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 16:46:44 C 22 59 01.69 -02 39 39.5 v B18
2017-10-08 16:52:20 C 22 59 00.74 -02 39 45.0 v B18
2017-10-08 16:57:57 C 22 58 59.77 -02 39 50.6 v B18
2017-10-08 17:03:33 C 22 58 58.80 -02 39 56.1 v B18
2017-10-08 17:09:10 C 22 58 57.82 -02 40 01.6 v B18
2017-10-08 17:14:46 C 22 58 56.81 -02 40 07.2 v B18
2017-10-08 17:20:23 C 22 58 55.80 -02 40 12.8 v B18
2017-10-08 17:25:59 C 22 58 54.79 -02 40 18.3 v B18
2017-10-08 17:31:35 C 22 58 53.76 -02 40 23.9 v B18
2017-10-08 17:37:11 C 22 58 52.72 -02 40 29.3 v B18
2017-10-08 17:38:18 C 22 58 52.52 -02 40 30.6 v B18
2017-10-08 17:42:48 C 22 58 51.69 -02 40 35.0 v B18
2017-10-08 17:53:59 C 22 58 49.58 -02 40 46.0 v B18
2017-10-08 17:59:36 C 22 58 48.51 -02 40 51.6 v B18
2017-10-08 18:10:48 C 22 58 46.34 -02 41 02.6 v B18
2017-10-08 18:53:04 C 22 58 37.97 -02 41 44.0 v B18
2017-10-08 18:58:40 C 22 58 36.85 -02 41 49.5 v B18
2017-10-08 19:02:21 C 22 58 50.60 -02 42 48.6 S 033
2017-10-08 19:04:17 C 22 58 35.71 -02 41 55.0 v B18
2017-10-08 19:05:39 C 22 58 50.06 -02 42 52.2 S 033
2017-10-08 19:08:58 C 22 58 49.56 -02 42 55.2 S 033
2017-10-08 19:09:53 C 22 58 34.60 -02 42 00.5 v B18
2017-10-08 19:21:06 C 22 58 32.34 -02 42 11.4 v B18
2017-10-08 19:26:43 C 22 58 31.21 -02 42 16.9 v B18
2017-10-08 19:32:19 C 22 58 30.07 -02 42 22.3 v B18
2017-10-08 19:43:31 C 22 58 27.81 -02 42 33.2 v B18
2017-10-08 19:46:46 C 22 58 45.07 -02 42 42.8 18.8 t K63
2017-10-08 19:49:08 C 22 58 26.69 -02 42 38.8 v B18
2017-10-08 19:52:21 C 22 58 43.96 -02 42 48.6 18.6 t K63
2017-10-08 19:54:44 C 22 58 25.55 -02 42 44.3 v B18
2017-10-08 19:59:52 C 22 58 42.52 -02 42 55.7 18.5 t K63
2017-10-08 20:00:19 C 22 58 24.42 -02 42 49.6 v B18
2017-10-08 20:08:14 C 22 58 44.84 -02 44 00.3 U Z80
2017-10-08 20:10:32 C 22 58 40.28 -02 43 06.9 18.3 U 104
2017-10-08 20:11:32 C 22 58 22.19 -02 43 00.6 v B18
2017-10-08 20:17:47 C 22 58 43.14 -02 44 09.6 U Z80
2017-10-08 20:19:45 C 22 58 38.44 -02 43 16.5 18.4 U 104
2017-10-08 20:23:35 C 22 58 39.47 -02 43 22.7 q C77
2017-10-08 20:28:21 C 22 58 18.85 -02 43 17.3 v B18
2017-10-08 20:28:59 C 22 58 36.60 -02 43 26.0 18.4 U 104
2017-10-08 20:33:57 C 22 58 17.75 -02 43 22.6 v B18
2017-10-08 20:35:53 C 22 58 37.08 -02 43 35.3 q C77
2017-10-08 20:39:33 C 22 58 16.65 -02 43 28.2 v B18
2017-10-08 20:47:56 C 22 58 34.67 -02 43 48.0 q C77
2017-10-08 20:50:13 C 22 58 37.86 -02 44 39.6 U J69
2017-10-08 20:50:47 C 22 58 14.46 -02 43 39.2 v B18
2017-10-08 20:55:30 C 22 58 13.56 -02 43 43.6 v B18
2017-10-08 20:56:11 C 22 58 36.78 -02 44 46.2 U J69
2017-10-08 21:00:13 C 22 58 32.17 -02 44 00.7 q C77
2017-10-08 21:01:05 C 22 58 12.49 -02 43 49.2 v B18
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)