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 22:00:01 C 22 50 23.58 -04 15 13.9 L32
2017-10-10 22:00:56 C 22 50 47.56 -04 50 23.0 q K32
2017-10-10 22:01:09 C 22 50 23.12 -04 50 12.1 t 073
2017-10-10 22:01:24 C 22 50 45.83 -04 51 12.9 o B67
2017-10-10 22:01:27 C 22 50 22.46 -04 15 21.3 L32
2017-10-10 22:02:53 C 22 50 21.35 -04 15 28.7 L32
2017-10-10 22:04:17 C 22 50 20.26 -04 15 35.9 L32
2017-10-10 22:05:41 C 22 50 19.18 -04 15 43.2 L32
2017-10-10 22:06:34 C 22 50 42.09 -04 51 46.0 o B67
2017-10-10 22:07:16 C 22 50 17.93 -04 15 51.5 L32
2017-10-10 22:08:04 C 22 50 42.26 -04 51 09.3 q K32
2017-10-10 22:08:51 C 22 50 16.71 -04 15 59.7 L32
2017-10-10 22:09:02 C 22 50 38.49 -04 51 39.0 U 130
2017-10-10 22:10:15 C 22 50 15.62 -04 16 07.0 L32
2017-10-10 22:11:38 C 22 50 14.55 -04 16 14.3 L32
2017-10-10 22:13:14 C 22 50 13.29 -04 16 22.7 L32
2017-10-10 22:14:37 C 22 50 12.22 -04 16 29.8 L32
2017-10-10 22:16:12 C 22 50 11.00 -04 16 38.1 L32
2017-10-10 22:17:48 C 22 50 09.74 -04 16 46.5 L32
2017-10-10 22:18:51 C 22 50 10.72 -04 52 03.0 t 073
2017-10-10 22:19:26 C 22 50 08.49 -04 16 55.0 L32
2017-10-10 22:20:49 C 22 50 07.42 -04 17 02.2 L32
2017-10-10 22:22:17 C 22 50 06.28 -04 17 10.0 L32
2017-10-10 22:23:44 C 22 50 05.15 -04 17 17.6 L32
2017-10-10 22:25:20 C 22 50 03.91 -04 17 26.1 L32
2017-10-10 22:25:57 C 22 50 26.18 -04 53 27.5 U 130
2017-10-10 22:26:43 C 22 50 02.84 -04 17 33.3 L32
2017-10-10 22:28:11 C 22 50 01.72 -04 17 41.0 L32
2017-10-10 22:29:44 C 22 50 00.50 -04 17 49.4 L32
2017-10-10 22:31:20 C 22 49 59.27 -04 17 57.8 L32
2017-10-10 22:32:47 C 22 49 58.15 -04 18 05.4 L32
2017-10-10 22:34:24 C 22 49 56.92 -04 18 14.0 L32
2017-10-10 22:35:47 C 22 49 55.84 -04 18 21.3 L32
2017-10-10 22:37:22 C 22 49 54.63 -04 18 29.6 L32
2017-10-10 22:39:00 C 22 49 53.38 -04 18 38.2 L32
2017-10-10 22:40:25 C 22 49 52.27 -04 18 45.9 L32
2017-10-10 22:41:48 C 22 49 51.20 -04 18 53.0 L32
2017-10-10 22:43:24 C 22 49 49.98 -04 19 01.7 L32
2017-10-10 22:44:45 C 22 49 48.94 -04 19 09.0 L32
2017-10-10 22:46:08 C 22 49 47.89 -04 19 16.3 L32
2017-10-10 22:47:35 C 22 49 46.77 -04 19 24.1 L32
2017-10-10 22:49:11 C 22 49 45.54 -04 19 32.6 L32
2017-10-10 22:50:23 C 22 49 44.63 -04 19 39.1 L32
2017-10-10 22:51:57 C 22 49 43.43 -04 19 47.5 L32
2017-10-10 22:53:37 C 22 49 42.17 -04 19 56.3 L32
2017-10-10 22:54:50 C 22 49 41.23 -04 20 03.0 L32
2017-10-10 22:56:01 C 22 49 40.32 -04 20 09.3 L32
2017-10-10 22:57:25 C 22 49 39.26 -04 20 16.8 L32
2017-10-10 22:58:37 C 22 49 38.35 -04 20 23.2 L32
2017-10-10 23:00:09 C 22 49 37.18 -04 20 31.5 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)