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
2017-10-11 22:28:44 C 22 07 29.19 -13 20 19.5 U K93
2017-10-11 22:29:28 C 22 07 22.68 -13 21 24.0 U K93
2017-10-11 22:30:12 C 22 07 16.21 -13 22 27.9 U K93
2017-10-11 22:30:57 C 22 07 09.68 -13 23 32.0 U K93
2017-10-11 22:31:41 C 22 07 03.15 -13 24 36.9 U K93
2017-10-11 22:32:25 C 22 06 56.60 -13 25 41.5 U K93
2017-10-11 22:33:09 C 22 06 50.00 -13 26 46.6 U K93
2017-10-11 22:34:38 C 22 06 36.78 -13 28 57.2 U K93
2017-10-11 22:35:22 C 22 06 30.15 -13 30 03.2 U K93
2017-10-11 22:36:06 C 22 06 23.50 -13 31 08.4 U K93
2017-10-11 22:36:51 C 22 06 16.87 -13 32 14.4 U K93
2017-10-11 22:48:50 C 22 06 27.69 -16 25 58.8 L 033
2017-10-11 22:50:32 C 22 06 12.06 -16 29 16.4 L 033
2017-10-11 23:05:37 C 22 04 51.49 -17 02 58.8 U J95
2017-10-11 23:09:22 C 22 04 14.36 -17 10 49.2 U J95
2017-10-12 00:56:44 C 21 52 21.57 -22 02 01.4 q H36
2017-10-12 00:57:03 C 21 52 16.16 -22 03 14.7 q H36
2017-10-12 00:58:21 C 21 51 54.45 -22 08 13.4 q H36
2017-10-12 00:59:00 C 21 51 43.52 -22 10 41.6 q H36
2017-10-12 01:00:23 C 21 51 19.73 -22 16 07.6 q H36
2017-10-12 01:56:48 C 21 30 41.93 -26 34 51.8 q V83
2017-10-12 02:04:32 C 21 27 05.67 -27 17 15.8 q V83
2017-10-12 03:17:53 C 20 39 54.70 -35 44 19.4 U H01
2017-10-12 03:27:39 C 20 29 42.14 -37 08 42.8 U H01
2017-10-12 03:37:26 C 20 18 13.62 -38 36 04.5 U H01
2017-10-12 03:52:08 C 19 58 15.84 -40 50 24.3 U H01
2017-10-13 11:45:09 C 10 26 49.80 +10 45 35.1 U H01
2017-10-13 11:48:42 C 10 26 47.44 +10 46 03.3 U H01
2017-10-14 11:57:05 C 10 20 19.84 +12 17 23.3 t H01
2017-10-14 12:01:11 C 10 20 18.69 +12 17 34.9 t H01
2017-10-14 12:14:07 C 10 20 15.02 +12 18 09.9 t H01
2017-10-18 11:26:38 C 10 15 35.28 +13 27 46.4 U H01
2017-10-18 11:49:33 C 10 15 33.94 +13 27 58.0 U H01
2017-10-21 14:47:39 C 10 15 17.147 +13 38 33.88 U T14
2017-10-21 14:53:21 C 10 15 16.934 +13 38 35.36 U T14
2017-10-21 14:59:04 C 10 15 16.723 +13 38 36.73 U T14
2017-12-14 07:05:52 C 10 33 09.919 +12 01 10.63 U 309
2017-12-14 07:12:57 C 10 33 09.744 +12 01 11.33 U 309
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)