Planetary Satellite Ephemeris List

+ View the NASA Portal
+ Center for Near-Earth Object Studies

IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.

Planetary Satellite Ephemeris List

The following tables list the current JPL planetary satellite ephemeris files and their corresponding accuracies. These ephemeris files are used by HORIZONS to provide high-precision ephemerides for the planetary satellites. Tables are grouped by planet. Table column headings are described below.

Martian Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Phobos 401 MAR097 01-Jan-1600 04-Jan-2500 2 5 2 0.0001 0.01 1

Deimos 402 MAR097 01-Jan-1600 04-Jan-2500 3 10 3 0.0003 0.02 1

Galilean Satellites of Jupiter

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Io 501 JUP310 18-Dec-1900 14-Jan-2200 5 5 5 0.0003 0.002 3

Europa 502 JUP310 18-Dec-1900 14-Jan-2200 5 5 5 0.0003 0.002 3

Ganymede 503 JUP310 18-Dec-1900 14-Jan-2200 5 5 5 0.0003 0.002 3

Callisto 504 JUP310 18-Dec-1900 14-Jan-2200 5 5 5 0.0003 0.002 3

Jovian Inner Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Amalthea 505 JUP310 18-Dec-1900 14-Jan-2200 200 400 100 0.0003 0.13 3

Thebe 514 JUP310 18-Dec-1900 14-Jan-2200 200 400 100 0.0005 0.13 3

Adrastea 515 JUP310 18-Dec-1900 14-Jan-2200 200 800 100 0.0014 0.27 3

Metis 516 JUP310 18-Dec-1900 14-JAN-2200 200 600 100 0.0009 0.20 3

Jovian Irregular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Himalia 506 JUP340 06-Feb-1600 09-Dec-2599 200 300 200 6 0.10 4

Elara 507 JUP340 06-Feb-1600 09-Dec-2599 200 400 200 10 0.13 4

Pasiphae 508 JUP340 06-Feb-1600 09-Dec-2599 200 400 250 30 0.13 4

Sinope 509 JUP340 06-Feb-1600 09-Dec-2599 250 700 300 40 0.23 4

Lysithea 510 JUP340 06-Feb-1600 09-Dec-2599 300 800 400 15 0.28 4

Carme 511 JUP340 06-Feb-1600 09-Dec-2599 300 900 300 50 0.30 4

Ananke 512 JUP340 06-Feb-1600 09-Dec-2599 350 900 400 60 0.30 4

Leda 513 JUP340 06-Feb-1600 09-Dec-2599 500 1200 400 50 0.40 4

Callirrhoe 517 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Themisto 518 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Magaclite 519 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Taygete 520 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Chaldene 521 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Harpalyke 522 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Kalyke 523 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Iocaste 524 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Erinome 525 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Isonoe 526 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Praxidike 527 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <30.0 4

Autonoe 528 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Thyone 529 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Hermippe 530 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Aitne 531 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Eurydome 532 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Euanthe 533 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Euporie 534 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Orthosie 535 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Sponde 536 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Kale 537 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Pasithee 538 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Hegemone 539 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Mneme 540 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Aoede 541 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Thelxinoe 542 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Arche 543 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Kallichore 544 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Helike 545 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Carpo 546 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Eukelade 547 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Cyllene 548 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Kore 549 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Herse 550 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2010 J 1 551 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2010 J 2 552 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Dia 553 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Jovian Irregular Satellites (continued)

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

S/2003 J 2 55060 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 3 55061 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 4 55062 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 5 55063 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 9 55064 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 10 55065 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 12 55066 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 15 55067 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 16 55068 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 18 55069 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 19 55070 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2003 J 23 55071 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2011 J 1 55074 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

S/2011 J 2 55075 JUP340 06-Feb-1600 09-Dec-2599 tbd tbd tbd tbd <60.0 4

Saturnian Regular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Mimas 601 SAT389 25-Dec-1599 07-Jan-2600 5 50 5 tbd 0.009 5

Enceladus 602 SAT389 25-Dec-1599 07-Jan-2600 5 20 5 tbd 0.004 5

Tethys 603 SAT389 25-Dec-1599 07-Jan-2600 5 50 5 tbd 0.009 5

Dione 604 SAT389 25-Dec-1599 07-Jan-2600 5 20 5 tbd 0.004 5

Rhea 605 SAT389 25-Dec-1599 07-Jan-2600 5 20 5 tbd 0.004 5

Titan 606 SAT389 25-Dec-1599 07-Jan-2600 5 10 5 tbd 0.002 5

Hyperion 607 SAT389 25-Dec-1599 07-Jan-2600 10 100 5 tbd 0.017 5

Iapetus 608 SAT389 25-Dec-1599 07-Jan-2600 5 20 5 tbd 0.004 5

Methone 632 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Pallene 633 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Anthe 649 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Aegaeon 653 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Saturnian Librating Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Helene 612 SAT389 25-Dec-1599 07-Jan-2600 5 20 5 tbd 0.004 5

Telesto 613 SAT393 26-Dec-1949 10-Jan-2050 5 75 5 tbd 0.013 6

Calypso 614 SAT393 26-Dec-1949 10-Jan-2050 5 75 5 tbd 0.013 6

Polydeuces 634 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Saturnian Inner Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Janus 610 SAT393 26-Dec-1949 10-Jan-2050 10 50 5 tbd 0.01 6

Epimetheus 611 SAT393 26-Dec-1949 10-Jan-2050 10 50 5 tbd 0.01 6

Atlas 615 SAT393 26-Dec-1949 10-Jan-2050 10 200 5 tbd 0.04 6

Prometheus 616 SAT393 26-Dec-1949 10-Jan-2050 10 100 5 tbd 0.02 6

Pandora 617 SAT393 26-Dec-1949 10-Jan-2050 10 100 5 tbd 0.02 6

Pan 618 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Daphnis 635 SAT393 26-Dec-1949 10-Jan-2050 tbd tbd tbd tbd tbd 6

Saturnian Irregular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Phoebe 609 SAT389 25-Dec-1599 07-Jan-2600 10 50 10 tbd 0.009 5

Ymir 619 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Paaliaq 620 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Tarvos 621 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Ijiraq 622 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Suttungr 623 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Kiviuq 624 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Mundilfari 625 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Albiorix 626 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Skadi 627 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Erriapus 628 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Siarnaq 629 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Thrymr 630 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Narvi 631 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <5.0 8

Aegir 636 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Bebhionn 637 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Bergelmir 638 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Bestla 639 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Farbauti 640 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Fenrir 641 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Fornjot 642 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Hati 643 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Hyrrokkin 644 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Kari 645 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Loge 646 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Skoll 647 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Surtur 648 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Jarnsaxa 650 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Greip 651 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Tarqeq 652 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

Saturnian Irregular Satellites (continued)

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

S/2004 S 7 65035 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2004 S 12 65040 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2004 S 13 65041 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2004 S 17 65045 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2006 S 01 65048 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2006 S 03 65050 SAT368 20-Dec-1899 02-Jan-2100 tbd tbd tbd tbd <10.0 8

S/2007 S 02 65055 SAT368 20-Dec-1899 07-Jan-2100 tbd tbd tbd tbd <20.0 8

S/2007 S 03 65056 SAT368 20-Dec-1899 07-Jan-2100 tbd tbd tbd tbd <20.0 8

Uranian Regular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Ariel 701 URA111 18-Dec-1899 06-Jan-2100 200 200 200 0.016 0.02 9

Umbriel 702 URA111 18-Dec-1899 06-Jan-2100 200 200 200 0.028 0.02 9

Titania 703 URA111 18-Dec-1899 06-Jan-2100 200 200 200 0.044 0.02 9

Oberon 704 URA111 18-Dec-1899 06-Jan-2100 200 200 200 0.100 0.02 9

Miranda 705 URA111 18-Dec-1899 06-Jan-2100 200 200 200 0.010 0.02 9

Uranian Inner Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Cordelia 706 URA091 01-Jan-1900 01-Jan-2100 50 14500 200 0.15 1.1 11

Ophelia 707 URA091 01-Jan-1900 01-Jan-2100 500 75000 250 0.9 5.7 11

Bianca 708 URA091 01-Jan-1900 01-Jan-2100 30 410 230 0.0060 0.03 11

Cressida 709 URA091 01-Jan-1900 01-Jan-2100 25 220 150 0.0035 0.02 11

Desdemona 710 URA091 01-Jan-1900 01-Jan-2100 25 220 150 0.0035 0.02 11

Juliet 711 URA091 01-Jan-1900 01-Jan-2100 20 185 150 0.0030 0.01 11

Portia 712 URA091 01-Jan-1900 01-Jan-2100 25 175 150 0.0030 0.01 11

Rosalind 713 URA091 01-Jan-1900 01-Jan-2100 25 260 180 0.0050 0.02 11

Belinda 714 URA091 01-Jan-1900 01-Jan-2100 20 220 150 0.0050 0.02 11

Puck 715 URA111 18-Dec-1899 06-Jan-2100 20 200 120 0.0050 0.02 9

Perdita 725 URA091 01-Jan-1900 01-Jan-2100 tbd tbd tbd tbd <10.0 11

Mab 726 URA091 01-Jan-1900 01-Jan-2100 tbd tbd tbd tbd <10.0 11

Cupid 727 URA091 01-Jan-1900 01-Jan-2100 tbd tbd tbd tbd <10.0 11

Uranian Irregular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Caliban 716 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Sycorax 717 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Prospero 718 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Setebos 719 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Stephano 720 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Trinculo 721 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Ferdinand 722 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Francisco 723 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Margaret 724 URA112 30-Dec-1899 25-Dec-2099 tbd tbd tbd tbd <10.0 13

Neptunian Irregular Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Triton 801 NEP081 03-Dec-1599 01-Jan-2600 2 150 50 tbd 0.007 14

Nereid 802 NEP081 03-Dec-1599 01-Jan-2600 1600 3000 60 tbd 0.20 14

Halimede 809 NEP086 25-Jan-1800 29-Nov-2199 tbd tbd tbd tbd <60.0 15

Psamathe 810 NEP086 25-Jan-1800 29-Nov-2199 tbd tbd tbd tbd <90.0 15

Sao 811 NEP086 25-Jan-1800 29-Nov-2199 tbd tbd tbd tbd <90.0 15

Laomedeia 812 NEP086 25-Jan-1800 29-Nov-2199 tbd tbd tbd tbd <60.0 15

Neso 813 NEP086 25-Jan-1800 29-Nov-2199 tbd tbd tbd tbd <90.0 15

Neptunian Inner Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Naiad 803 NEP088 01-Jan-1900 04-Jan-2100 30 85 60 0.0167 0.05 17

Thalassa 804 NEP088 01-Jan-1900 04-Jan-2100 25 70 40 0.0055 0.05 17

Despina 805 NEP088 01-Jan-1900 04-Jan-2100 20 50 30 0.0008 0.05 17

Galatea 806 NEP088 01-Jan-1900 04-Jan-2100 15 35 25 0.0010 0.05 17

Larissa 807 NEP088 01-Jan-1900 04-Jan-2100 15 35 25 0.0010 0.05 17

Proteus 808 NEP081 30-Dec-1799 02-Jan-2200 4 250 50 tbd 0.01 14

S/2004 N 01 814 NEP088 01-Jan-1900 04-Jan-2100 tbd tbd tbd tbd <90.0 17

Pluto's Satellites

Sat. Code Ephem Start Time Stop Time R (km) T (km) N (km) P (s) RA/Dec (arcsec) Ref.

Charon 901 PLU055 28-Dec-1599 04-Jan-2600 60 25 6 1.0 0.01 19

Nix 902 PLU055 28-Dec-1599 04-Jan-2600 110 1625 210 tbd <1.0 19

Hydra 903 PLU055 28-Dec-1599 04-Jan-2600 65 1510 105 tbd <1.0 19

Kerberos 904 PLU055 28-Dec-1599 04-Jan-2600 tbd tbd tbd tbd <90.0 19

Styx 905 PLU055 28-Dec-1599 04-Jan-2600 tbd tbd tbd tbd <90.0 19

Table Column Headings

Code The JPL satellite code number

Ephem The JPL ephemeris identification number

Start Time Ephemeris start time

Stop Time Ephemeris stop time

R Radial position uncertainty (km)

T Downtrack position uncertainty (km)

N Out-of-plane position uncertainty (km)

P Orbital period uncertainty (s)

RA/Dec Geocentric astrometric position uncertainty (arcsec)

REFERENCES

1. Jacobson, R.A. and Lainey, V. (2014) ``Martian satellite Orbits and Ephemerides'', Planet. Space Sci. 102, 35.

2. Lieske, J.H. (1998) ``Galilean satellite ephemerides E5'', Astronomy & Astrophysics Supp. 129, 205.

3. Jacobson, R.A. (2013) JUP310 - JPL satellite ephemeris.

4.Brozovic, M. and Jacobson, R. A. (2016) ``The Orbits of Jupiter's Irregular Satellites'', Astronomical Journal submitted.

5. Jacobson, R.A. (2016) SAT389 - JPL satellite ephemeris.

6. Jacobson, R.A. (2016) SAT393 - JPL satellite ephemeris.

7. Jacobson, R. A., Spitale, J., Porco, C. C., Beurle, K. Cooper, N. J., Evans, M. W., and Murray, C. D. (2008) ``Revised Orbits of Saturn's Small Inner Satellites'', Astronomical Journal 135, 261.

8. Jacobson, R.A. (2014) SAT368 - JPL satellite ephemeris.

9. Jacobson, R. A. (2014) ``The Orbits of the Uranian Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Pole of Uranus'', Astronomical Journal 148, 76.

10. Jacobson, R.A. (1998) ``The orbits of the inner Uranian satellites from Hubble Space Telescope and Voyager 2 observations'', Astronomical Journal 115, 1195.

11. Brozovic, M. (2009) URA091 - JPL satellite ephemeris.

12.Brozovic, M. and Jacobson, R. A. (2009) ``The Orbits of the Outer Uranian Satellites'', Astronomical Journal 137, 3834.

13.Jacobson, R. A. and Brozovic, M. (2014) URA112 - JPL satellite ephemeris.

14. Jacobson, R. A. (2009) ``The Orbits of the Neptunian Satellites and the Orientation of the Pole of Neptune'', Astronomical Journal 137, 4322.

15.Brozovic, M., Jacobson, R. A., and Sheppard, S. S. (2011) ``The Orbits of the Outer Neptunian Satellites'', Astronomical Journal 141, 135.

16. Jacobson, R. A. and Owen, Jr., W. M. (2004) ``The orbits of the inner Neptunian satellites from Voyager, Earthbased, and Hubble Space Telescope observations'', Astronomical Journal 128, 1412.

17. Jacobson, R.A. (2015) NEP088 - JPL satellite ephemeris, an update to NEP050 (Jacobson and Owen 2004, AJ, 128.

18. Brozovic, M. and Jacobson, R. A. (2013) ``The Orbits, Masses of Pluto's Satellites'', Presented at The Pluto System on the Eve of Exploration by New Horizons: Perspectives, Predictions held at APL, Laurel, MD - PLU042 - JPL satellite ephemeris.

19. Jacobson, R. A. and Brozovic, M. and Buie, M. and Porter, S. and Showalter, M. and Spencer, J. and Stern, S. A. and Weaver, H. and Young, L. and Ennico, K. and Olkin, C., (2015) ``The Orbits and Masses of Pluto's Satellites after New Horizons'', Presented at the 47th AAS/Division for Planetary Sciences Meeting held at Gaylord Convention Center, National Harbor, MD - PLU055 - JPL satellite ephemeris.

20. Laskar, J. and Jacobson, R.A. (1987) ``GUST86. An analytical ephemeris of the Uranian satellites'', Astronomy & Astrophysics 188, 212.

21. Jacobson, R.A., Riedel, J.E. and Taylor, A.H. (1991) ``The orbits of Triton and Nereid from spacecraft and Earthbased observations'', Astronomy & Astrophysics 247, 565.

22. Owen, W.M., Vaughan, R.M, and Synnott, S.P. (1991) ``Orbits of the Six New Satellites of Neptune'', Astronomical Journal 101, 1511.

23. Showalter, M.R. (1991) ``Visual detection of 1981S13, Saturn's eighteenth satellite, and its role in the Encke gap'', Nature 351, 709.

24. Jacobson, R.A. (1998) ``The orbit of Phoebe from Earthbased and Voyager observations'', Astronomy & Astrophysics Supp. 128, 7.

25. Jacobson, R.A. (2000) ``The orbits of the outer Jovian satellites'', Astronomical Journal 120, 2679-2686.

26. Jacobson, R.A. (2004) ``The orbits of the major Saturnian satellites and the gravity field of Saturn from spacecraft and Earthbased observations'',Astronomical Journal 128, 492.

27. Jacobson, R. A. and French, R. G. (2004) ``Orbits and Masses of Saturn's Coorbital and F-ring Shepherding Satellites'', Icarus 172, 382.

28. Spitale, J. N., Jacobson, R. A., Porco, C. C., and Owen, Jr., W. M. (2006) ``The Orbits of Saturn's Small Satellites Derived from Combined Historic and Cassini Imaging Observations'', Astronomical Journal 132, 692.

29. Showalter, M. R. and Lissauer, J. J. (2006) ``The Second Ring-Moon System of Uranus: Discovery and Dynamics'', Science 311, 973.

30. Cooper, N. J., Murray, C. D., Evans, M. W., Beurle, K. Jacobson, R. A., and Porco, C. C. (2008) ``Astrometry and Dynamics of Anthe (S/2007 S 4), a New Satellite of Saturn'', Icarus 195, 765.

2019-Oct-23 17:27 UT
(server date/time)

Site Manager:	Ryan S. Park
Webmaster:	Alan B. Chamberlin
Last Updated:	2016-Dec-12