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JPL Small-Body Database Browser
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(2016 JH18)
Classification: Aten [NEO]          SPK-ID: 3753079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594416006868755 0.00068692  
a .896969775201606 7.2618e-05 au
q .6642585009555545 0.0006699 au
i 4.339077734025923 0.013223 deg
node 224.823316132778 0.010576 deg
peri 147.794837555275 0.017215 deg
M 258.3412866538109 0.54387 deg
tp 2459484.120806924729
(2021-Sep-26.62080692)
0.4794 TDB
period 310.2881145611582
0.85
0.037681
0.0001032
d
yr
n 1.160212019429586 0.0001409 deg/d
Q 1.129681049447658 9.1458e-05 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      6 days  
   first obs. used      2016-05-08  
   last obs. used      2016-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .63083  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:16  

Additional Information
 Earth MOID = .0200788 au 
 Jupiter MOID = 4.28974 au 
 T_jup = 6.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457517.5 (2016-May-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .259848197606412 0.00065211  
q .6628984894348945 0.00069427 au
tp 2457623.917062193559
(2016-Aug-23.41706219)
0.084861 TDB
node 225.0164147416625 0.0016857 deg
peri 147.7021079091185 0.0071184 deg
i 4.363383836675306 0.013619 deg
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      6 days  
   first obs. used      2016-05-08  
   last obs. used      2016-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .63083  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:16  

Additional Information
 Jupiter MOID = 4.28974 au 
 T_jup = 6.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.252451681182673E-7 -4.527332081907203E-7 -5.53354660091091E-5 1.097934287593364E-6 -4.578687754403775E-6 8.880615346551301E-6
q -4.527332081907203E-7 4.820051494631363E-7 5.890999957070167E-5 -1.169076266485628E-6 4.871550373596242E-6 -9.454919608719054E-6
tp -5.53354660091091E-5 5.890999957070167E-5 .007201393062133776 -.0001428108515165219 .0005968571870058 -.001155508468635921
node 1.097934287593364E-6 -1.169076266485628E-6 -.0001428108515165219 2.841568660868747E-6 -1.174797202566568E-5 2.293813416277814E-5
peri -4.578687754403775E-6 4.871550373596242E-6 .0005968571870058 -1.174797202566568E-5 5.067156080861095E-5 -9.550579823701734E-5
i 8.880615346551301E-6 -9.454919608719054E-6 -.001155508468635921 2.293813416277814E-5 -9.550579823701734E-5 .0001854726539944131

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.1   n/a MPO378539  

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1937-Feb-07 22:18 05:16 Earth 0.118570329208526 0.104657286001949 0.132815936789674 9.96438473992601 9.96212928060996 2428572.428994748 315.563462977255 768802.867816125 267.806360988677 23.9070979317772 16793.1562362968 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1949-May-20 14:36 5_13:15 Earth 0.125761053368697 0.0246591101201527 0.390784426543932 11.0375136099598 11.0355939128665 2433057.108300241 7995.03650309503 13298287.4278357 155.964493037207 -11.3240409608144 30776.7852538819 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1955-May-07 12:54 2_10:11 Earth 0.492471743803596 0.415779635266299 0.56922127755798 22.4118694578777 22.4116280478565 2435235.037624232 3491.21393099959 3834937.12840713 406.005731491688 -3.9290886376198 11430.6112358826 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1957-Mar-09 15:35 9_16:34 Venus 0.0978994914997311 0.0922500670254313 0.105664209272523 6.29092843285866 6.28740151355903 2435907.149045233 13953.5904668574 793647.846858647 141.040486168072 64.7710161076124 27077.0507774572 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1959-Feb-22 22:11 1_13:07 Earth 0.468774545031219 0.425398894617048 0.512386485293188 21.6208425623261 21.620579669726 2436622.424534920 2227.344625257 2231462.40189606 1090.26994841342 13.5480377530983 12382.9536386694 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1959-Nov-04 08:35 9_19:27 Earth 0.314044949791713 0.298400730452618 0.331224045607499 10.432650009558 10.4318367244255 2436876.857519149 14127.0290255623 1367445.58365078 1075.13901967521 -53.1439190690273 20198.4552655292 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1960-May-18 23:05 5_12:30 Earth 0.0318241235759465 0.0202388953444328 0.10481755182334 6.67278058512096 6.66022150146663 2437073.461688479 7950.24456862834 3905008.09899032 60.168821245982 39.5198254990128 15142.583613093 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1965-Feb-07 22:44 4_22:57 Earth 0.126739736340227 0.0770058524155354 0.306777373805302 10.2773430730973 10.2752972789561 2438799.447216998 7137.28288957811 9788760.96269255 706.714050384631 37.4366588997456 10337.7709765874 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1966-May-14 03:15 6_21:11 Earth 0.319252711368988 0.139787447835609 0.500636859686376 16.994071604528 16.9935804856886 2439259.635373055 9910.8414656787 9081438.55864696 247.360624493701 -6.45969471927111 21544.3426505043 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1974-Dec-25 13:14 8_16:20 Venus 0.140835770580514 0.0917694269863849 0.300920196590986 12.8885902231314 12.8873938388117 2442407.051133469 12499.9886430781 8963857.83668385 490.507968570824 -40.6751076208901 42021.1475048996 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1976-Feb-16 06:52 6_00:48 Earth 0.319390466064425 0.184023603792443 0.460692305592401 16.8025420038596 16.802045500907 2442824.786298752 8687.68558537171 7233279.89010816 1006.3669315775 15.7408947673177 9988.2553178558 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1977-May-20 14:41 2_03:07 Earth 0.117660325825898 0.0238691547507569 0.234723456472267 10.7608198724963 10.7587152247381 2443284.111991279 3067.31250783484 5898580.83159641 69.4974261465901 -11.7213817565718 29603.907570284 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1982-Feb-13 15:50 9_21:24 Earth 0.0914824184493423 0.0779637787486626 0.1244837874919 5.66704461897302 5.66190281928659 2445014.159896969 14243.914576749 2453657.02443518 599.707160369275 -58.448430704281 9858.20457251293 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1982-Aug-23 12:00 5_17:07 Earth 0.316040779927362 0.309264174456954 0.323177351042353 9.48431657193053 9.48342760921996 2445205.000081818 8227.41481543131 635089.947849232 1853.87614693037 56.8873143838302 11329.7208915332 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1983-May-08 02:10 12:46 Earth 0.474900654088088 0.451526289206287 0.498275060475853 21.8637235476155 21.8634669290869 2445462.590114482 765.541612461446 1165607.13215157 343.130592462572 -0.485281754567998 1482.27268007524 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1987-Feb-23 17:16 20:29 Earth 0.494472644320791 0.470369597356846 0.518605608179305 22.4474359360131 22.4471958838255 2446850.219214936 1229.33835255428 1217864.76773099 1205.04640374384 9.05617619974926 8080.41058560795 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1987-Nov-08 04:00 5_17:26 Earth 0.307771008441882 0.300342916786795 0.315711682546446 10.1376953734611 10.1368413619876 2447107.666857122 8245.84703485157 734382.156146397 1181.55481855527 -58.5278349032788 19158.0416764382 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1988-May-15 15:05 6_13:06 Earth 0.0536839456470648 0.0265274748796509 0.0976417950727347 6.10188264481613 6.09374321782696 2447297.128235883 9425.76197418067 2359399.60110029 123.303172112912 29.6368907399453 13868.4896580483 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1993-Feb-08 02:35 1_17:14 Earth 0.135404667294851 0.0896909803291275 0.192071740378132 10.5779037516351 10.5760433046241 2449026.607705896 2474.45070480797 3206100.46215245 744.490495627182 34.0807703225467 9772.25940519389 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1993-Sep-16 12:10 9_10:48 Earth 0.337285867191669 0.332325850333277 0.343617934182092 11.0871276291858 11.0864150893954 2449247.007006071 13607.9134426903 1109645.61131584 2025.02702202547 75.2767324363684 13802.9579698214 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1994-May-14 04:30 2_18:54 Earth 0.312530234669718 0.242690830950796 0.382643036053138 16.7592006220408 16.7586919081338 2449486.687347774 4014.18391130005 3519745.72276481 251.019852910846 -7.34901799504939 23945.2137728166 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
1995-Jul-07 09:07 5_01:26 Venus 0.0966630239078427 0.0177945378849067 0.179378301123795 12.8592359968001 12.857488876115 2449905.879748426 7286.36459866504 4143009.05582947 607.431779142894 7.39314737241397 2540.9260885712 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2004-Feb-16 01:52 1_22:01 Earth 0.320249624534796 0.276031472080402 0.36489699474186 16.8249303551768 16.8244358431769 2453051.577933436 2761.12469780575 2291543.93302505 1053.59525884219 14.6460237699593 8862.40834115159 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2004-Oct-13 04:46 6_06:38 Earth 0.334279779653019 0.332653677084328 0.33656114942694 11.3579495135998 11.3572477097708 2453291.698376529 9038.43105025953 744802.160386755 2016.13204145779 -82.4788770958274 14385.4172263871 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2005-May-20 08:39 1_00:21 Earth 0.117952182243897 0.0731800337254651 0.163764224655553 10.7518318672709 10.74973067231 2453510.860686152 1460.68699657293 2325230.13257058 83.4446076853505 -12.7156899882343 44117.139987016 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2010-Feb-15 04:35 4_22:15 Earth 0.0948904345618072 0.08678282926202 0.105856742251379 5.58673491676911 5.58170654540252 2455242.690695804 7095.00714102441 952049.194307202 916.710424531525 -59.5035819410415 7281.50624352969 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2010-Aug-21 23:59 3_15:26 Earth 0.314038233655341 0.307120952073508 0.32110095667118 9.37616857856347 9.37526362690047 2455430.499578184 5246.00836275051 484868.196036058 1728.43308902377 44.0469611079555 10180.2786514501 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2011-May-07 12:46 20:44 Earth 0.483686132715356 0.462394391660145 0.50499147490888 22.1192318101678 22.1189827632763 2455689.032200710 1243.90827186141 1069745.86238633 296.223010972673 -6.86691887713948 29070.5207401792 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2013-Apr-20 16:42 3_03:37 Venus 0.0570916463045545 0.049759980443309 0.0650618239281624 7.17776683551395 7.17246571795217 2456403.195508062 4536.90509579799 486344.166231436 2833.27469611183 -37.9039566312207 1695.47513524678 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2015-Feb-22 18:21 00:50 Earth 0.47736437012506 0.476879289684258 0.47785051108377 21.8943944880116 21.8941395515547 2457076.264676272 49.6968237678921 43584.4516396601 4925.87524002849 56.803421886995 9733.44252555337 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2015-Nov-04 18:03 05:01 Earth 0.312238392798036 0.309959012062439 0.314518300330424 10.3449455473356 10.3441206210142 2457331.252173602 300.882978043055 115462.138035281 1589.88291728585 -10.1611436457634 2996.00990485134 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2016-May-17 23:03 < 00:01 Earth 0.0348290963039432 0.0345471077192042 0.0351110685133179 6.54016666602224 6.52845900261902 2457526.460183885 0.800941547521675 14010.6113065435 90.2114138514264 0.10116975031034 212.116115993266 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2020-Feb-12 08:50 1_11:07 Venus 0.0685379107028086 0.0420107297432675 0.0955635663060808 11.5733047326282 11.5705667412824 2458891.868072476 2107.31224424483 1366736.39974815 372.365072863085 11.3661360582561 4481.87159337239 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2021-Feb-07 12:11 15:38 Earth 0.127488564734096 0.10757796488164 0.14964963535075 10.2904022536443 10.2883710585571 2459253.007551733 938.468859357829 1347982.67192926 549.356496376871 38.2879058571254 13277.350826778 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2021-Sep-15 17:05 3_05:25 Earth 0.336325815206494 0.33583258665929 0.336979521759978 11.058735183036 11.0580187744826 2459473.211704417 4644.63180083335 368371.700708986 1898.43184254534 -85.5555815521193 15029.8018666789 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2022-May-14 03:45 18:43 Earth 0.311975060929949 0.290458510312911 0.33350447485918 16.7423846809924 16.7418745499185 2459713.656249918 1123.42549733576 1077903.10610136 125.042097969 -5.32863945583734 23554.7033575507 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2026-Dec-14 00:04 8_18:05 Earth 0.236248273453917 0.216482572931949 0.256947667683263 6.32353558789537 6.3217517926356 2461388.502785001 12605.4638867308 1251840.46634729 612.648815400884 -36.2328817083371 18000.7176417661 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2027-Mar-29 19:42 8_04:57 Earth 0.138520502925799 0.137861434511418 0.13960749456741 5.92043070809849 5.91718085142531 2461494.320889587 11817.3619264603 387343.028417153 2301.43817188871 -83.5685123684174 6132.24567559673 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2027-Jul-23 00:01 7_23:45 Earth 0.260023668126486 0.245680276547293 0.274621927182816 6.09994561763429 6.09826552462202 2461609.500984906 11504.749656586 828001.148485487 989.568983795179 29.4667695994167 9124.94524336519 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2032-Feb-17 17:35 1_19:53 Earth 0.364742353941413 0.321830422718178 0.408014670318537 18.2760564299583 18.275656716824 2463280.232501492 2633.04253948433 2223604.67561093 1057.97691639866 14.7999210291764 10385.5293351584 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2032-Oct-19 10:50 5_17:45 Earth 0.328893860923744 0.322222861212667 0.336109517261 11.1692566348904 11.1685312868835 2463524.951179024 8265.05033631204 752025.885074925 1854.9385005507 -62.5676915569885 13642.0037756504 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2033-May-20 23:56 06:20 Earth 0.0712670523303539 0.0369497204410283 0.108220369546603 9.32210966311003 9.31809819997781 2463738.497520802 379.664385018618 1905066.48330158 220.693222994414 -18.2290555623424 8663.5319522558 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2037-Dec-10 08:08 4_10:56 Venus 0.00914802003485655 0.00834589054168783 0.0462469779194318 8.88140068432909 8.85463272053938 2465402.838555326 6415.91825100295 2084561.06078658 1060.59969935037 66.2032878690136 1102.55164887736 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2038-Feb-07 03:26 1_08:30 Earth 0.073433561389017 0.0734097553496509 0.0802162082276062 7.02533358418402 7.02016691634794 2465461.643006319 1950.14695621065 1557948.21333935 796.862246504621 89.1932907542627 8188.71477686822 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2039-May-11 13:20 9_18:47 Earth 0.395412092170673 0.255113349818895 0.538473149947282 19.4025219604491 19.4021746577858 2465920.055322400 14087.2757554518 7255002.67742891 670.116842610806 -12.2608167755006 18052.3873978854 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2072-Feb-10 04:43 7_14:47 Earth 0.0778643947090473 0.0626376163495993 0.156947726543393 6.28731388824664 6.28186890687457 2477882.696253387 10967.4480810927 4871327.06417872 717.862522373266 -53.55944630915 7629.69176104632 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2072-Aug-27 14:41 1_05:54 Earth 0.32224421698549 0.312412256428451 0.333550214154466 9.94346437612391 9.94263278917812 2478082.112135523 1794.48896523393 1208459.12615615 2180.46158025386 64.0881247203278 10352.8628547893 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2073-May-08 21:33 6_16:51 Earth 0.44411149424403 0.39297058959239 0.497269062837796 20.9148249728282 20.9145381134273 2478336.397589461 9651.0018526505 2998680.217462 2979.66854304902 -29.638970067281 10146.8849382523 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
2073-Aug-23 01:51 6_22:43 Venus 0.0929214453591788 0.0139878309435628 0.230391304537972 12.6982414487303 12.6964009272786 2478442.577305133 10002.8985674301 6886551.5003882 724.622676390547 8.67728076544054 2405.54325565425 T 9 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:17 2021-Apr-15 17:06
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