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 19:06:33 C 22 29 25.55 -11 28 59.9 t 198
2017-10-11 19:06:50 C 22 30 02.53 -11 22 43.5 q 006
2017-10-11 19:07:20 C 22 30 00.57 -11 23 10.6 q 006
2017-10-11 19:07:26 C 22 29 41.51 -11 25 54.1 q K19
2017-10-11 19:07:51 C 22 29 58.54 -11 23 38.3 q 006
2017-10-11 19:08:30 C 22 29 37.21 -11 26 53.2 q K19
2017-10-11 19:09:21 C 22 28 08.54 -11 29 00.0 v 073
2017-10-11 19:09:32 C 22 29 09.802 -11 28 29.18 U 598
2017-10-11 19:09:33 C 22 29 32.90 -11 27 51.5 q K19
2017-10-11 19:12:18 C 22 29 02.12 -11 34 21.5 t 198
2017-10-11 19:14:05 C 22 28 53.80 -11 36 01.4 q K40
2017-10-11 19:14:57 C 22 28 50.22 -11 36 50.5 q K40
2017-10-11 19:17:39 C 22 28 59.12 -11 35 28.9 q K19
2017-10-11 19:18:42 C 22 28 54.65 -11 36 29.1 q K19
2017-10-11 19:19:44 C 22 28 50.08 -11 37 29.8 q K19
2017-10-11 19:20:01 C 22 28 25.032 -11 38 21.47 U 598
2017-10-11 19:21:02 C 22 28 25.54 -11 42 39.2 t 198
2017-10-11 19:24:53 C 22 28 01.96 -11 47 17.9 q K74
2017-10-11 19:27:39 C 22 28 15.89 -11 45 08.7 q K19
2017-10-11 19:27:48 C 22 26 46.05 -11 46 19.3 v 073
2017-10-11 19:27:57 C 22 27 48.66 -11 50 17.3 q K74
2017-10-11 19:28:48 C 22 28 10.80 -11 46 17.4 q K19
2017-10-11 19:29:09 C 22 27 43.39 -11 51 28.8 q K74
2017-10-11 19:30:39 C 22 27 38.033 -11 48 39.22 U 598
2017-10-11 19:30:54 C 22 27 44.16 -11 50 08.8 U 587
2017-10-11 19:31:40 C 22 27 40.75 -11 50 53.7 U 587
2017-10-11 19:32:06 C 22 27 37.57 -11 53 27.9 t 198
2017-10-11 19:32:48 C 22 27 35.67 -11 52 01.6 U 587
2017-10-11 19:34:16 C 22 27 20.84 -11 56 32.9 q K74
2017-10-11 19:35:53 C 22 27 13.65 -11 58 09.5 q K74
2017-10-11 19:36:33 C 22 27 16.65 -11 57 55.8 q K40
2017-10-11 19:37:11 C 22 27 07.85 -11 59 27.6 q K74
2017-10-11 19:37:48 C 22 27 11.18 -11 59 08.7 q K40
2017-10-11 19:38:28 C 22 27 02.07 -12 00 45.3 q K74
2017-10-11 19:39:25 C 22 27 04.79 -12 00 48.4 t 198
2017-10-11 19:39:42 C 22 27 02.50 -12 01 05.8 q K40
2017-10-11 19:47:30 C 22 25 12.58 -12 05 48.6 v 073
2017-10-11 19:53:02 C 22 25 54.57 -12 15 48.2 q K74
2017-10-11 19:53:46 C 22 25 58.00 -12 15 40.9 t 198
2017-10-11 19:55:41 C 22 25 41.91 -12 18 36.8 q K74
2017-10-11 19:58:35 C 22 25 28.10 -12 16 53.0 q 160
2017-10-11 19:59:36 C 22 25 23.03 -12 22 47.8 q K74
2017-10-11 20:00:54 C 22 25 22.47 -12 21 50.8 o B67
2017-10-11 20:01:25 C 22 25 14.22 -12 24 44.7 q K74
2017-10-11 20:02:45 C 22 25 13.15 -12 23 54.2 o B67
2017-10-11 20:04:24 C 22 25 04.88 -12 25 42.4 o B67
2017-10-11 20:05:11 C 22 24 54.79 -12 23 59.7 q 160
2017-10-11 20:06:04 C 22 24 56.64 -12 27 30.2 o B67
2017-10-11 20:17:38 C 22 23 50.12 -12 37 46.0 q 160
2017-10-11 20:18:00 n 22 24 31.90 -12 35 53.9 q 619
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)