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
2017-10-07 01:28:25 C 23 00 30.42 -02 13 29.8 U W34
2017-10-07 01:44:23 C 23 00 28.44 -02 13 37.4 U W34
2017-10-07 02:08:03 C 23 00 25.37 -02 13 48.1 U W34
2017-10-07 02:24:20 C 23 00 23.26 -02 13 54.9 U W34
2017-10-07 02:28:14 C 23 00 22.75 -02 13 56.6 U W34
2017-10-07 04:22:50 C 23 00 01.79 -02 06 40.2 U W85
2017-10-07 04:32:17 C 23 00 00.53 -02 06 43.6 U W85
2017-10-07 04:41:43 C 22 59 59.28 -02 06 47.3 U W85
2017-10-07 04:51:10 C 22 59 58.04 -02 06 50.7 U W85
2017-10-07 04:53:46 C 23 00 13.58 -02 14 57.0 U H01
2017-10-07 05:00:37 C 22 59 56.84 -02 06 54.1 U W85
2017-10-07 05:08:09 C 22 59 55.87 -02 06 56.9 U W85
2017-10-07 05:11:06 C 23 00 11.13 -02 15 05.2 U H01
2017-10-07 05:17:39 C 22 59 54.69 -02 07 00.5 U W85
2017-10-07 05:25:09 C 23 00 09.12 -02 15 11.7 U H01
2017-10-07 05:36:45 C 23 00 07.48 -02 15 17.2 U H01
2017-10-07 10:13:34 C 23 00 14.35 -02 08 58.6 U Q62
2017-10-07 10:46:22 C 23 00 09.69 -02 09 13.7 U Q62
2017-10-07 11:25:44 C 23 00 03.81 -02 09 31.6 U Q62
2017-10-07 20:08:06 C 22 59 48.02 -02 24 11.2 18.2 U 104
2017-10-07 20:12:40 C 23 00 01.59 -02 22 18.4 t G40
2017-10-07 20:19:43 C 23 00 00.57 -02 22 22.4 t G40
2017-10-07 20:33:41 C 22 59 58.60 -02 22 31.3 t G40
2017-10-07 20:52:16 C 22 59 41.50 -02 24 39.5 18.7 U 104
2017-10-07 21:03:15 C 22 59 39.87 -02 24 45.8 18.6 U 104
2017-10-07 23:02:08 C 22 59 34.77 -02 24 10.0 q J22
2017-10-07 23:07:33 C 22 59 33.82 -02 24 11.7 q J22
2017-10-07 23:12:58 C 22 59 32.86 -02 24 15.1 q J22
2017-10-08 08:52:32 C 22 59 02.88 -02 29 45.5 L T05
2017-10-08 08:55:58 C 22 59 02.25 -02 29 48.0 L T05
2017-10-08 09:06:09 C 22 59 00.02 -02 29 55.6 L T05
2017-10-08 10:25:38 C 22 59 24.64 -02 32 58.9 r P93
2017-10-08 10:27:57 C 22 59 24.25 -02 33 00.5 r P93
2017-10-08 10:30:17 C 22 59 23.90 -02 33 02.8 r P93
2017-10-08 10:32:36 C 22 59 23.57 -02 33 04.4 r P93
2017-10-08 10:34:55 C 22 59 23.15 -02 33 07.8 r P93
2017-10-08 13:32:57 C 22 58 58.40 -02 35 20.9 q D29
2017-10-08 13:52:03 C 22 58 54.44 -02 35 37.8 q D29
2017-10-08 14:11:08 C 22 58 50.49 -02 35 54.0 q D29
2017-10-08 15:46:12 C 22 59 11.09 -02 38 40.5 v B18
2017-10-08 15:49:34 C 22 59 10.61 -02 38 43.8 v B18
2017-10-08 15:56:18 C 22 59 09.64 -02 38 50.2 v B18
2017-10-08 16:01:54 C 22 59 08.81 -02 38 55.7 v B18
2017-10-08 16:07:31 C 22 59 07.97 -02 39 01.1 v B18
2017-10-08 16:13:08 C 22 59 07.11 -02 39 06.5 v B18
2017-10-08 16:18:44 C 22 59 06.24 -02 39 12.4 v B18
2017-10-08 16:24:19 C 22 59 05.35 -02 39 17.7 v B18
2017-10-08 16:29:55 C 22 59 04.47 -02 39 23.3 v B18
2017-10-08 16:35:32 C 22 59 03.56 -02 39 28.7 v B18
2017-10-08 16:41:08 C 22 59 02.62 -02 39 34.2 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)