+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2012 TC4) Classification: Apollo [NEO]          SPK-ID: 3609693 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 62 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4038209340676182 5.027e-08   a 1.620116143453835 1.1786e-07 au q .96587932910628 4.2117e-08 au i .5349826739255902 2.0611e-06 deg node 19.7095671566809 3.1578e-06 deg peri 26.54954829753605 6.7527e-06 deg M 184.3911208602379 6.6138e-05 deg tp 2459567.919008869820 (2021-Dec-19.41900887) 0.00017734 TDB period 753.2127295674201 2.06 8.2192e-05 2.25e-07 d yr n .4779526233003958 5.2155e-08 deg/d Q 2.27435295780139 1.6545e-07 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 2.363273090491061E-11 7.973E-12 A2 [EST] -2.68996434132612E-13 6.535E-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)      805      # 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.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .29759      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 11:35:13   Additional Information  Earth MOID = .000137232 au   Jupiter MOID = 3.13158 au   T_jup = 4.233  [ 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. 2020-October); 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.] [Lin, Z.-Y.; Ip, W.-H.; Ngeow, C.-C. (2019) Plan. Space Sci. 166, 54-58.] [ 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 1986-Oct-11 09:52 1_13:54 Earth 0.00794059498984978 1.33155856166007e-07 0.0181669034014115 6.79552877043767 6.74596976525942 2446714.910965735 2274.08888172755 509835.012678965 0.50829192510906 -0.0293513854788528 2.26409835601443 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 1987-Mar-11 23:21 1_14:12 Earth 0.327116209233558 0.320160581608404 0.334071834944716 4.75912969899684 4.75741786808299 2446866.472910691 2291.88705746582 346846.836755856 2.29680022315619 -2.80955234690926 423122.359151888 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 1996-Oct-13 02:04 00:13 Earth 0.00504030862736667 0.00499338502446965 0.0050872328601896 6.44457559022849 6.36201903564697 2450369.586344348 12.6999788953587 2341.63351254559 0.410030728986624 -0.511156406871488 327.466797816175 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 1996-Oct-13 17:40 00:13 Moon 0.00354604534085553 0.00350375750613048 0.00358834279076648 7.14347512739344 7.1421812167399 2450370.236406159 13.0626365233351 2128.97251914793 0.458292179184846 -7.86040625299009 154210.729884672 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 1997-Mar-03 06:03 00:13 Earth 0.313688851871202 0.313652981390094 0.31372472236982 4.19025220550616 4.1882246245905 2450510.752351446 13.2557847245724 1792.53416243557 2.37128805802421 -5.34047433483119 596209.374299261 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2009-Aug-02 09:30 00:01 Earth 0.461029151646833 0.461025727350302 0.461032575943574 7.03947219664274 7.03865114741083 2455045.895920315 1.0927232967603 171.426944797974 5.01279195757933 5.257801888458 705067.505247139 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2010-Feb-12 02:34 < 00:01 Earth 0.268607685514796 0.268599382614148 0.268615988418451 14.6402093324764 14.6395317585499 2455239.606878154 0.761040537285337 416.457624907492 3.9309096787632 6.21421216590336 925366.799313969 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2011-Jan-24 08:38 < 00:01 Mars 0.0860667545908395 0.0860653322098046 0.0860681770640753 5.95743973786197 5.95688135579578 2455585.859572816 0.650492989357505 157.680535533362 4.98554837650379 63.3207822950488 2472582.57637691 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2012-Oct-12 05:30 < 00:01 Earth 0.000634800694221972 0.000634798557289233 0.000634802831156335 7.12265791019745 6.50673189682703 2456212.729492611 0.0131748426289601 0.126096548086885 0.0676622779678514 38.3009727905753 999979.479856557 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2012-Oct-12 21:45 < 00:01 Moon 0.000761280013498824 0.000761275745219873 0.000761284281785997 6.77317894393389 6.76681998949485 2456213.406539604 0.0130031618325938 0.250156303201305 0.0657800650002034 -32.9900845312544 994633.324675395 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2017-Oct-12 05:42 < 00:01 Earth 0.00033523953976673 0.000335238871788802 0.000335240207744639 7.64657003551544 6.52488009831382 2458038.737495816 0.000138515153670739 0.0390928569917598 0.0316356165945666 -59.4552295203076 1384277.26101489 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2017-Oct-12 19:19 < 00:01 Moon 0.00185628761889462 0.00185628610704649 0.00185628913074317 6.10124923510752 6.09835484032159 2458039.304828881 0.000305191112739204 0.0891737207397477 0.0263206225240442 33.979710060952 6461299.77608425 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2019-Aug-28 15:57 00:01 Earth 0.46063900828729 0.460634968106713 0.460643048467161 2.80741447955199 2.80535335345788 2458724.164857492 1.4023641384291 199.464707978953 6.21797904311621 1.72978012119443 59296.1305278937 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2019-Dec-29 09:43 < 00:01 Earth 0.23040077853602 0.230395701048078 0.230405856024328 13.8174400123379 13.8166030344578 2458846.905174524 0.430749752297919 253.616978388533 4.94563191965969 -3.3722868121569 357622.217603204 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2034-Sep-30 12:22 00:02 Mars 0.0500083032342433 0.0499914219945026 0.0500251944347896 9.98038879167579 9.97981516532349 2464236.015269177 2.11075220318738 1395.63652605469 5.15412214926447 52.891419994721 1145118.50111874 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2048-Sep-05 15:34 00:06 Earth 0.345858629425417 0.345787847685155 0.345929411165188 17.2263341982192 17.2258869727691 2469325.148908683 5.95536173330781 3529.53991021787 1.61461480735587 0.304304015940077 140479.805014666 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2050-Jul-29 18:58 00:05 Mars 0.0616735710980461 0.0616175992760043 0.0617295631583935 10.409311138002 10.408865179539 2470017.290410737 4.57262974039297 3301.03864700385 6.72223484652537 -32.2570910552887 719768.127159575 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2050-Oct-19 01:32 00:27 Moon 0.00937786152700502 0.00933927271159175 0.00941645082584002 7.14610147981456 7.14561242150524 2470098.564230051 27.3094196902021 1927.20737312613 0.553199416936577 3.150701133563 136903.624178648 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2050-Oct-19 04:40 00:35 Earth 0.011987681497589 0.0119508209954865 0.0120245423944209 6.16369160713007 6.12752462280426 2470098.694732573 34.7233833123622 1841.31769644605 0.889481461877053 -2.72984153892928 84296.9127010819 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2053-Jan-02 13:25 00:15 Earth 0.315979493697999 0.315762934565523 0.316196053130538 16.4465819357489 16.4460692106534 2470905.059249527 14.8194420531107 10809.8473072843 4.91209667539823 -2.62036470036881 370847.091761411 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2076-Feb-13 13:01 03:05 Mars 0.0417875334576849 0.0412032602321126 0.0425008696384189 9.71898838091649 9.71828343768801 2479347.042223060 185.014766333958 120286.835375295 5.07828884823512 74.3729879264521 1177342.75709594 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2077-Sep-07 06:49 05:10 Earth 0.319207912434668 0.315645808068327 0.322770015414287 16.4700864309517 16.4695796158903 2479918.784054880 310.373489448832 177624.609670339 2.03242996290966 0.342584376654509 114829.121779437 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2079-Nov-21 04:08 1_08:15 Earth 0.0167347628731978 0.0153160427363964 0.0181899315082931 6.02610164535784 5.99962203630476 2480723.672439070 1935.06105479417 81600.7828533679 3.46750435370716 28.4053842049391 337748.776672381 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2082-Jan-06 00:09 01:48 Earth 0.375137929972275 0.373993020533664 0.376282853205398 18.21636294848 18.2159730384955 2481500.505992395 108.056355256684 57204.9333174491 8.32460285088414 3.61980073383178 366906.938123366 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2096-Oct-21 01:35 1_10:57 Mars 0.042427456443436 0.0410430185819596 0.0555347018335488 9.36953887041599 9.36881866286384 2486902.566195248 2096.60747587197 1329531.3180818 5.55939613510104 -75.3234687474547 1125732.94149135 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 2108-Sep-14 07:06 5_00:33 Earth 0.221601590593456 0.149108703342144 0.294094869744656 13.5017791652086 13.5008886059849 2491247.796065836 7233.13985992334 3614966.82231871 3.68326846223751 0.690803014221153 87335.0457715732 T 62 CATAB v2.0g-lin.ifort 2021-Apr-15 11:35:54 2021-Apr-15 11:35 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-16 03:51 UT (server date/time)   Site Manager:   Ryan S. 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