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
2017-10-11 21:08:58 C 22 18 56.84 -13 46 44.5 q 134
2017-10-11 21:09:11 C 22 18 55.49 -13 47 02.2 q 134
2017-10-11 21:09:25 C 22 18 54.06 -13 47 20.2 q 134
2017-10-11 21:09:38 C 22 18 52.66 -13 47 39.2 q 134
2017-10-11 21:09:49 C 22 18 50.58 -13 47 54.2 L 033
2017-10-11 21:09:52 C 22 18 51.24 -13 47 57.3 q 134
2017-10-11 21:10:05 C 22 18 49.85 -13 48 14.9 q 134
2017-10-11 21:10:19 C 22 18 48.44 -13 48 33.5 q 134
2017-10-11 21:10:33 C 22 18 47.01 -13 48 51.9 q 134
2017-10-11 21:10:46 C 22 18 45.58 -13 49 09.4 q 134
2017-10-11 21:13:17 C 22 18 29.95 -13 52 32.2 q 134
2017-10-11 21:37:35 C 22 17 08.49 -14 30 22.6 q 987
2017-10-11 21:38:00 C 22 17 05.65 -14 31 00.2 q 987
2017-10-11 21:38:19 C 22 16 46.66 -14 29 21.2 U J95
2017-10-11 21:41:03 C 22 16 27.86 -14 33 27.8 U J95
2017-10-11 21:43:08 C 22 14 58.63 -14 28 32.2 q 160
2017-10-11 21:43:44 C 22 16 09.23 -14 37 32.0 U J95
2017-10-11 21:47:33 C 22 14 26.43 -14 35 09.4 q 160
2017-10-11 21:50:21 C 22 15 19.12 -14 47 23.7 q J69
2017-10-11 21:50:27 C 22 14 05.04 -14 39 33.5 q 160
2017-10-11 21:50:29 C 22 15 18.21 -14 47 35.7 q J69
2017-10-11 21:50:36 C 22 15 17.29 -14 47 47.7 q J69
2017-10-11 21:50:59 C 22 15 14.61 -14 48 22.5 q J69
2017-10-11 21:51:13 C 22 15 12.85 -14 48 45.3 q J69
2017-10-11 21:51:28 C 22 15 11.06 -14 49 08.4 q J69
2017-10-11 21:55:51 C 22 13 50.53 -14 51 23.9 q A13
2017-10-11 21:56:06 C 22 13 48.71 -14 51 47.1 q A13
2017-10-11 21:56:35 C 22 13 45.02 -14 52 33.8 q A13
2017-10-11 21:57:04 C 22 13 41.33 -14 53 19.8 q A13
2017-10-11 21:59:13 C 22 13 25.08 -14 56 43.6 q A13
2017-10-11 21:59:28 C 22 13 23.22 -14 57 06.6 q A13
2017-10-11 22:00:01 C 22 14 31.16 -15 05 22.2 q 987
2017-10-11 22:00:04 C 22 12 52.36 -14 54 27.6 q 160
2017-10-11 22:00:48 C 22 14 25.30 -15 06 39.2 q 987
2017-10-11 22:00:59 C 22 14 24.04 -15 06 56.3 q 987
2017-10-11 22:01:10 C 22 14 22.70 -15 07 13.2 q 987
2017-10-11 22:01:19 C 22 14 21.46 -15 07 29.7 q 987
2017-10-11 22:02:08 C 22 14 15.62 -15 08 47.4 q 987
2017-10-11 22:02:27 C 22 14 13.23 -15 09 19.1 q 987
2017-10-11 22:13:42 C 22 11 04.78 -15 16 27.9 q 160
2017-10-11 22:14:57 C 22 12 17.44 -15 27 49.3 U J95
2017-10-11 22:16:54 C 22 12 01.95 -15 31 09.5 U J95
2017-10-11 22:18:56 C 22 11 45.77 -15 34 38.3 U J95
2017-10-11 22:22:49 C 22 08 20.49 -13 11 52.6 U K93
2017-10-11 22:23:34 C 22 08 14.13 -13 12 55.6 U K93
2017-10-11 22:24:18 C 22 08 07.78 -13 13 58.5 U K93
2017-10-11 22:25:47 C 22 07 54.99 -13 16 04.7 U K93
2017-10-11 22:26:31 C 22 07 48.58 -13 17 07.9 U K93
2017-10-11 22:27:15 C 22 07 42.14 -13 18 11.6 U K93
2017-10-11 22:27:59 C 22 07 35.68 -13 19 15.5 U K93
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)