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 20:20:00 C 22 23 37.95 -12 44 03.8 q 215
2017-10-11 20:20:28 C 22 23 35.48 -12 44 36.2 q 215
2017-10-11 20:20:56 C 22 23 32.99 -12 45 08.1 q 215
2017-10-11 20:21:25 C 22 23 30.49 -12 45 40.7 q 215
2017-10-11 20:21:46 C 22 22 15.42 -12 42 25.3 v 073
2017-10-11 20:21:52 C 22 23 27.99 -12 46 12.8 q 215
2017-10-11 20:22:17 C 22 23 25.09 -12 43 04.9 q 160
2017-10-11 20:22:21 C 22 23 25.47 -12 46 45.5 q 215
2017-10-11 20:22:50 C 22 23 22.99 -12 47 17.9 q 215
2017-10-11 20:23:18 C 22 23 20.48 -12 47 50.9 q 215
2017-10-11 20:23:47 C 22 23 17.85 -12 48 24.8 q 215
2017-10-11 20:24:15 C 22 23 15.35 -12 48 56.8 q 215
2017-10-11 20:33:55 C 22 21 07.81 -12 56 18.8 v 073
2017-10-11 20:35:55 C 22 22 18.17 -13 00 53.1 U 587
2017-10-11 20:36:00 C 22 22 17.74 -13 00 58.8 U 587
2017-10-11 20:36:23 C 22 22 15.54 -13 01 26.6 U 587
2017-10-11 20:36:51 C 22 22 12.96 -13 02 00.0 U 587
2017-10-11 20:45:29 C 22 22 47.70 -13 07 48.9 q J15
2017-10-11 20:46:15 C 22 22 43.41 -13 08 45.1 q J15
2017-10-11 20:47:02 C 22 22 38.97 -13 09 43.8 q J15
2017-10-11 20:47:31 C 22 19 48.81 -13 12 31.2 v 073
2017-10-11 20:47:47 C 22 21 02.98 -13 19 26.3 q 134
2017-10-11 20:47:47 C 22 22 34.53 -13 10 40.5 q J15
2017-10-11 20:48:01 C 22 21 01.70 -13 19 43.6 q 134
2017-10-11 20:48:16 C 22 21 00.29 -13 20 01.0 q 134
2017-10-11 20:48:27 C 22 22 30.61 -13 11 31.9 q J15
2017-10-11 20:48:29 C 22 20 58.98 -13 20 18.4 q 134
2017-10-11 20:48:43 C 22 20 57.67 -13 20 35.5 q 134
2017-10-11 20:48:56 C 22 20 56.37 -13 20 52.6 q 134
2017-10-11 20:49:11 C 22 20 54.96 -13 21 10.5 q 134
2017-10-11 20:49:12 C 22 22 26.17 -13 12 30.1 q J15
2017-10-11 20:49:41 C 22 20 52.14 -13 21 47.1 q 134
2017-10-11 20:49:55 C 22 20 50.71 -13 22 05.5 q 134
2017-10-11 20:49:57 C 22 22 21.77 -13 13 26.3 q J15
2017-10-11 20:50:10 C 22 20 49.27 -13 22 24.5 q 134
2017-10-11 20:50:30 C 22 21 44.79 -13 23 23.3 U J95
2017-10-11 20:50:40 C 22 22 17.54 -13 14 21.8 q J15
2017-10-11 20:51:24 C 22 22 13.34 -13 15 15.7 q J15
2017-10-11 20:52:07 C 22 22 09.29 -13 16 10.8 q J15
2017-10-11 20:52:38 C 22 20 34.93 -13 25 31.7 q 134
2017-10-11 20:52:47 C 22 22 05.19 -13 17 03.6 q J15
2017-10-11 20:52:52 C 22 20 33.60 -13 25 48.3 q 134
2017-10-11 20:53:06 C 22 20 32.27 -13 26 05.8 q 134
2017-10-11 20:53:17 C 22 21 28.90 -13 26 56.5 U J95
2017-10-11 20:53:19 C 22 20 30.94 -13 26 22.7 q 134
2017-10-11 20:53:31 C 22 22 00.95 -13 17 58.4 q J15
2017-10-11 20:53:33 C 22 20 29.62 -13 26 40.8 q 134
2017-10-11 20:53:46 C 22 20 28.29 -13 26 57.8 q 134
2017-10-11 20:54:00 C 22 20 26.98 -13 27 14.7 q 134
2017-10-11 20:54:14 C 22 20 25.62 -13 27 32.9 q 134
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)