47
Jupiter Aitne 531 JUP347 47
Jupiter Eurydome 532 JUP347 47
Jupiter Euanthe 533 JUP347 47
Jupiter Euporie 534 JUP347 47
Jupiter Orthosie 535 JUP347 47
Jupiter Sponde 536 JUP347 47
Jupiter Kale 537 JUP347 47
Jupiter Pasithee 538 JUP347 47
Jupiter Hegemone 539 JUP347 47
Jupiter Mneme 540 JUP347 47
Jupiter Aoede 541 JUP347 47
Jupiter Thelxinoe 542 JUP347 47
Jupiter Arche 543 JUP347 47
Jupiter Kallichore 544 JUP347 47
Jupiter Helike 545 JUP347 47
Jupiter Carpo 546 JUP347 47
Jupiter Eukelade 547 JUP347 47
Jupiter Cyllene 548 JUP347 47
Jupiter Kore 549 JUP347 47
Jupiter Herse 550 JUP347 47
Jupiter S2010_J_1 551 JUP347 47
Jupiter S2010_J_2 552 JUP347 47
Jupiter Dia 553 JUP347 47
Jupiter S2016_J_1 554 JUP347 47
Jupiter S2003_J_18 555 JUP347 47
Jupiter S2011_J_2 556 JUP347 47
Jupiter Eirene 557 JUP347 47
Jupiter Philophrosyne 558 JUP347 47
Jupiter S2017_J_1 559 JUP347 47
Jupiter Eupheme 560 JUP347 47
Jupiter S2003_J_19 561 JUP347 47
Jupiter Valetudo 562 JUP347 47
Jupiter S2017_J_2 563 JUP347 47
Jupiter S2017_J_3 564 JUP347 47
Jupiter Pandia 565 JUP347 47
Jupiter S2017_J_5 566 JUP347 47
Jupiter S2017_J_6 567 JUP347 47
Jupiter S2017_J_7 568 JUP347 47
Jupiter S2017_J_8 569 JUP347 47
Jupiter S2017_J_9 570 JUP347 47
Jupiter Ersa 571 JUP347 47
Jupiter S2011_J_1 572 JUP347 47
Jupiter S2003_J_2 55501 JUP347 47
Jupiter S2003_J_4 55502 JUP347 47
Jupiter S2003_J_9 55503 JUP347 47
Jupiter S2003_J_10 55504 JUP347 47
Jupiter S2003_J_12 55505 JUP347 47
Jupiter S2003_J_16 55506 JUP347 47
Jupiter S2003_J_23 55507 JUP347 47
Jupiter S2003_J_24 55508 JUP347 47
Jupiter S2011_J_3 55509 JUP347 47
Jupiter S2018_J_2 55510 JUP347 47
Jupiter S2018_J_3 55511 JUP347 47
Jupiter S2021_J_1 55512 JUP347 47
Jupiter S2021_J_2 55513 JUP347 47
Jupiter S2021_J_3 55514 JUP347 47
Jupiter S2021_J_4 55515 JUP347 47
Jupiter S2021_J_5 55516 JUP347 47
Jupiter S2021_J_6 55517 JUP347 47
Jupiter S2016_J_3 55518 JUP347 47
Jupiter S2016_J_4 55519 JUP347 47
Jupiter S2018_J_4 55520 JUP347 47
Jupiter S2022_J_1 55521 JUP347 47
Jupiter S2022_J_2 55522 JUP347 47
Jupiter S2022_J_3 55523 JUP347 47
Jupiter S2017_J_10 55525 JUP347 47
Jupiter S2017_J_11 55526 JUP347 47
Jupiter S2011_J_4 55527 JUP348 51
Jupiter S2018_J_5 55528 JUP348 51
Jupiter S2024_J_1 55529 JUP348 51
Jupiter S2011_J_5 55530 JUP348 51
Saturn Mimas 601 SAT441 36
Saturn Enceladus 602 SAT441 36
Saturn Tethys 603 SAT441 36
Saturn Dione 604 SAT441 36
Saturn Rhea 605 SAT441 36
Saturn Titan 606 SAT441 36
Saturn Hyperion 607 SAT441 36
Saturn Iapetus 608 SAT441 36
Saturn Methone 632 SAT441 36
Saturn Helene 612 SAT441 36
Saturn Telesto 613 SAT441 36
Saturn Calypso 614 SAT441 36
Saturn Polydeuces 634 SAT441 36
Saturn Phoebe 609 SAT441 36
Saturn Janus 610 SAT415 17
Saturn Epimetheus 611 SAT415 17
Saturn Atlas 615 SAT415 17
Saturn Prometheus 616 SAT415 17
Saturn Pandora 617 SAT415 17
Saturn Pan 618 SAT415 17
Saturn Pallene 633 SAT415 17
Saturn Anthe 649 SAT415 17
Saturn Aegaeon 653 SAT415 17
Saturn Daphnis 635 SAT415 17
Saturn Ymir 619 SAT456 48
Saturn Paaliaq 620 SAT456 48
Saturn Tarvos 621 SAT456 48
Saturn Ijiraq 622 SAT456 48
Saturn Suttungr 623 SAT456 48
Saturn Kiviuq 624 SAT456 48
Saturn Mundilfari 625 SAT456 48
Saturn Albiorix 626 SAT456 48
Saturn Skadi 627 SAT456 48
Saturn Erriapus 628 SAT456 48
Saturn Siarnaq 629 SAT456 48
Saturn Thrymr 630 SAT456 48
Saturn Narvi 631 SAT456 48
Saturn Aegir 636 SAT456 48
Saturn Bebhionn 637 SAT456 48
Saturn Bergelmir 638 SAT456 48
Saturn Bestla 639 SAT456 48
Saturn Farbauti 640 SAT456 48
Saturn Fenrir 641 SAT456 48
Saturn Fornjot 642 SAT456 48
Saturn Hati 643 SAT456 48
Saturn Hyrrokkin 644 SAT456 48
Saturn Kari 645 SAT456 48
Saturn Loge 646 SAT456 48
Saturn Skoll 647 SAT456 48
Saturn Surtur 648 SAT456 48
Saturn Jarnsaxa 650 SAT456 48
Saturn Greip 651 SAT456 48
Saturn Tarqeq 652 SAT456 48
Saturn Gridr 654 SAT456 48
Saturn Angrboda 655 SAT456 48
Saturn Skrymir 656 SAT456 48
Saturn Gerd 657 SAT456 48
Saturn S2004_S_26 658 SAT456 48
Saturn Eggther 659 SAT456 48
Saturn S2004_S_29 660 SAT456 48
Saturn Beli 661 SAT456 48
Saturn Gunnlod 662 SAT456 48
Saturn Thiazzi 663 SAT456 48
Saturn S2004_S_34 664 SAT456 48
Saturn Alvaldi 665 SAT456 48
Saturn Geirrod 666 SAT456 48
Saturn S2004_S_31 65067 SAT457 49
Saturn S2004_S_24 65070 SAT457 49
Saturn S2004_S_28 65077 SAT457 49
Saturn S2004_S_21 65079 SAT457 49
Saturn S2004_S_36 65081 SAT457 49
Saturn S2004_S_37 65082 SAT457 49
Saturn S2004_S_39 65084 SAT457 49
Saturn S2004_S_07 65085 SAT457 49
Saturn S2004_S_12 65086 SAT457 49
Saturn S2004_S_13 65087 SAT457 49
Saturn S2004_S_17 65088 SAT457 49
Saturn S2006_S_01 65089 SAT457 49
Saturn S2006_S_03 65090 SAT457 49
Saturn S2007_S_02 65091 SAT457 49
Saturn S2007_S_03 65092 SAT457 49
Saturn S2019_S_01 65093 SAT457 49
Saturn S2019_S_02 65094 SAT457 49
Saturn S2019_S_03 65095 SAT457 49
Saturn S2020_S_01 65096 SAT457 49
Saturn S2020_S_02 65097 SAT457 49
Saturn S2004_S_40 65098 SAT457 49
Saturn S2006_S_09 65100 SAT457 49
Saturn S2007_S_05 65101 SAT457 49
Saturn S2020_S_03 65102 SAT457 49
Saturn S2019_S_04 65103 SAT457 49
Saturn S2004_S_41 65104 SAT457 49
Saturn S2020_S_04 65105 SAT457 49
Saturn S2020_S_05 65106 SAT457 49
Saturn S2007_S_06 65107 SAT457 49
Saturn S2004_S_42 65108 SAT457 49
Saturn S2006_S_10 65109 SAT457 49
Saturn S2019_S_05 65110 SAT457 49
Saturn S2004_S_43 65111 SAT457 49
Saturn S2004_S_44 65112 SAT457 49
Saturn S2004_S_45 65113 SAT457 49
Saturn S2006_S_11 65114 SAT457 49
Saturn S2006_S_12 65115 SAT457 49
Saturn S2019_S_06 65116 SAT457 49
Saturn S2006_S_13 65117 SAT457 49
Saturn S2019_S_07 65118 SAT457 49
Saturn S2019_S_08 65119 SAT457 49
Saturn S2019_S_09 65120 SAT457 49
Saturn S2004_S_46 65121 SAT457 49
Saturn S2019_S_10 65122 SAT457 49
Saturn S2004_S_47 65123 SAT457 49
Saturn S2019_S_11 65124 SAT457 49
Saturn S2006_S_14 65125 SAT457 49
Saturn S2019_S_12 65126 SAT457 49
Saturn S2020_S_06 65127 SAT457 49
Saturn S2019_S_13 65128 SAT457 49
Saturn S2005_S_04 65129 SAT457 49
Saturn S2007_S_07 65130 SAT457 49
Saturn S2007_S_08 65131 SAT457 49
Saturn S2020_S_07 65132 SAT457 49
Saturn S2019_S_14 65133 SAT457 49
Saturn S2019_S_15 65134 SAT457 49
Saturn S2005_S_05 65135 SAT457 49
Saturn S2006_S_15 65136 SAT457 49
Saturn S2006_S_16 65137 SAT457 49
Saturn S2006_S_17 65138 SAT457 49
Saturn S2004_S_48 65139 SAT457 49
Saturn S2020_S_08 65140 SAT457 49
Saturn S2004_S_49 65141 SAT457 49
Saturn S2004_S_50 65142 SAT457 49
Saturn S2006_S_18 65143 SAT457 49
Saturn S2019_S_16 65144 SAT457 49
Saturn S2019_S_17 65145 SAT457 49
Saturn S2019_S_18 65146 SAT457 49
Saturn S2019_S_19 65147 SAT457 49
Saturn S2019_S_20 65148 SAT457 49
Saturn S2006_S_19 65149 SAT457 49
Saturn S2004_S_51 65150 SAT457 49
Saturn S2020_S_09 65151 SAT457 49
Saturn S2004_S_52 65152 SAT457 49
Saturn S2007_S_09 65153 SAT457 49
Saturn S2004_S_53 65154 SAT457 49
Saturn S2020_S_10 65155 SAT457 49
Saturn S2019_S_21 65156 SAT457 49
Saturn S2006_S_20 65157 SAT457 49
Saturn S2004_S_54 65158 SAT455 46
Saturn S2004_S_55 65159 SAT455 46
Saturn S2004_S_56 65160 SAT455 46
Saturn S2004_S_57 65161 SAT455 46
Saturn S2004_S_58 65162 SAT455 46
Saturn S2004_S_59 65163 SAT455 46
Saturn S2004_S_60 65164 SAT455 46
Saturn S2004_S_61 65165 SAT455 46
Saturn S2005_S_06 65166 SAT455 46
Saturn S2005_S_07 65167 SAT455 46
Saturn S2006_S_21 65168 SAT455 46
Saturn S2006_S_22 65169 SAT455 46
Saturn S2006_S_23 65170 SAT455 46
Saturn S2006_S_24 65171 SAT455 46
Saturn S2006_S_25 65172 SAT455 46
Saturn S2006_S_26 65173 SAT455 46
Saturn S2006_S_27 65174 SAT455 46
Saturn S2006_S_28 65175 SAT455 46
Saturn S2006_S_29 65176 SAT455 46
Saturn S2007_S_10 65177 SAT455 46
Saturn S2007_S_11 65178 SAT455 46
Saturn S2019_S_22 65179 SAT455 46
Saturn S2019_S_23 65180 SAT455 46
Saturn S2019_S_24 65181 SAT455 46
Saturn S2019_S_25 65182 SAT455 46
Saturn S2019_S_26 65183 SAT455 46
Saturn S2019_S_27 65184 SAT455 46
Saturn S2019_S_28 65185 SAT455 46
Saturn S2019_S_29 65186 SAT455 46
Saturn S2019_S_30 65187 SAT455 46
Saturn S2019_S_31 65188 SAT455 46
Saturn S2019_S_32 65189 SAT455 46
Saturn S2019_S_33 65190 SAT455 46
Saturn S2019_S_34 65191 SAT455 46
Saturn S2019_S_35 65192 SAT455 46
Saturn S2019_S_36 65193 SAT455 46
Saturn S2019_S_37 65194 SAT455 46
Saturn S2019_S_38 65195 SAT455 46
Saturn S2019_S_39 65196 SAT455 46
Saturn S2019_S_40 65197 SAT455 46
Saturn S2019_S_41 65198 SAT455 46
Saturn S2019_S_42 65199 SAT455 46
Saturn S2019_S_43 65200 SAT455 46
Saturn S2019_S_44 65201 SAT455 46
Saturn S2020_S_11 65202 SAT455 46
Saturn S2020_S_12 65203 SAT455 46
Saturn S2020_S_13 65204 SAT455 46
Saturn S2020_S_14 65205 SAT455 46
Saturn S2020_S_15 65206 SAT455 46
Saturn S2020_S_16 65207 SAT455 46
Saturn S2020_S_17 65208 SAT455 46
Saturn S2020_S_18 65209 SAT455 46
Saturn S2020_S_19 65210 SAT455 46
Saturn S2020_S_20 65211 SAT455 46
Saturn S2020_S_21 65212 SAT455 46
Saturn S2020_S_22 65213 SAT455 46
Saturn S2020_S_23 65214 SAT455 46
Saturn S2020_S_24 65215 SAT455 46
Saturn S2020_S_25 65216 SAT455 46
Saturn S2020_S_26 65217 SAT455 46
Saturn S2020_S_27 65218 SAT455 46
Saturn S2020_S_28 65219 SAT455 46
Saturn S2020_S_29 65220 SAT455 46
Saturn S2020_S_30 65221 SAT455 46
Saturn S2020_S_31 65222 SAT455 46
Saturn S2020_S_32 65223 SAT455 46
Saturn S2020_S_33 65224 SAT455 46
Saturn S2020_S_34 65225 SAT455 46
Saturn S2020_S_35 65226 SAT455 46
Saturn S2020_S_36 65227 SAT455 46
Saturn S2020_S_37 65228 SAT455 46
Saturn S2020_S_38 65229 SAT455 46
Saturn S2020_S_39 65230 SAT455 46
Saturn S2020_S_40 65231 SAT455 46
Saturn S2020_S_41 65232 SAT455 46
Saturn S2020_S_42 65233 SAT455 46
Saturn S2020_S_43 65234 SAT455 46
Saturn S2020_S_44 65235 SAT455 46
Saturn S2023_S_01 65236 SAT455 46
Saturn S2023_S_02 65237 SAT455 46
Saturn S2023_S_03 65238 SAT455 46
Saturn S2023_S_04 65239 SAT455 46
Saturn S2023_S_05 65240 SAT455 46
Saturn S2023_S_06 65241 SAT455 46
Saturn S2023_S_07 65242 SAT455 46
Saturn S2023_S_08 65243 SAT455 46
Saturn S2023_S_09 65244 SAT455 46
Saturn S2023_S_10 65245 SAT455 46
Saturn S2023_S_11 65246 SAT455 46
Saturn S2023_S_12 65247 SAT455 46
Saturn S2023_S_13 65248 SAT455 46
Saturn S2023_S_14 65249 SAT455 46
Saturn S2023_S_15 65250 SAT455 46
Saturn S2023_S_16 65251 SAT455 46
Saturn S2023_S_17 65252 SAT455 46
Saturn S2023_S_18 65253 SAT455 46
Saturn S2023_S_19 65254 SAT455 46
Saturn S2023_S_20 65255 SAT455 46
Saturn S2023_S_21 65256 SAT455 46
Saturn S2023_S_22 65257 SAT455 46
Saturn S2023_S_23 65258 SAT455 46
Saturn S2023_S_24 65259 SAT455 46
Saturn S2023_S_25 65260 SAT455 46
Saturn S2023_S_26 65261 SAT455 46
Saturn S2023_S_27 65262 SAT455 46
Saturn S2023_S_28 65263 SAT455 46
Saturn S2023_S_29 65264 SAT455 46
Saturn S2023_S_30 65265 SAT455 46
Saturn S2023_S_31 65266 SAT455 46
Saturn S2023_S_32 65267 SAT455 46
Saturn S2023_S_33 65268 SAT455 46
Saturn S2023_S_34 65269 SAT455 46
Saturn S2023_S_35 65270 SAT455 46
Saturn S2023_S_36 65271 SAT455 46
Saturn S2023_S_37 65272 SAT455 46
Saturn S2023_S_38 65273 SAT455 46
Saturn S2023_S_39 65274 SAT455 46
Saturn S2023_S_40 65275 SAT455 46
Saturn S2023_S_41 65276 SAT455 46
Saturn S2023_S_42 65277 SAT455 46
Saturn S2023_S_43 65278 SAT455 46
Saturn S2023_S_44 65279 SAT455 46
Saturn S2023_S_45 65280 SAT455 46
Saturn S2023_S_46 65281 SAT455 46
Saturn S2023_S_47 65282 SAT455 46
Saturn S2023_S_48 65283 SAT455 46
Saturn S2023_S_49 65284 SAT455 46
Saturn S2023_S_50 65285 SAT455 46
Saturn S2020_S_45 65286 SAT458 50
Saturn S2020_S_46 65287 SAT458 50
Saturn S2020_S_47 65288 SAT458 50
Saturn S2020_S_48 65289 SAT458 50
Saturn S2023_S_51 65290 SAT458 50
Saturn S2023_S_52 65291 SAT458 50
Saturn S2023_S_53 65292 SAT458 50
Saturn S2023_S_54 65293 SAT458 50
Saturn S2023_S_55 65294 SAT458 50
Saturn S2023_S_56 65295 SAT458 50
Saturn S2023_S_57 65296 SAT458 50
Uranus Ariel 701 URA182 45
Uranus Umbriel 702 URA182 45
Uranus Titania 703 URA182 45
Uranus Oberon 704 URA182 45
Uranus Miranda 705 URA182 45
Uranus Puck 715 URA182 45
Uranus Cordelia 706 URA184 10
Uranus Ophelia 707 URA184 10
Uranus Bianca 708 URA184 10
Uranus Cressida 709 URA184 10
Uranus Desdemona 710 URA184 10
Uranus Juliet 711 URA184 10
Uranus Portia 712 URA184 10
Uranus Rosalind 713 URA184 10
Uranus Belinda 714 URA184 10
Uranus Puck 715 URA184 10
Uranus Perdita 725 URA184 10
Uranus Mab 726 URA184 10
Uranus Cupid 727 URA184 10
Uranus S2025_U1 75052 URA184 10
Uranus Caliban 716 URA117 43
Uranus Sycorax 717 URA117 43
Uranus Prospero 718 URA117 43
Uranus Setebos 719 URA117 43
Uranus Stephano 720 URA117 43
Uranus Trinculo 721 URA117 43
Uranus Ferdinand 722 URA117 43
Uranus Francisco 723 URA117 43
Uranus Margaret 724 URA117 43
Uranus S2023_U1 75051 URA117 43
Neptune Triton 801 NEP097 24
Neptune Naiad 803 NEP097 24
Neptune Thalassa 804 NEP097 24
Neptune Despina 805 NEP097 24
Neptune Galatea 806 NEP097 24
Neptune Larissa 807 NEP097 24
Neptune Proteus 808 NEP097 24
Neptune Hippocamp 814 NEP097 24
Neptune Nereid 802 NEP105 44
Neptune Halimede 809 NEP104 43
Neptune Psamathe 810 NEP104 43
Neptune Sao 811 NEP104 43
Neptune Laomedeia 812 NEP104 43
Neptune Neso 813 NEP104 43
Neptune S2002_N5 85051 NEP104 43
Neptune S2021_N1 85052 NEP104 43
Pluto Charon 901 PLU060 6
Pluto Nix 902 PLU060 6
Pluto Hydra 903 PLU060 6
Pluto Kerberos 904 PLU060 6
Pluto Styx 905 PLU060 6

References

  1. B. A. Archinal, C. H. Acton, M. F. A’Hearn, et~al. (2018) "Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2015". Celest.~Mech. 130:22.
  2. J. K. Campbell, J. D. Anderson (1989) "Gravity Field of the Saturnian System from Pioneer and Voyager Tracking Data". AJ 97:1485-1495.
  3. M. Brozović, R. A. Jacobson (2009) "The Orbits of the Outer Uranian Satellites". AJ 137:3834-3842.
  4. R. A. Jacobson (2009) "The Orbits of the Neptunian Satellites and the Orientation of the Pole of Neptune". AJ 137:4322-4329.
  5. M. Brozović, R. A. Jacobson, S. S. Sheppard (2011) "The Orbits of the Outer Neptunian Satellites". AJ 141:135.
  6. M. Brozović, R. A. Jacobson (2024) "Post-New Horizons orbits and masses for the satellites of Pluto". AJ 167:256.
  7. M. Brozović, R. A. Jacobson, R. S. Park (2025) "Revised Ephemerides of the Martian Satellites, Phobos and Deimos". AJ 00:00.
  8. R. Jacobson, M. Brozović, B. Gladman, M. Alexandersen, P. D. Nicholson, Veillet (2012) "Irregular satellites of the outer planets: orbital uncertainties and astrometric recoveries in 2009--2011". AJ 144:132.
  9. R. A. Jacobson (2014) "Update of the irregular Uranian satellite orbits with data through 2013 — URA112". personal communication to Horizons/NAIF.
  10. M. Brozovic (2025) "Update of the Uranian rocks orbits with JWST data — URA184". personal communication to Horizons/NAIF.
  11. R. A. Jacobson (2014) "Update of Saturnian irregulars with Earthbased data through early 2014 and all Cassini imaging through 2013 — SAT368". personal communication to Horizons/NAIF.
  12. R. A. Jacobson (2014) "The Orbits of the Uranian Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Pole of Uranus". AJ 148:76-88.
  13. R. A. Jacobson, V. Lainey (2014) "Martian Satellite Orbits and Ephemerides". Planet. Space Sci. 102:35-44.
  14. Alex S. Konopliv, Ryan S. Park, William M. Folkner (2016) "An improved JPL Mars gravity field and orientation from Mars orbiter and lander tracking data". Icarus 274:253-260.
  15. M. Brozović, M. R. Showalter, R. A. Jacobson, M. W. Buie (2015) "The orbits and masses of satellites of Pluto". Icarus 246:317-329.
  16. M. Brozović, R. A. Jacobson (2017) "The Orbits of Jupiter's Irregular Satellites". AJ 153:147.
  17. R. A. Jacobson (2018) "Rock ephemeris file from fit to all Cassini data — SAT415". personal communication to Horizons/NAIF.
  18. M. Brozović, R. A. Jacobson (2019) "The Orbits of the inner satellites of Uranus: solution URA115". Interoffice Memo. 392R-19-007 (internal document).
  19. R. A. Jacobson, M. Brozović, M. Showalter, A. Verbiscer, M. Buie, P. Helfenstein (2019) "The Orbits and Masses of Pluto's Satellites". In Pluto System After New Horizons 2133:7031.
  20. R. A. Jacobson (2019) "Ephemerides of the unnamed Saturnian irregulars including the 20 newly discovered ones — SAT428". personal communication to Horizons/NAIF.
  21. R. A. Jacobson (2020) "Ephemerides for the final comprehensive Cassini reconstruction — SAT427". personal communication to Horizons/NAIF.
  22. Marina Brozović, Mark R. Showalter, Robert A. Jacobson, Robert S. French, Jack J. Lissauer, Imke de Pater (2020) "Orbits and resonances of the regular moons of Neptune". Icarus 338:113462.
  23. R. A. Jacobson (2020) "The Orbits of the Regular Jovian Satellites, the Trajectories of Spacecraft at Jupiter, the Gravity Field of the Jovian System, and the Orientation of the Pole of Jupiter". Interoffice Memo. 392R-20-006 (internal document).
  24. M. Brozović (2020) "Update of the inner Neptunian satellite orbits — NEP097". personal communication to Horizons/NAIF.
  25. M. Brozović (2024) "Update of the outer Uranian satellite orbits — URA117". personal communication to Horizons/NAIF.
  26. M. Brozović (2024) "Update of the outer Neptunian satellite orbits — NEP103". personal communication to Horizons/NAIF.
  27. M. Brozović (2021) "Outer jovians with astrometry up to Nov 2020 — JUP344". personal communication to Horizons/NAIF.
  28. M. Brozović (2021) "Update of the inner Neptunian satellite orbits — NEP100". personal communication to Horizons/NAIF.
  29. R. A. Jacobson (2021) "The Orbits of the Regular Jovian Satellites and the Orientation of the Pole of Jupiter". personal communication to Horizons/NAIF.
  30. D. Durante, M. Parisi, D. Serra, M. Zannoni, V. Notaro, P. Racioppa, D. R. Buccino, G. Lari, L. Gomez Casajus, L. Iess, W. M. Folkner, G. Tommei, P. Tortora, S. J. Bolton (2020) "Jupiter's Gravity Field Halfway Through the Juno Mission". Geophys. Res. Lett. 47:e86572.
  31. M. Brozović (2021) "Update of Pluto's satellite orbits — PLU058". personal communication to Horizons/NAIF.
  32. M. Brozović, R. A. Jacobson (2021) "Ephemeris update ura116 for the irregular satellites of Uranus". Interoffice Memo. 392R-21-009 (internal document).
  33. R. A. Jacobson (2021) "Ephemerides of the unnamed Saturnian irregulars including the newly discovered S/2019~S1 — SAT450". personal communication to Horizons/NAIF.
  34. R. A. Jacobson (2021) "The Orbits of the Major Saturnian Satellites,the Trajectories of Spacecraft at Saturn, the Gravity Field of the Saturnian System, and the Orientation of Saturn's Pole". personal communication to Horizons/NAIF/Dragonfly.
  35. Marina Brozović, Robert A. Jacobson (2022) "Orbits of the irregular satellites of Uranus and Neptune". AJ 163:241.
  36. R. A. Jacobson (2022) "The Orbits of the Main Saturnian Satellites, the Saturnian System Gravity Field, and the Orientation of Saturn's Pole". AJ 164:199-217.
  37. R. A. Jacobson, M. Brozović, N. Mastrodemos, J. E. Riedel, S. S. Sheppard (2022) "Ephemerides of the Irregular Saturnian Satellites from Earth-based Astrometry and Cassini Imaging". AJ 164:240.
  38. R. A. Jacobson (2023) "Ephemerides of the Neptunian irregulars — NEP102". personal communication to Horizons/NAIF.
  39. M. Brozović (2023) "Ephemerides of the 12 new jovian irregulars — JUP345". personal communication to Horizons/NAIF.
  40. M. Brozović (2023) "Ephemerides of the 15 new jovian irregulars — JUP346". personal communication to Horizons/NAIF.
  41. R. A. Jacobson (2023) "Update of the provisional irregular Saturnian satellite orbits with data through 2022 — SAT453". personal communication to Horizons/NAIF.
  42. R. A. Jacobson (2024) "Update of the irregular Saturnian satellite orbits with data through 2023 — SAT454". personal communication to Horizons/NAIF.
  43. S. S. Sheppard, D. J. Tholen, M. Brozović, R. A. Jacobson, C. A. Trujillo, P. S. Lykawa, Alexandersen M. (2024) "New Moons of Uranus and Neptune from Ultra-Deep Pencil Beam Surveys". AJ, pp. .
  44. R. A. Jacobson (2024) "Update of the orbit of the irregular Neptunian satellite Nereid with data through 2021 — NEP105". personal communication to Horizons/NAIF.
  45. Robert A. Jacobson, Ryan S. Park (2025) "The Orbits of Uranus, Its Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Poles of Uranus and Its Satellites". AJ 169:65-82.
  46. M. Brozović, R. A. Jacobson (2025) "Ephemerides of the 129 new Saturanian irregulars — SAT455". personal communication to Horizons/NAIF.
  47. R. A. Jacobson (2025) "Ephemerides of the Jovian irregulars — JUP347". personal communication to Horizons/NAIF.
  48. R. A. Jacobson (2025) "Ephemerides of the IAU recognized Saturnian irregulars — SAT456". personal communication to Horizons/NAIF.
  49. R. A. Jacobson (2025) "Redelivery of ephemerides of the provisional Saturnian irregulars from SAT454 — SAT457". personal communication to Horizons/NAIF.
  50. R. A. Jacobson (2026) "Delivery of ephemerides of the provisional Saturnian irregulars from SAT458". personal communication to Horizons/NAIF.
  51. M. Brozović (2026) "Delivery of ephemerides of the provisional Jovian irregulars from JUP348". personal communication to Horizons/NAIF.