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
2012-10-10 18:57:11 C 23 14 44.05 +00 22 42.4 u J95
2012-10-10 18:57:37 C 23 14 40.70 +00 24 25.3 o B04
2012-10-10 18:59:31 C 23 14 42.13 +00 22 23.8 u J95
2012-10-10 19:05:17 C 23 14 33.95 +00 23 23.5 o B04
2012-10-10 19:29:25 C 23 13 41.41 +00 19 46.3 u 089
2012-10-10 19:32:16 C 23 13 38.60 +00 19 22.7 u 089
2012-10-10 19:35:07 C 23 13 35.80 +00 18 59.1 u 089
2012-10-10 19:37:58 C 23 13 32.99 +00 18 35.1 u 089
2012-10-10 19:40:49 C 23 13 30.16 +00 18 11.8 u 089
2012-10-10 20:07:01 C 23 14 16.89 +00 21 30.9 u G40
2012-10-10 20:14:09 C 23 14 09.94 +00 20 32.0 u G40
2012-10-10 20:15:32 C 23 13 20.99 +00 15 09.9 o 470
2012-10-10 20:16:45 C 23 13 19.74 +00 14 59.6 o 470
2012-10-10 20:17:57 C 23 13 18.49 +00 14 49.3 o 470
2012-10-10 20:44:18 C 23 13 39.60 +00 16 15.6 u G40
2012-10-10 21:13:33 C 23 13 08.25 +00 11 58.7 u G40
2012-10-10 21:38:37 C 23 11 58.03 +00 01 14.7 q 204
2012-10-10 21:40:22 C 23 11 56.10 +00 00 58.4 q 204
2012-10-10 21:42:07 C 23 11 54.17 +00 00 41.9 q 204
2012-10-10 21:43:51 C 23 11 52.23 +00 00 25.6 q 204
2012-10-10 21:45:37 C 23 11 50.30 +00 00 09.2 q 204
2012-10-11 00:46:34 C 23 10 37.91 -00 28 31.8 r H21
2012-10-11 00:50:08 C 23 10 33.66 -00 29 12.1 r H21
2012-10-11 00:53:41 C 23 10 29.40 -00 29 52.2 r H21
2012-10-11 00:57:14 C 23 10 25.10 -00 30 33.4 r H21
2012-10-11 01:00:46 C 23 10 20.79 -00 31 14.1 r H21
2012-10-11 01:04:19 C 23 10 16.43 -00 31 55.8 r H21
2012-10-11 01:06:41 C 23 10 13.50 -00 32 23.3 r H21
2012-10-11 02:23:51 C 23 09 05.19 -00 45 27.9 U H01
2012-10-11 02:25:11 C 23 09 11.60 -00 44 44.2 o 695
2012-10-11 02:26:31 C 23 09 09.82 -00 45 00.7 o 695
2012-10-11 02:27:21 C 23 09 08.68 -00 45 11.5 o 695
2012-10-11 02:35:09 C 23 08 49.53 -00 47 52.2 U H01
2012-10-11 03:03:20 C 23 08 08.84 -00 54 00.5 U H01
2012-10-11 03:42:15 C 23 07 08.86 -01 02 50.7 U H01
2012-10-11 04:04:33 C 23 06 32.58 -01 08 06.3 U H01
2012-10-11 05:09:43 C 23 04 34.98 -01 26 56.5 P 716
2012-10-11 05:40:38 C 23 03 38.93 -01 35 10.2 P 716
2012-10-11 06:10:30 C 23 02 43.12 -01 43 25.6 P 716
2012-10-11 06:40:19 C 23 01 45.80 -01 51 59.8 P 716
2012-10-11 07:13:34 C 23 00 40.45 -02 01 57.6 P 716
2012-10-11 11:50:44 C 22 53 56.819 -03 46 29.68 U 300
2012-10-11 11:58:46 C 22 53 32.212 -03 50 24.26 U 300
2012-10-11 13:34:54 C 22 48 06.230 -04 41 36.63 U 300
2012-10-11 14:26:31 C 22 44 47.186 -05 12 55.61 U 300
2012-10-11 17:06:17 C 22 38 28.127 -07 26 12.88 U 461
2012-10-11 17:16:05 C 22 37 38.288 -07 35 36.30 U 461
2012-10-11 17:44:48 C 22 35 03.419 -08 04 23.98 U 461
2012-10-11 17:50:29 C 22 34 44.461 -08 11 52.51 U 113
2012-10-11 17:53:49 C 22 34 25.620 -08 15 25.02 U 113
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)