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JPL Small-Body Database Browser
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(2002 AC9)
Classification: Apollo [NEO, PHA]          SPK-ID: 3102752
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5604421680302401 1.9153e-07  
a 1.70418966077363 3.8414e-08 au
q .7490899125549375 3.4264e-07 au
i 2.277806468557784 3.1905e-05 deg
node 2.505215670212562 0.0011888 deg
peri 28.55906497007886 0.0011758 deg
M 307.793273298985 5.8206e-05 deg
tp 2458718.341776127677
(2019-Aug-22.84177613)
0.00013523 TDB
period 812.5971898011899
2.22
2.7475e-05
7.522e-08
d
yr
n .4430239293444734 1.4979e-08 deg/d
Q 2.659289408992323 5.9943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      3132 days (8.57 yr)  
   first obs. used      2002-01-09  
   last obs. used      2010-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60911  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:15:34  

Additional Information
 Earth MOID = .0288016 au 
 Jupiter MOID = 2.78931 au 
 T_jup = 4.000 
[ show covariance matrix ]

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 21.0   n/a MPO181631  

[ 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
1901-Dec-26 15:40 00:01 Earth 0.0719911792661494 0.0719836538194843 0.0719987052353466 12.979176525562 12.9763246298121 2415745.152603914 1.10394042947719 486.588153916719 59.0383085453686 39.8813016454963 123187.534124436 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1910-Aug-27 09:10 00:06 Earth 0.144823552130687 0.144805670901611 0.144841433718756 11.2302435842909 11.228605200412 2418910.881689055 6.17075239697246 961.597251999161 42.0575306596762 -21.985337014635 276506.252337859 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1912-Dec-11 15:10 00:04 Venus 0.104110865208922 0.104086177370961 0.104135554278777 12.4079229736438 12.4062418361925 2419748.132174285 4.05718214648493 1355.09325675254 88.9693661658605 -24.7702057315698 64294.812316552 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1921-Dec-28 13:13 00:04 Earth 0.0593933064968083 0.0593691844537219 0.0594174375400631 13.4536453377479 13.4503103924932 2423052.050558294 4.20931099767825 1667.33868183809 57.4332128454984 43.843368167426 110393.085856558 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1924-Feb-18 01:44 00:04 Venus 0.118798809985849 0.118764951916012 0.118832669972221 13.3739021756305 13.3725353254744 2423833.572039556 3.84189732528042 1848.96919434131 93.2555527573191 -24.0956820821539 69202.7497825544 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1930-Aug-26 17:08 00:06 Earth 0.139567332612192 0.139547610303411 0.139587055352135 11.2467500905848 11.2450524947107 2426215.213724435 6.42786319891537 1056.95873962692 41.6849600746556 -21.4857544168528 257792.024084745 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1941-Dec-29 21:45 00:01 Earth 0.0507084394529833 0.0507009795803787 0.050715901512343 13.8323297334641 13.8285304961251 2430358.405993986 1.35657391019582 647.979924155365 52.7110425826687 55.2273422555305 119899.830694936 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1950-Aug-25 01:34 00:01 Earth 0.131536191752017 0.131532169676009 0.13154021387056 11.3968469880767 11.3950694609211 2433518.565051837 1.17397447318306 232.725811553968 7.39183539906815 -30.4839880698051 1293646.38852092 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1952-Dec-14 23:02 00:01 Venus 0.062139066663634 0.0621374143132133 0.0621407191298154 9.39177675117145 9.38805504127396 2434361.460012275 1.18311161919584 198.706726000154 55.4457454193262 -71.3804849680104 168123.236514756 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1961-Dec-19 23:13 00:02 Earth 0.119858750580316 0.119850888282348 0.119866613003488 11.5739089737263 11.5719881010072 2437653.467549019 2.32512771879135 438.636605772761 73.6760034291926 27.0402250695478 150777.983524733 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1964-Feb-12 18:06 00:02 Venus 0.108754682952344 0.108742755647494 0.108766610513512 12.8054518017887 12.8038924197882 2438438.254186214 1.92364093222108 651.958373417834 98.8200427356934 -24.4897157018921 64300.0209520844 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1968-Nov-10 00:38 < 00:01 Mars 0.0789831943861345 0.0789758644342801 0.0789905243380563 14.3608408362341 14.360588432695 2440170.526090517 0.873058114570512 365.534012172159 71.1509288966583 -0.612734220389116 32045.0552017238 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1970-Aug-12 11:53 00:02 Earth 0.0456059923488032 0.045595077094921 0.0456169098157995 13.8124485546223 13.8082181073571 2440810.995208574 1.89652734278328 740.3277629304 28.8947035749815 -42.703855591284 163129.233780067 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1981-Dec-13 08:42 00:04 Earth 0.151758581968521 0.151749433817476 0.15176773021519 11.0890684350465 11.0874850190033 2444951.862727012 3.8729016871214 495.48591729493 85.5405542619906 23.3195453519125 167089.784647692 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1990-Aug-12 23:38 00:02 Earth 0.0465131594993814 0.0465031777452053 0.0465231428014785 13.7517342335346 13.7475679882266 2448116.484567374 1.68215226699489 654.067494499417 35.6669294552753 -40.5095245587921 131370.221712623 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1992-Dec-08 11:08 00:03 Venus 0.0694360498258135 0.0694278869489023 0.0694442131746378 9.98187227763563 9.97873870255737 2448964.963943060 2.64990118140483 502.500007843618 100.551627116106 -36.774023896742 57602.8380251402 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
1993-Apr-22 10:10 < 00:01 Mars 0.0572782253627921 0.0572740675832408 0.0572823831488162 14.0271278644728 14.0267715336478 2449099.923727302 0.80402856907718 210.451598439918 112.157228884549 11.6986766792844 42397.8692229474 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2001-Dec-13 11:28 00:01 Earth 0.150945028560541 0.15094255238206 0.150947504739039 11.0474417149097 11.0458437647329 2452256.977996916 1.33670334327278 123.506938770669 77.1478558150346 0.152997492852961 311883.577947509 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2010-Aug-12 17:01 < 00:01 Earth 0.0436581440395095 0.0436571093763875 0.0436591787026563 13.8506471987683 13.8462401676394 2455421.208780965 0.22543549267434 51.6273760748294 24.551069420238 -2.18928384418922 132511.038463946 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2017-Oct-03 10:29 < 00:01 Mars 0.0438175112385077 0.0438096135229709 0.0438254092646494 13.8262586311405 13.8257860664968 2458029.936588508 0.286183107189237 438.432171833007 116.94712976348 27.1259766061872 28662.5981449116 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2021-Dec-22 09:09 00:02 Earth 0.108362765319481 0.108352977331911 0.108372553539192 11.8455614426959 11.8434855032343 2459570.881427411 1.86894658631145 549.580738587662 68.0961598942782 27.5809127363508 128128.777163954 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2030-Aug-21 08:44 00:02 Earth 0.106841536489105 0.106833063259054 0.106850009799528 11.9314861837374 11.9293958495003 2462734.863618793 2.03232134272485 447.344252393681 43.6905404590249 -19.2500067180123 150357.095024567 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2033-Jan-04 23:53 00:02 Venus 0.0907464453435418 0.0907354643696753 0.0907574267501361 11.5920009402201 11.5899364178588 2463602.495292005 1.6204430512429 633.119057276536 99.3154818436027 -30.5571166723536 64146.1888964528 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2042-Jan-02 07:13 < 00:01 Earth 0.0385142038653485 0.0385130967210028 0.0385153110267946 14.7395252475511 14.7348308798846 2466886.800645716 0.584472650665987 409.783684309012 54.9341718954681 -89.2260041757447 104651.019635049 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2050-Sep-23 06:16 00:08 Earth 0.216541642554811 0.2165356560653 0.216547629485512 11.9386136300632 11.9375829217467 2470072.761192091 7.70172619919024 575.310564002591 39.74578623531 -58.9601012287061 1529330.98567336 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2050-Sep-28 21:18 00:02 Venus 0.136021854033925 0.13600382318351 0.136039885163602 14.1980995019129 14.1969750335575 2470078.387210604 2.16311408445939 950.783726960459 95.805826439426 -19.0845212663829 63550.335276694 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2059-Jul-21 05:00 00:02 Earth 0.34139268800624 0.341369312187014 0.341416063849162 24.7677463715456 24.767431252674 2473295.708105567 1.51423387428328 1174.26936977954 42.2761635126702 6.95268217686064 142490.107557656 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2062-Jan-13 07:12 00:02 Earth 0.175570039824135 0.175540871731935 0.175599208156653 19.9646744179529 19.963914252751 2474202.800061516 1.89788059276956 1490.17649243525 51.2285488114959 -12.575055147633 106470.51423961 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2070-Oct-24 12:20 00:11 Earth 0.246842809440151 0.246841275104942 0.246844344631514 13.1392446132482 13.138423061251 2477409.013787929 11.3123715499625 775.388751372569 26.2083599055738 84.676160461956 1231317.60537718 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2079-Aug-01 14:45 00:02 Earth 0.140382908193674 0.140364556393906 0.140401260114568 18.8212413759468 18.8202329094088 2480612.114803523 1.58293619934121 937.99590369872 40.1322494638029 12.6942839702285 110923.106509761 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2079-Sep-16 19:21 00:08 Venus 0.053023571063565 0.0530209738882598 0.053026168240097 8.14300179046614 8.13797084486463 2480658.306540478 7.60471533525196 130.825973112244 91.5870179321294 -11.7728992047011 48615.2869252881 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2082-Jan-24 01:53 00:01 Earth 0.376759038433424 0.376731862208886 0.376786214687003 26.1244738129117 26.1242031034875 2481518.578801145 1.31846994172723 1365.1832933282 50.7824711439097 -6.95307268581233 131677.05220995 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2090-Nov-21 03:21 00:19 Earth 0.215887911263121 0.21587023181268 0.21590559265954 11.9749680364974 11.9739373457918 2484741.639754445 18.8965512276124 1352.91897273571 78.4530005623247 49.4370906641424 485375.273077322 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2099-Aug-09 03:58 00:06 Earth 0.0364217137413391 0.0363869036335057 0.0364565679706265 15.5226978460988 15.5179842678673 2487924.665391414 5.73635379749551 2648.81972609152 40.144664429381 49.0348960634097 101441.0968946 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2102-Jan-30 12:36 00:03 Earth 0.480828689536047 0.480768977972568 0.480888401200272 29.3012147470992 29.3010256269681 2488829.025043409 2.89386778024103 2997.74218437442 50.394632016485 -6.65364469032652 156844.028394692 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2108-Aug-05 05:41 00:14 Venus 0.0767994425039105 0.0767531985616508 0.0768457008417312 10.4394652276827 10.4367563526149 2491207.737085647 14.0345577807478 2841.53397589806 100.060760108465 -35.7836876274074 58855.2829036592 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2110-Nov-24 16:42 00:28 Earth 0.211321038916385 0.211292137851354 0.211349944241644 11.8450405177066 11.843976000748 2492049.195491658 28.4660568857249 2079.24052481893 81.0437335728617 46.1535659259602 446229.48276335 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2119-Aug-03 01:22 00:05 Earth 0.138455279695745 0.13839867961206 0.138511880844773 18.7941110534189 18.7930870701091 2495222.557210270 4.77448326372891 2886.70576072758 41.4214014061605 12.119824353971 99900.6913011058 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2119-Oct-02 09:50 00:12 Venus 0.072442450154647 0.0723989835578296 0.0724859387054989 10.4004569501771 10.3975743554819 2495282.909546228 12.3106814732252 2943.54377664106 98.5078207697025 -42.6037887143464 66293.4152578967 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2122-Jan-24 09:21 00:03 Earth 0.353043298678029 0.352989252098217 0.353097345390813 25.3878329666729 25.3875356896831 2496127.889520090 2.94610580683579 2716.66370265161 48.3754469087147 -7.23147158597842 129860.862253984 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2130-Nov-01 16:38 00:09 Earth 0.244785993993731 0.24478315121961 0.244788837309083 13.0313828419444 13.0305475290081 2499331.192945360 8.80985719133035 612.673177083826 38.209019575007 77.0978249265561 1066406.53048821 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2139-Jul-29 08:30 00:01 Earth 0.225350873047275 0.225333188159907 0.225368557962632 21.3429870212655 21.3424330291958 2502522.854350258 1.26786980474343 890.74349065048 44.2121694351089 8.10817470909847 107578.020677014 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2142-Jan-20 06:39 00:02 Earth 0.266360101835989 0.26633679694211 0.266383406807192 22.7600460001276 22.7596064845803 2503428.777183627 1.77080289642417 1183.98362543172 44.0267729645304 -11.0392199719221 164410.524253831 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2150-Oct-19 05:42 00:26 Earth 0.245747472390475 0.245743089023598 0.245751860119143 13.0413107815554 13.040479370306 2506622.737220731 26.0322824702325 1650.24755022705 13.3144178863455 -82.3977004094995 1767994.68244695 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2159-Jul-24 01:30 00:05 Earth 0.324428502888276 0.324350179172689 0.324506826842683 24.2898406688096 24.2895025481473 2509822.562256770 4.99162573003744 3930.2822898079 46.2298839616754 6.41843759705949 110656.382535005 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2159-Sep-02 08:01 00:23 Venus 0.0600975467007637 0.0600630357115499 0.0601320787024362 9.07676847139485 9.07278670100854 2509862.834322919 23.4847391301925 2473.00517756513 101.216071402703 -45.9562653136798 56457.5293080167 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2162-Jan-14 08:22 00:07 Earth 0.153405320282372 0.153314581977488 0.15349606257004 19.2714125487199 19.2705112504399 2510727.848891082 7.38926576549158 4689.75220609128 45.0228032372053 -15.2444762642745 126349.59542544 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2164-Jun-20 20:03 00:06 Mars 0.0550181167510519 0.0549531335975787 0.0550831185108161 13.9418571866435 13.9414839488187 2511616.335590690 6.17287039286495 3612.89158679942 126.8974099494 26.2460499776435 28542.4094433702 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2170-Sep-21 07:14 00:55 Earth 0.207908521147615 0.207848339256934 0.207968722525142 11.6723576265746 11.6712596276638 2513899.801059874 55.3394792560494 4368.92839688795 52.0949141869392 -46.6003110453825 906996.734281432 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2170-Oct-27 05:32 00:23 Venus 0.0881086078927077 0.0879942377242257 0.0882230519763278 11.4958617806729 11.4937176582667 2513935.730344975 22.7079252644653 6982.05369510332 95.7567768449869 -35.2193240046672 69982.7361563208 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2179-Jul-18 04:18 00:06 Earth 0.447368815132686 0.44725924470248 0.447478385850479 27.8824290351848 27.8822154270896 2517121.678828059 6.17221023768478 5493.04014621504 49.9849404338496 5.91456890764485 129977.519801313 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2182-Jan-07 09:56 00:11 Earth 0.0499865358090733 0.0499154851919041 0.0500577121142106 15.794523487033 15.7911482895055 2518025.913816531 10.8216794897737 5310.73765524765 47.5291019068096 -48.1134848056112 114205.335668305 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2188-Nov-28 13:34 00:05 Mars 0.0358680683782543 0.035829696376763 0.0359064751266591 12.8676475562871 12.8670272452496 2520543.065319827 4.54515002668345 2603.53787440128 130.854174196407 -42.7358335538165 27939.3696446554 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2190-Sep-22 13:57 00:28 Earth 0.210290805448076 0.210261122548286 0.210320493063329 11.7358168034957 11.7347371143666 2521206.081268013 27.8196432613531 2158.81261923419 53.5653310241621 -46.719071364966 879727.789442154 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2199-Jul-20 23:51 00:01 Earth 0.397020151044575 0.397000697409452 0.397039604691996 26.4083775641839 26.4081234317033 2524429.493716304 1.0588240284579 976.334831821245 50.7650084938438 6.50485727031664 136936.530813352 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
2199-Aug-31 07:00 00:06 Venus 0.057664502258128 0.0576566643504771 0.0576723408435624 8.643445774349 8.63908781691576 2524470.791464069 6.07343063838823 507.4311539835 104.401275373144 -40.6910440927206 49925.2254277034 T 9 CATAB v2.0e-lin.ifort 2017-Nov-27 18:35:40 2018-Dec-11 14:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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