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 08:10:18 C 22 53 54.97 -03 44 33.2 U H01
2017-10-10 08:21:30 C 22 54 37.86 -03 41 09.7 L T08
2017-10-10 11:26:04 C 22 54 31.58 -03 56 02.4 r P93
2017-10-10 11:27:23 C 22 54 30.88 -03 56 07.5 r P93
2017-10-10 15:05:39 C 22 52 30.94 -04 10 19.6 r P93
2017-10-10 15:09:38 C 22 52 28.73 -04 10 35.9 r P93
2017-10-10 18:01:09 C 22 53 02.20 -04 27 12.5 t 073
2017-10-10 18:30:38 C 22 52 44.95 -04 29 51.1 t 073
2017-10-10 19:01:19 C 22 52 26.04 -04 32 37.9 t 073
2017-10-10 19:27:52 C 22 52 30.13 -04 34 54.9 q K78
2017-10-10 19:32:00 C 22 52 06.15 -04 35 30.5 t 073
2017-10-10 19:37:42 C 22 52 23.84 -04 36 24.1 U 587
2017-10-10 19:40:10 C 22 52 22.31 -04 36 38.2 U 587
2017-10-10 19:40:50 C 22 52 21.91 -04 36 09.7 q K78
2017-10-10 19:42:38 C 22 52 20.78 -04 36 52.3 U 587
2017-10-10 19:53:04 C 22 52 14.09 -04 37 20.2 q K78
2017-10-10 20:00:14 C 22 52 14.83 -04 37 58.3 d A77
2017-10-10 20:01:28 C 22 51 46.65 -04 38 16.4 t 073
2017-10-10 20:03:36 C 22 52 12.64 -04 38 17.9 d A77
2017-10-10 20:05:44 C 22 51 51.19 -04 05 42.9 L32
2017-10-10 20:06:59 C 22 51 50.26 -04 05 49.0 L32
2017-10-10 20:07:08 C 22 52 10.33 -04 38 38.7 d A77
2017-10-10 20:08:20 C 22 51 49.26 -04 05 55.5 L32
2017-10-10 20:09:35 C 22 51 48.35 -04 06 01.4 L32
2017-10-10 20:11:09 C 22 51 47.18 -04 06 09.1 L32
2017-10-10 20:12:24 C 22 51 46.25 -04 06 15.2 L32
2017-10-10 20:12:30 C 22 52 00.31 -04 39 42.9 U 130
2017-10-10 20:13:49 C 22 51 45.20 -04 06 22.0 L32
2017-10-10 20:15:00 C 22 51 44.32 -04 06 27.7 L32
2017-10-10 20:16:17 C 22 51 43.35 -04 06 34.0 L32
2017-10-10 20:17:39 C 22 51 42.33 -04 06 40.6 L32
2017-10-10 20:19:08 C 22 51 41.23 -04 06 47.8 L32
2017-10-10 20:20:22 C 22 51 40.32 -04 06 53.7 L32
2017-10-10 20:21:44 C 22 51 39.28 -04 07 00.5 L32
2017-10-10 20:23:07 C 22 51 38.25 -04 07 07.2 L32
2017-10-10 20:24:18 C 22 51 37.35 -04 07 13.0 L32
2017-10-10 20:25:09 C 22 51 55.84 -04 40 33.5 q C77
2017-10-10 20:25:30 C 22 51 36.46 -04 07 18.8 L32
2017-10-10 20:26:48 C 22 51 54.72 -04 40 43.6 q C77
2017-10-10 20:28:10 C 22 51 49.82 -04 41 16.4 U 130
2017-10-10 20:28:16 C 22 51 34.37 -04 07 32.4 L32
2017-10-10 20:28:27 C 22 51 53.61 -04 40 53.4 q C77
2017-10-10 20:30:03 C 22 51 47.69 -04 40 52.3 q 108
2017-10-10 20:30:06 C 22 51 52.47 -04 41 03.2 q C77
2017-10-10 20:30:43 C 22 51 32.53 -04 07 44.3 L32
2017-10-10 20:31:41 C 22 51 46.59 -04 41 01.2 q 108
2017-10-10 20:31:44 C 22 51 51.38 -04 41 13.1 q C77
2017-10-10 20:31:53 C 22 51 31.63 -04 07 50.1 L32
2017-10-10 20:33:20 C 22 51 30.56 -04 07 57.1 L32
2017-10-10 20:33:29 C 22 51 50.19 -04 41 23.5 q C77
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)