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
2017-10-08 21:03:48 C 22 58 35.40 -02 44 54.1 U J69
2017-10-08 21:06:42 C 22 58 11.42 -02 43 54.4 v B18
2017-10-08 21:12:16 C 22 58 29.64 -02 44 13.1 q C77
2017-10-08 21:12:18 C 22 58 10.37 -02 44 00.1 v B18
2017-10-08 21:17:54 C 22 58 09.32 -02 44 05.4 v B18
2017-10-08 21:23:30 C 22 58 08.31 -02 44 10.9 v B18
2017-10-08 21:27:41 C 22 58 30.67 -02 45 24.8 U Z80
2017-10-08 21:29:07 C 22 58 07.27 -02 44 16.5 v B18
2017-10-08 21:34:43 C 22 58 06.26 -02 44 21.9 v B18
2017-10-08 21:35:50 C 22 58 22.90 -02 44 33.3 q 160
2017-10-08 21:35:56 C 22 58 29.03 -02 45 33.3 U Z80
2017-10-08 21:39:36 C 22 58 22.10 -02 44 37.0 q 160
2017-10-08 21:40:20 C 22 58 05.24 -02 44 27.4 v B18
2017-10-08 21:43:24 C 22 58 21.31 -02 44 41.0 q 160
2017-10-08 21:43:50 C 22 58 27.59 -02 45 40.6 U Z80
2017-10-08 21:45:56 C 22 58 04.26 -02 44 32.8 v B18
2017-10-08 21:56:05 C 22 58 19.17 -02 45 49.3 S 033
2017-10-08 21:56:48 C 22 58 29.99 -02 42 59.8 u J43
2017-10-08 21:57:09 C 22 58 02.31 -02 44 43.7 v B18
2017-10-08 21:59:23 C 22 58 18.57 -02 45 52.7 S 033
2017-10-08 22:02:45 C 22 58 01.35 -02 44 49.2 v B18
2017-10-08 22:08:21 C 22 58 00.39 -02 44 54.7 v B18
2017-10-08 22:08:25 C 22 58 27.29 -02 43 11.6 u J43
2017-10-08 22:12:01 C 22 58 23.89 -02 44 43.9 S J27
2017-10-08 22:19:32 C 22 57 58.55 -02 45 05.7 v B18
2017-10-08 22:20:01 C 22 58 24.53 -02 43 23.9 u J43
2017-10-08 22:21:36 C 22 58 21.79 -02 44 54.1 S J27
2017-10-08 22:23:13 C 22 58 20.43 -02 46 18.4 U J69
2017-10-08 22:23:59 C 22 58 13.97 -02 46 18.4 S 033
2017-10-08 22:27:19 C 22 58 13.35 -02 46 21.9 S 033
2017-10-08 22:30:37 C 22 58 12.74 -02 46 25.3 S 033
2017-10-08 22:34:05 C 22 58 18.33 -02 46 30.1 U J69
2017-10-08 22:44:57 C 22 58 16.22 -02 46 41.2 U J69
2017-10-08 22:45:02 C 22 58 16.70 -02 45 18.7 S J27
2017-10-08 23:13:01 C 22 58 18.76 -02 43 52.5 q J22
2017-10-08 23:18:24 C 22 58 17.43 -02 43 57.9 q J22
2017-10-08 23:23:48 C 22 58 16.11 -02 44 03.8 q J22
2017-10-09 03:10:09 C 22 58 23.36 -02 49 11.2 U H01
2017-10-09 03:33:13 C 22 58 18.00 -02 49 39.8 U H01
2017-10-09 03:55:40 C 22 58 12.58 -02 50 07.7 U H01
2017-10-09 04:05:56 C 22 58 19.30 -02 50 57.3 t G58
2017-10-09 04:09:17 C 22 58 18.59 -02 51 01.3 t G58
2017-10-09 04:23:15 C 22 58 15.40 -02 51 19.1 t G58
2017-10-09 04:29:39 C 22 58 13.94 -02 51 27.0 t G58
2017-10-09 04:50:06 C 22 57 58.83 -02 51 15.2 U H01
2017-10-09 05:12:29 C 22 57 53.03 -02 51 42.9 U H01
2017-10-09 13:07:59 C 22 57 25.28 -03 02 33.3 q D29
2017-10-09 13:09:46 C 22 57 24.75 -03 02 36.2 q D29
2017-10-09 13:11:33 C 22 57 24.24 -03 02 38.9 q D29
2017-10-09 13:13:19 C 22 57 23.72 -03 02 41.6 q D29
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)