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JPL Small-Body Database Browser
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(2012 TC4)
Classification: Apollo [NEO]          SPK-ID: 3609693
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 2458027.5 (2017-Oct-01.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .336078378275231 2.4454e-08  
a 1.406087192264245 7.8362e-08 au
q .9335316889745044 1.8165e-08 au
i .8571723418033164 1.0454e-06 deg
node 198.2327343359685 1.0379e-06 deg
peri 222.5838803027783 6.9766e-06 deg
M 332.7890866483427 5.6597e-06 deg
tp 2458073.531743445733
(2017-Nov-16.03174345)
5.7459e-06 TDB
period 608.9993167926712
1.67
5.091e-05
1.394e-07
d
yr
n .5911336680900728 4.9416e-08 deg/d
Q 1.878642695553985 1.047e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.172240468630678E-11 8.001E-12
A2 [EST] -2.734598700568092E-13 6.54E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      802  
   # delay obs. used      7  
   # Doppler obs. used      2  
   data-arc span      1897 days (5.19 yr)  
   first obs. used      2012-10-04  
   last obs. used      2017-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .29423  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Dec-16 22:22:34  

Additional Information
 Earth MOID = .000148833 au 
 Jupiter MOID = 3.45846 au 
 T_jup = 4.680 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 26.7   n/a MPO240126  
rotation period rot_per 0.204155 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Odden, C.E.; Verhaegh, J.C.; McCullough, D.G.; Briggs, J.W. (2013) Minor Planet Bull. 40, 176-177.]
[Polishook, D. (2013). Minor Planet Bull. 40, 42-43.]
[Warner, B.D. (2013) Minor Planet Bull. 40, 71-80.]
[Carbognani, A. (2014) Minor Planet Bull. 41, 4-8.]
[Tan, H.; Gao, X. (2018) Minor Planet Bull. 45, 220-221.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 19-34.]

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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
1986-Oct-11 08:31 1_07:48 Moon 0.00948890449907496 0.000334467099931742 0.0201442313977345 7.71575202210814 7.7153043737121 2446714.854744118 1907.84761288669 531492.891027746 0.455818401325604 -2.0235205515633 105368.723121866 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
1986-Oct-11 12:14 1_14:20 Earth 0.0073040187182214 6.73547051451011e-10 0.0175486407854122 6.7809855133003 6.72697345320332 2446715.009714567 2300.20729500935 510753.532264816 0.512961147975842 0.00232022193077319 2.08233738481326 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
1987-Mar-11 20:58 1_14:25 Earth 0.326682806085157 0.319696914246811 0.333668705724068 4.74854001084545 4.74682208448258 2446866.373659807 2305.38308734967 348367.578928875 2.30566259084221 -2.85950636082696 427567.330249081 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
1996-Oct-13 02:04 00:13 Earth 0.00503738966625825 0.00499039520212616 0.00508438476270263 6.44470997841193 6.36210702001142 2450369.585794953 12.7184600403624 2345.17007993431 0.410587028557576 -0.511615848840408 326.780351968417 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
1996-Oct-13 17:40 00:13 Moon 0.00354341479880954 0.0035010641774206 0.0035857750855763 7.14349796196632 7.14220309481266 2450370.235840898 13.0823503450181 2132.16427272097 0.45890014698696 -7.86621379859424 154005.067603448 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
1997-Mar-03 06:04 00:13 Earth 0.313691090452462 0.313655166206732 0.313727014715739 4.19032047423976 4.18829294084644 2450510.752924466 13.2754493451513 1795.21996910918 2.37415132330801 -5.34005959859789 595395.952980657 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2009-Aug-02 09:30 00:01 Earth 0.461028929351005 0.461025499457298 0.461032359244921 7.0394677604078 7.03864671026264 2455045.895969979 1.09450366689513 171.706593002118 5.0183319937343 5.25577122615551 704021.748124919 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2010-Feb-12 02:34 < 00:01 Earth 0.268607135096437 0.268598818606436 0.268615451589462 14.6401926623412 14.6395150862548 2455239.606842198 0.762246652178735 417.138627022957 3.93569285052435 6.21343740042817 924121.348742108 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2011-Jan-24 08:38 < 00:01 Mars 0.0860666608628046 0.0860652360071279 0.0860680858109853 5.95744303483253 5.95688465247512 2455585.859601411 0.651570524750888 157.94330760051 4.99117592134126 63.3186022790937 2469758.72745988 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2012-Oct-12 05:30 < 00:01 Earth 0.00063480082645068 0.000634798685279365 0.000634802967623582 7.122657772239 6.50673188029362 2456212.729492815 0.0131853805721182 0.126259709199361 0.0677783866128424 38.2265541766943 997586.44603247 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2012-Oct-12 21:45 < 00:01 Moon 0.000761279942940474 0.00076127567097387 0.000761284214915301 6.7731790045264 6.7668200496225 2456213.406539778 0.013013734706053 0.250322242753139 0.0659380465087234 -32.9753186283345 992183.402593516 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2017-Oct-12 05:42 < 00:01 Earth 0.000335239527286783 0.000335238858941191 0.000335240195632451 7.64657007849976 6.52488010355798 2458038.737495749 0.000138516787743827 0.0391061003201598 0.031651957562869 -59.4280977382007 1383501.55341643 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2017-Oct-12 19:19 < 00:01 Moon 0.00185628757576994 0.00185628606381432 0.00185628908772598 6.10124923823505 6.09835484341423 2458039.304829008 0.000305327156541067 0.0891736965171155 0.0263494509546198 33.9768389466987 6454954.5186957 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2019-Aug-28 15:57 00:01 Earth 0.46063890534032 0.460634860627883 0.46064295005205 2.80740960301196 2.80534847287456 2458724.164883185 1.40394994535977 199.688258101546 6.21813510837757 1.72940875432967 59247.7715341236 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2019-Dec-29 09:43 < 00:01 Earth 0.230400648589555 0.230395565363355 0.230405731816135 13.8174359653742 13.816598986777 2458846.905165500 0.431310793505934 253.903427930929 4.94620127855389 -3.37162419791238 357480.67727926 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2034-Sep-30 12:22 00:02 Mars 0.0500078096023888 0.0499909099945782 0.0500247191933321 9.98037688778065 9.97980325508969 2464236.015223890 2.11323996736638 1397.17923149379 5.15422177130265 52.8921533062342 1145097.10109564 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2048-Sep-05 15:34 00:06 Earth 0.345860896031858 0.345790036914772 0.345931755148474 17.2264014598666 17.2259542390938 2469325.148774216 5.9618940978818 3533.39830706487 1.61504913058192 0.304275055230474 140428.332985603 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2050-Jul-29 18:58 00:05 Mars 0.0616753743429599 0.0616193413077313 0.061731427658602 10.409348122674 10.4089021788409 2470017.290306658 4.57764154907093 3304.61228164822 6.72249472304709 -32.2560713006713 719740.685756511 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2050-Oct-19 01:32 00:27 Moon 0.00937661164468571 0.00933798115108765 0.00941524262287921 7.14615203895371 7.14566291891774 2470098.563614944 27.3391242943312 1929.28927768281 0.553184910535269 3.15091457944772 136897.672977928 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2050-Oct-19 04:39 00:35 Earth 0.0119864876330826 0.0119495854620385 0.01202339019971 6.16372619325677 6.12755580020241 2470098.693950407 34.7604792271938 1843.39859047196 0.889860893308616 -2.72941195839322 84234.9012486565 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2053-Jan-02 13:26 00:15 Earth 0.315986478948364 0.315769615085376 0.316203343112247 16.4467932904254 16.4462805832536 2470905.059578896 14.8403278013331 10825.0571328917 4.91297759616458 -2.62022088622028 370766.326087044 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2076-Feb-13 13:07 03:05 Mars 0.0418085329323906 0.0412193198736662 0.0425269613124727 9.72012404844857 9.71941954164762 2479347.046361418 185.268045065275 120448.226432999 5.07838940688433 74.2706792607388 1177296.52291318 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2077-Sep-07 06:59 05:11 Earth 0.319093143872494 0.315526551033189 0.322659735322238 16.4666887270413 16.4661816250744 2479918.790996742 310.789483798034 177848.430276468 2.03304055535141 0.34293964049819 114871.215407077 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2079-Nov-21 05:11 1_08:16 Earth 0.0166883723026212 0.0152647082249782 0.0181489584134331 6.02731504069216 6.00076702963988 2480723.715705353 1935.80589468025 81922.7075800462 3.4691903415067 28.4392434805033 337075.915023961 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2082-Jan-06 00:05 01:50 Earth 0.375100608034212 0.373927732554807 0.376273497480359 18.2152199200241 18.2148299467734 2481500.503548573 110.367277129514 58598.1714611577 8.27563602298875 3.55634112422009 362509.991527113 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2096-Oct-21 00:28 1_11:10 Mars 0.0426538053315032 0.0410433664163796 0.0562419110816312 9.35687021855125 9.35615286302776 2486902.519166809 2110.05915035803 1338586.23872442 5.56986373179702 -74.2059817344479 1124134.33055941 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
2108-Sep-14 03:14 5_00:26 Earth 0.223940275946028 0.151151530126309 0.296729387911361 13.5722838014539 13.5714071211653 2491247.634424412 7226.28078241781 3629717.66811903 3.70939162917147 0.683609706310006 86762.0516800775 T 61 CATAB v2.0e-lin.ifort 2018-Mar-07 07:03:15 2018-Dec-11 15:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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