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 18:39:58 C 22 30 45.75 -11 05 54.1 q C47
2017-10-11 18:40:41 C 22 31 05.39 -11 05 55.9 t 198
2017-10-11 18:41:06 C 22 30 05.57 -11 04 08.1 v 073
2017-10-11 18:42:06 C 22 30 39.52 -11 09 04.8 U G34
2017-10-11 18:42:56 C 22 30 36.47 -11 09 48.2 U G34
2017-10-11 18:43:34 C 22 30 54.74 -11 08 25.0 t 198
2017-10-11 18:43:45 C 22 30 33.28 -11 10 31.1 U G34
2017-10-11 18:44:35 C 22 30 30.21 -11 11 14.3 U G34
2017-10-11 18:45:24 C 22 30 27.11 -11 11 57.6 U G34
2017-10-11 18:46:01 C 22 31 05.64 -11 06 38.9 q K19
2017-10-11 18:46:14 C 22 30 23.96 -11 12 40.5 U G34
2017-10-11 18:46:26 C 22 30 44.01 -11 10 55.1 t 198
2017-10-11 18:47:04 C 22 30 20.83 -11 13 23.5 U G34
2017-10-11 18:47:04 C 22 31 01.66 -11 07 33.9 q K19
2017-10-11 18:48:03 C 22 29 37.84 -11 10 03.7 v 073
2017-10-11 18:48:07 C 22 30 57.69 -11 08 29.2 q K19
2017-10-11 18:49:19 C 22 30 33.13 -11 13 26.5 t 198
2017-10-11 18:52:11 C 22 30 22.15 -11 15 59.1 t 198
2017-10-11 18:53:21 C 22 29 56.71 -11 18 56.2 U G34
2017-10-11 18:54:11 C 22 29 53.56 -11 19 40.1 U G34
2017-10-11 18:54:23 C 22 30 11.603 -11 14 43.33 U 598
2017-10-11 18:55:01 C 22 29 50.28 -11 20 24.1 U G34
2017-10-11 18:55:04 C 22 30 11.05 -11 18 33.1 t 198
2017-10-11 18:56:20 C 22 30 44.33 -11 13 08.8 q 006
2017-10-11 18:56:38 C 22 30 02.573 -11 16 44.53 U 598
2017-10-11 18:56:40 C 22 29 43.90 -11 21 52.9 U G34
2017-10-11 18:56:51 C 22 30 42.40 -11 13 35.6 q 006
2017-10-11 18:57:20 C 22 30 40.44 -11 14 02.9 q 006
2017-10-11 18:57:42 C 22 30 20.61 -11 16 59.9 q K19
2017-10-11 18:57:50 C 22 30 38.43 -11 14 30.1 q 006
2017-10-11 18:58:20 C 22 30 36.51 -11 14 56.9 q 006
2017-10-11 18:58:33 C 22 30 17.29 -11 17 46.3 q K19
2017-10-11 18:58:51 C 22 30 34.53 -11 15 23.8 q 006
2017-10-11 18:59:20 C 22 30 32.57 -11 15 50.9 q 006
2017-10-11 18:59:22 C 22 29 51.668 -11 19 10.75 U 598
2017-10-11 18:59:27 C 22 30 13.71 -11 18 34.8 q K19
2017-10-11 18:59:50 C 22 30 30.56 -11 16 18.8 q 006
2017-10-11 19:00:21 C 22 30 28.60 -11 16 46.1 q 006
2017-10-11 19:00:51 C 22 30 26.69 -11 17 13.0 q 006
2017-10-11 19:01:20 C 22 30 24.67 -11 17 40.2 q 006
2017-10-11 19:02:20 C 22 29 39.539 -11 21 53.03 U 598
2017-10-11 19:02:21 C 22 30 20.69 -11 18 35.0 q 006
2017-10-11 19:02:50 C 22 30 18.67 -11 19 02.6 q 006
2017-10-11 19:03:20 C 22 30 16.68 -11 19 29.7 q 006
2017-10-11 19:03:50 C 22 30 14.70 -11 19 57.6 q 006
2017-10-11 19:04:21 C 22 30 12.65 -11 20 24.7 q 006
2017-10-11 19:04:50 C 22 30 10.68 -11 20 52.1 q 006
2017-10-11 19:05:20 C 22 30 08.63 -11 21 19.8 q 006
2017-10-11 19:05:51 C 22 30 06.63 -11 21 47.4 q 006
2017-10-11 19:06:20 C 22 30 04.57 -11 22 16.2 q 006
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)