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JPL Small-Body Database Browser
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438908 (2009 XO)
Classification: Apollo [NEO, PHA]          SPK-ID: 2438908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5423186824764284 1.0728e-08  
a 1.8593602247079 3.9637e-09 au
q .8509944373952357 1.8976e-08 au
i .3508002375507014 1.8701e-06 deg
node 27.72774098792343 0.00017753 deg
peri 140.7102412433502 0.00017737 deg
M 25.34781745038543 9.6565e-07 deg
tp 2458935.294864556191
(2020-Mar-26.79486456)
2.4202e-06 TDB
period 926.0698206351635
2.54
2.9612e-06
8.107e-09
d
yr
n .3887395874245063 1.243e-09 deg/d
Q 2.867726012020564 6.1133e-09 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      3824 days (10.47 yr)  
   first obs. used      2009-12-09  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-30 06:50:14  

Additional Information
 Earth MOID = .00183729 au 
 Jupiter MOID = 2.10679 au 
 T_jup = 3.803 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.5   n/a MPO346169  

438908 (2009 XO)          Discovered 2009-Dec-09 by OAM at La Sagra
Reference: Last Updated: 2015-07-06

[ 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
1904-Jan-03 23:05 < 00:01 Venus 0.138595200192946 0.138594994959421 0.13859540542725 5.12480749842987 5.12174924971769 2416483.461509227 0.0263644106973503 20.2338961694372 3.48620305985978 61.1596339625692 4390418.98627649 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1906-Apr-02 17:26 < 00:01 Mars 0.0563555302292528 0.0563553806496699 0.0563556798088357 16.9780225874122 16.9777233703418 2417303.226386271 0.0147153573501186 7.45913290015273 2.73714740894114 0.465571687100077 1126849.21809904 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1909-Apr-28 13:28 < 00:01 Mars 0.0552703077801915 0.0552700463241909 0.0552705692363021 16.935247782785 16.9349419199777 2418425.061246078 0.0173919834073738 13.6777363048444 4.4372254161652 -18.638827806956 821658.976807457 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1913-Dec-30 11:13 < 00:01 Earth 0.203659463948694 0.203658129445637 0.203660798451752 18.3480895837745 18.3473765249686 2420131.967026699 0.0972471350637274 66.5869526610396 4.54051871885571 -2.04847300011911 474083.810898976 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1919-Feb-02 06:14 < 00:01 Earth 0.0943870408670654 0.0943856159372652 0.0943884657977561 9.86196894223345 9.85910608694203 2421991.759654319 0.649226947653921 72.5219954918671 4.59253853478373 11.5513876277949 673097.857503817 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1924-Apr-14 11:17 < 00:01 Earth 0.0996777091442698 0.0996762528417466 0.0996791654473199 9.83988314718044 9.83716618039116 2423889.970413752 0.763312653995413 73.5123346467146 2.55751130706101 -8.92311036835565 978227.540301281 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1929-May-19 04:41 < 00:01 Earth 0.180643813775071 0.180641552842058 0.180646074708095 17.5211903420184 17.5203484893571 2425750.695283829 0.211918154025899 112.755254698396 1.98650792811972 0.936017384311403 297349.303161703 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1951-Dec-30 06:27 < 00:01 Venus 0.143422904672457 0.143422670338292 0.143423139007283 5.34143447877991 5.3385991213899 2434010.768410901 0.0292451280356949 19.9724565686143 3.70117202262661 55.6837928954552 2906030.93616964 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1961-Dec-26 07:21 < 00:01 Earth 0.283586187141465 0.283586118619073 0.283586255663857 20.8370847730875 20.8366338577334 2437659.805970794 0.0182305014167498 4.90699594541976 3.10143761038253 67.8449022900492 12845056.1117866 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1967-Jan-22 17:47 < 00:01 Earth 0.046730372017303 0.0467301299842824 0.0467306140503395 10.7760821033175 10.7707896274345 2439513.240661590 0.0874600712825927 12.1559673935096 4.68264928399728 7.35324094260301 647195.336849812 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1972-Apr-14 11:57 < 00:01 Earth 0.0989261279786177 0.0989257797931201 0.0989264761641377 9.78165235476704 9.77889844147762 2441421.997710514 0.160713684483317 17.5133961589378 2.55468256160188 -7.59441144184281 1164759.65044288 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1977-May-21 16:38 < 00:01 Earth 0.214322528060447 0.214322006476474 0.214323049644419 18.5149170367559 18.5142455605339 2443285.193108566 0.0434780149849597 26.0102662741122 1.95305659590575 0.628235060631682 1152062.008543 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
1994-Sep-03 17:57 < 00:01 Mars 0.0857296483143036 0.0857294968083843 0.0857297998202279 14.7068435943174 14.7066165247024 2449599.248177662 0.0245512615639834 7.58366799054111 2.86299262755289 -5.38188571071724 1752200.11587564 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2004-Dec-19 10:55 < 00:01 Earth 0.425341499944513 0.425341362601534 0.425341637287492 25.0432293198162 25.0429791779204 2453358.954769954 0.0227339862252749 6.85502690985354 5.02019187353448 3.62614273722926 8548821.11019212 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2010-Jan-08 15:21 < 00:01 Earth 0.0802743221062921 0.0802741724505994 0.0802744717619849 14.6305345540433 14.6282656862424 2455205.139412400 0.0199801676675813 7.47026274396477 4.66775504416566 -3.36763981310099 1532361.39091476 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2015-Mar-05 00:23 < 00:01 Earth 0.141546288913686 0.141546228646425 0.141546349180948 10.1151702939969 10.1133091472114 2457086.515725002 0.0233281184669816 4.39569057804855 2.99296223619972 85.2467134067132 5757611.86565681 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2020-May-07 12:19 < 00:01 Earth 0.0226849003227703 0.0226848416508336 0.022684958994707 12.7810585014732 12.7718653402506 2458977.012860659 0.0114030978426298 2.92571755391783 1.87808053135142 0.599165038842404 1144783.96237984 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2025-Jun-04 06:17 < 00:01 Earth 0.442807156647308 0.442806923041932 0.442807390252684 25.2606242794905 25.2603860718464 2460830.761883331 0.0287272419495294 11.6642050298851 2.14992965862714 -2.99380722654659 5378916.53510747 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2048-Jan-04 17:38 < 00:01 Earth 0.161256839490958 0.16125509346711 0.161258585514843 17.0128036295187 17.0118323802142 2469080.234692719 0.156319475771843 87.160017890085 4.79460088078599 -2.68885586867041 334120.792948066 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2053-Mar-14 22:37 < 00:01 Earth 0.142791385948141 0.142791321101022 0.14279145079526 10.1192422633487 10.1173980891992 2470976.442338306 0.599281322281569 4.00977468301028 3.23210044452608 88.1556323956572 5045271.30719029 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2058-May-20 13:04 < 00:01 Earth 0.168403254721825 0.168401460352732 0.168405049090929 17.2281179738851 17.2271995659765 2472869.044763780 0.17785830719893 89.4893480772368 1.82851524976529 1.02269592733039 340924.92504171 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2060-Jul-03 18:42 < 00:01 Mars 0.0770126760196788 0.0770111813158264 0.0770141707238246 14.841108114125 14.8408576293645 2473644.279172258 0.110546129183409 74.9128874923723 2.97052423403174 -5.7615200215214 420690.667031495 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2080-Dec-18 15:22 < 00:01 Earth 0.460023053141792 0.460022074364908 0.460024031918676 26.1207115786597 26.1204898358223 2481117.140297427 0.0704748608469837 48.8092856848711 5.20197161031047 0.529737843584264 1312067.20523581 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2086-Jan-15 22:02 < 00:01 Earth 0.0167417299426474 0.0167410697369096 0.0167423901518891 12.5682017192218 12.555532267122 2482971.417745065 0.104189892034868 35.1162002545496 4.85550253709473 -20.581453440094 188716.275901403 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2091-Mar-14 12:40 00:02 Earth 0.142786876953838 0.142786732171769 0.142787021735915 10.1024162337352 10.1005689291306 2484855.027780867 1.54978336070362 7.5473915138831 3.78262827512694 -19.7393029965754 2374840.35709462 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2096-May-07 14:13 00:01 Earth 0.0103375251734114 0.0103284050059824 0.0103466456181342 12.4524486963558 12.4317328628979 2486736.092385366 1.4646410083683 462.575813673867 1.74579290926628 10.5504544065592 155811.680296502 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2096-May-07 20:36 00:01 Moon 0.00970695294639251 0.0096973343395064 0.00971657198526711 12.2482454783439 12.2479698227233 2486736.358650661 1.33016709426045 490.401195345641 1.73916753578975 12.0190244122972 172648.213950048 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2106-May-31 03:41 00:15 Venus 0.136692197623293 0.136666235933345 0.136718539249639 4.97363324805555 4.97043810002445 2490410.653809597 15.4711717493459 11442.2445528322 2.7371234221082 83.4651945720685 9733281.46774159 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2119-Jan-04 00:51 01:30 Earth 0.207886428301597 0.206832857000197 0.208940003061401 18.4376491878737 18.4369540213359 2495011.535345271 90.0168286633782 52554.4393972832 4.98356891419605 -1.51483410755553 149612.375408505 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2124-Mar-26 14:24 06:42 Earth 0.137209877884246 0.136957327524528 0.137462433421726 10.0211826484326 10.0192446652813 2496920.099868236 401.903491905513 12663.7509451462 3.35942644270814 -6.07395307520385 569417.907339312 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2129-May-29 23:19 01:42 Earth 0.293338478286456 0.29209086904383 0.294586087360438 20.9152322804849 20.9147979851754 2498810.471570407 101.83068165879 62212.2358373517 1.88683277818301 -0.0856013426025359 28014.4474483905 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2146-Dec-21 11:26 01:26 Earth 0.459885469192775 0.458697818827854 0.461073120850705 26.1293601781996 26.1291384424408 2505224.976623415 86.3753757499675 59235.8363868454 5.35387286016979 1.20093646872697 247890.313619416 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2152-Jan-24 22:50 03:54 Earth 0.0374294784086106 0.0364182348912632 0.0384414739326643 11.0997311329798 11.0933159116637 2507085.451163280 233.993214942198 51134.8057692513 4.97717326346846 9.37800203095025 190492.707104281 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2157-May-15 16:46 01:04 Earth 0.0754326975766926 0.0748443513282573 0.0760210478281768 14.3991998176353 14.3967465136859 2509023.198835947 63.6801397886581 29351.3441070066 1.73309187531922 1.79311746848153 187708.344558357 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2162-Jan-24 18:29 01:58 Mars 0.0267636034163101 0.025247341914001 0.02829320285076 16.481003500106 16.4803544376315 2510738.270468756 117.828024945546 81578.4326465011 3.45435400014333 21.3863956903729 420785.960006066 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2174-Dec-23 23:43 05:27 Earth 0.421610313861441 0.417094158481703 0.42612647431665 24.908764365165 24.9085106472359 2515454.488018156 326.744059827346 225214.349730579 5.31367491271417 0.642323220090273 121329.237308438 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2180-Feb-25 05:21 1_06:36 Earth 0.131183204656918 0.12941892333128 0.132947992797617 9.95927825350814 9.95723862662419 2517343.722757253 1835.69203711042 88924.8866545232 4.5538320618512 8.34288784323644 566088.964154436 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
2185-May-26 19:11 08:05 Earth 0.229068783888167 0.223379901953182 0.234757668611232 19.006508280876 19.0058962813307 2519261.299609838 485.376582704936 283684.409943883 1.83299658637198 0.464181747143734 134746.084079748 T 84 CATAB v2.0f-lin.ifort 2020-May-30 06:50:38 2020-May-30 06:50
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