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
2017-10-10 20:33:48 C 22 51 52.44 -04 41 17.6 d A77
2017-10-10 20:34:34 C 22 51 29.61 -04 08 03.2 L32
2017-10-10 20:35:03 C 22 51 49.12 -04 41 32.9 q C77
2017-10-10 20:36:08 C 22 51 28.42 -04 08 10.9 L32
2017-10-10 20:36:41 C 22 51 43.14 -04 41 31.3 q 108
2017-10-10 20:36:42 C 22 51 47.98 -04 41 42.5 q C77
2017-10-10 20:37:13 C 22 51 50.17 -04 41 37.8 d A77
2017-10-10 20:37:22 C 22 51 27.49 -04 08 17.0 L32
2017-10-10 20:37:28 C 22 51 42.58 -04 41 35.7 q 108
2017-10-10 20:38:21 C 22 51 46.82 -04 41 52.9 q C77
2017-10-10 20:40:33 C 22 51 47.86 -04 41 58.0 d A77
2017-10-10 20:40:48 C 22 51 24.87 -04 08 33.9 L32
2017-10-10 20:41:21 C 22 51 36.43 -04 42 39.4 q 595
2017-10-10 20:42:10 C 22 51 23.83 -04 08 40.7 L32
2017-10-10 20:42:12 C 22 51 40.29 -04 42 39.9 U 130
2017-10-10 20:42:35 C 22 51 35.60 -04 42 46.9 q 595
2017-10-10 20:43:44 C 22 51 22.63 -04 08 48.3 L32
2017-10-10 20:43:53 C 22 51 45.56 -04 42 18.1 d A77
2017-10-10 20:45:15 C 22 51 21.47 -04 08 55.8 L32
2017-10-10 20:46:27 C 22 51 20.57 -04 09 01.7 L32
2017-10-10 20:47:13 C 22 51 43.26 -04 42 38.2 d A77
2017-10-10 20:47:48 C 22 51 19.52 -04 09 08.5 L32
2017-10-10 20:49:19 C 22 51 18.37 -04 09 15.9 L32
2017-10-10 20:50:33 C 22 51 17.42 -04 09 22.1 L32
2017-10-10 20:50:33 C 22 51 40.92 -04 42 58.5 d A77
2017-10-10 20:53:25 C 22 51 15.22 -04 09 36.3 L32
2017-10-10 20:54:56 C 22 51 14.06 -04 09 43.8 L32
2017-10-10 20:55:39 C 22 51 26.55 -04 44 05.7 q 595
2017-10-10 20:56:23 C 22 51 12.95 -04 09 51.0 L32
2017-10-10 20:57:46 C 22 51 11.89 -04 09 57.9 L32
2017-10-10 20:58:57 C 22 51 10.98 -04 10 03.8 L32
2017-10-10 21:00:11 C 22 51 10.03 -04 10 10.0 L32
2017-10-10 21:01:53 C 22 51 08.72 -04 10 18.5 L32
2017-10-10 21:01:53 C 22 51 32.98 -04 44 07.5 d A77
2017-10-10 21:02:07 C 22 51 04.66 -04 44 12.5 t 073
2017-10-10 21:03:33 C 22 51 07.44 -04 10 26.8 L32
2017-10-10 21:05:08 C 22 51 06.21 -04 10 34.7 L32
2017-10-10 21:05:12 C 22 51 30.60 -04 44 28.1 d A77
2017-10-10 21:06:14 C 22 51 23.61 -04 45 05.9 U 130
2017-10-10 21:06:42 C 22 51 05.01 -04 10 42.5 L32
2017-10-10 21:07:33 C 22 51 24.06 -04 45 35.3 o B67
2017-10-10 21:08:07 C 22 51 03.92 -04 10 49.6 L32
2017-10-10 21:08:38 C 22 51 28.18 -04 44 49.1 d A77
2017-10-10 21:09:44 C 22 51 02.65 -04 10 57.8 L32
2017-10-10 21:11:07 C 22 51 01.60 -04 11 04.7 L32
2017-10-10 21:11:38 C 22 51 23.45 -04 45 15.2 t K33
2017-10-10 21:12:32 C 22 51 00.51 -04 11 11.8 L32
2017-10-10 21:12:58 C 22 51 20.28 -04 46 08.7 o B67
2017-10-10 21:13:56 C 22 50 59.42 -04 11 18.8 L32
2017-10-10 21:15:13 C 22 50 58.42 -04 11 25.3 L32
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)