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 21:16:37 C 22 50 57.34 -04 11 32.3 L32
2017-10-10 21:17:30 C 22 51 19.29 -04 45 51.8 t K33
2017-10-10 21:18:01 C 22 50 56.26 -04 11 39.4 L32
2017-10-10 21:18:23 C 22 51 16.47 -04 46 42.4 o B67
2017-10-10 21:19:24 C 22 50 55.17 -04 11 46.5 L32
2017-10-10 21:20:47 C 22 50 54.12 -04 11 53.3 L32
2017-10-10 21:22:23 C 22 50 52.87 -04 12 01.4 L32
2017-10-10 21:23:47 C 22 50 51.77 -04 12 08.6 L32
2017-10-10 21:23:48 C 22 51 12.66 -04 47 16.0 o B67
2017-10-10 21:24:02 C 22 51 14.60 -04 46 31.8 t K33
2017-10-10 21:25:10 C 22 50 50.71 -04 12 15.5 L32
2017-10-10 21:26:44 C 22 50 49.48 -04 12 23.5 L32
2017-10-10 21:28:06 C 22 50 48.42 -04 12 30.4 L32
2017-10-10 21:29:15 C 22 51 08.77 -04 47 50.2 o B67
2017-10-10 21:29:30 C 22 50 47.33 -04 12 37.5 L32
2017-10-10 21:30:31 C 22 51 09.91 -04 47 12.6 t K33
2017-10-10 21:31:06 C 22 50 46.11 -04 12 45.5 L32
2017-10-10 21:32:41 C 22 50 44.85 -04 12 53.7 L32
2017-10-10 21:34:04 C 22 50 43.78 -04 13 00.7 L32
2017-10-10 21:35:20 C 22 50 42.79 -04 13 07.2 L32
2017-10-10 21:36:19 C 22 51 02.22 -04 48 12.1 U 130
2017-10-10 21:36:44 C 22 50 41.70 -04 13 14.3 L32
2017-10-10 21:38:06 C 22 50 40.64 -04 13 21.3 L32
2017-10-10 21:39:30 C 22 50 39.57 -04 13 28.3 L32
2017-10-10 21:40:55 C 22 50 38.46 -04 13 35.6 L32
2017-10-10 21:42:17 C 22 50 37.38 -04 13 42.7 L32
2017-10-10 21:43:03 C 22 50 59.43 -04 48 58.6 U 204
2017-10-10 21:43:41 C 22 50 36.29 -04 13 49.8 L32
2017-10-10 21:45:05 C 22 50 35.20 -04 13 57.0 L32
2017-10-10 21:45:13 C 22 50 57.84 -04 49 12.5 U 204
2017-10-10 21:46:41 C 22 50 33.95 -04 14 05.2 L32
2017-10-10 21:47:20 C 22 50 56.33 -04 49 25.7 U 204
2017-10-10 21:48:16 C 22 50 32.72 -04 14 13.3 L32
2017-10-10 21:49:33 C 22 50 54.73 -04 49 39.7 U 204
2017-10-10 21:49:51 C 22 50 31.49 -04 14 21.5 L32
2017-10-10 21:50:54 C 22 50 50.22 -04 49 07.0 q 160
2017-10-10 21:51:05 C 22 50 53.29 -04 50 06.9 o B67
2017-10-10 21:51:15 C 22 50 30.40 -04 14 28.6 L32
2017-10-10 21:51:46 C 22 50 53.13 -04 49 53.7 U 204
2017-10-10 21:52:39 C 22 50 29.36 -04 14 35.5 L32
2017-10-10 21:53:15 C 22 50 48.44 -04 49 22.2 q 160
2017-10-10 21:53:48 C 22 50 52.80 -04 49 38.2 q K32
2017-10-10 21:54:05 C 22 50 28.19 -04 14 43.2 L32
2017-10-10 21:55:02 C 22 50 48.69 -04 50 09.8 U 130
2017-10-10 21:55:29 C 22 50 27.09 -04 14 50.6 L32
2017-10-10 21:55:50 C 22 50 46.56 -04 49 38.3 q 160
2017-10-10 21:56:14 C 22 50 49.57 -04 50 39.8 o B67
2017-10-10 21:57:01 C 22 50 25.91 -04 14 58.3 L32
2017-10-10 21:58:37 C 22 50 24.67 -04 15 06.6 L32
2017-10-10 21:58:59 C 22 50 44.20 -04 49 58.7 q 160
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)