2012 TC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4037624000
Semi-major axis (a)1.6204484000 AU
Inclination (i)0.53425000°
Long. of Asc. Node (Ω)19.69505000°
Arg. of Perihelion (ω)26.57603000°
Mean Anomaly (M)324.44167000°
Mean Motion (n)0.4778056400°/day
Perihelion dist (q)0.96617230 AU
Aphelion dist (Q)2.27472450 AU
Orbital Period2.06277950 yr
Physical Parameters
H (abs. magnitude)26.71
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.510″
Uncertainty1
Orbit TypeApollo
MOID0.000228 AU
Observations Used1121
Radar Obs Used9
Oppositions3
Arc Total2012-2017
First Observation Used
Last Observation Used2017-12-14
Observations (1138)
Date Type RA Dec Mag Band Observatory
2017-10-09 13:15:05 C 22 57 23.15 -03 02 44.7 q D29
2017-10-09 13:16:52 C 22 57 22.72 -03 02 47.1 q D29
2017-10-09 13:20:24 C 22 57 21.68 -03 02 53.3 q D29
2017-10-09 13:22:10 C 22 57 21.10 -03 02 55.6 q D29
2017-10-09 13:23:57 C 22 57 20.59 -03 02 58.4 q D29
2017-10-09 13:25:44 C 22 57 19.94 -03 03 01.5 q D29
2017-10-09 13:27:30 C 22 57 19.47 -03 03 04.0 q D29
2017-10-09 13:29:16 C 22 57 18.83 -03 03 07.5 q D29
2017-10-09 13:31:03 C 22 57 18.43 -03 03 09.5 q D29
2017-10-09 13:34:35 C 22 57 17.30 -03 03 15.4 q D29
2017-10-09 13:36:21 C 22 57 16.64 -03 03 18.9 q D29
2017-10-09 13:38:08 C 22 57 16.29 -03 03 21.2 q D29
2017-10-09 13:43:27 C 22 57 14.43 -03 03 30.6 q D29
2017-10-09 13:45:14 C 22 57 13.97 -03 03 33.0 q D29
2017-10-09 13:47:00 C 22 57 13.48 -03 03 35.4 q D29
2017-10-09 13:48:46 C 22 57 12.89 -03 03 38.4 q D29
2017-10-09 13:50:32 C 22 57 12.36 -03 03 41.2 q D29
2017-10-09 13:52:19 C 22 57 11.79 -03 03 44.3 q D29
2017-10-09 13:54:05 C 22 57 11.30 -03 03 46.8 q D29
2017-10-09 13:55:51 C 22 57 10.77 -03 03 49.6 q D29
2017-10-09 13:57:38 C 22 57 10.06 -03 03 53.5 q D29
2017-10-09 13:59:25 C 22 57 09.71 -03 03 54.8 q D29
2017-10-09 14:06:30 C 22 57 07.38 -03 04 07.2 q D29
2017-10-09 14:08:16 C 22 57 06.86 -03 04 09.9 q D29
2017-10-09 14:10:02 C 22 57 06.30 -03 04 12.6 q D29
2017-10-09 14:11:49 C 22 57 05.78 -03 04 15.3 q D29
2017-10-09 14:13:36 C 22 57 05.31 -03 04 17.7 q D29
2017-10-09 14:15:22 C 22 57 04.61 -03 04 21.1 q D29
2017-10-09 14:17:08 C 22 57 04.12 -03 04 23.8 q D29
2017-10-09 14:22:27 C 22 57 02.43 -03 04 32.5 q D29
2017-10-09 14:24:13 C 22 57 01.97 -03 04 34.9 q D29
2017-10-09 14:26:00 C 22 57 01.37 -03 04 37.4 q D29
2017-10-09 14:27:46 C 22 57 00.73 -03 04 41.0 q D29
2017-10-09 14:29:32 C 22 57 00.27 -03 04 43.5 q D29
2017-10-09 18:12:56 C 22 57 15.07 -03 13 37.7 U 587
2017-10-09 18:15:48 C 22 57 14.39 -03 13 43.6 U 587
2017-10-09 19:35:21 C 22 56 53.28 -03 16 04.5 q K78
2017-10-09 19:36:50 C 22 56 52.89 -03 16 07.4 q K78
2017-10-09 19:41:14 C 22 56 51.57 -03 16 17.2 q K78
2017-10-09 19:44:05 C 22 56 50.80 -03 16 23.0 q K78
2017-10-09 20:06:29 C 22 56 44.00 -03 17 07.7 q K78
2017-10-09 20:10:00 C 22 56 42.88 -03 17 15.5 q K78
2017-10-09 20:13:17 C 22 56 41.84 -03 17 21.4 q K78
2017-10-09 20:18:11 C 22 56 40.38 -03 17 31.0 q K78
2017-10-09 20:42:24 C 22 56 33.00 -03 18 40.5 U 587
2017-10-09 20:45:16 C 22 56 32.11 -03 18 46.2 U 587
2017-10-09 20:51:23 C 22 56 28.97 -03 18 35.9 q 160
2017-10-09 20:55:01 C 22 56 27.79 -03 18 43.5 q 160
2017-10-09 20:58:38 C 22 56 26.61 -03 18 51.0 q 160
2017-10-09 22:07:58 C 22 56 15.92 -03 20 37.9 S J27
Radar Observations (9)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-10-09 07:30:00 364428.52 1 Hz 8560 -14 -14
2017-10-10 06:50:00 7487595 20 us 8560 -14 -14
2017-10-10 08:00:00 7308629 1 us 8560 -14 -14
2017-10-10 08:40:00 7207546.1 0.25 us 8560 -14 -14
2017-10-11 06:10:00 3797485.8 0.25 us 8560 -14 -14
2017-10-11 07:20:00 3616812.98 0.25 us 8560 -14 -14
2017-10-12 02:21:30 278809.719 1 Hz 7190 -9 -13
2017-10-14 12:30:00 8748873.6 0.5 us 8560 -14 -14
2017-10-14 13:10:00 8848922.729 0.25 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -13 DSS-13 Goldstone (34-m) -9 Green Bank GBT (100-m)