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 20:54:14 C 22 21 56.66 -13 18 53.1 q J15
2017-10-11 20:54:27 C 22 20 24.28 -13 27 49.5 q 134
2017-10-11 20:54:41 C 22 20 22.95 -13 28 07.9 q 134
2017-10-11 20:54:55 C 22 20 21.61 -13 28 24.7 q 134
2017-10-11 20:54:59 C 22 21 52.20 -13 19 51.5 q J15
2017-10-11 20:55:08 C 22 20 20.28 -13 28 41.5 q 134
2017-10-11 20:55:22 C 22 20 18.92 -13 28 59.1 q 134
2017-10-11 20:55:36 C 22 20 17.60 -13 29 17.2 q 134
2017-10-11 20:55:56 C 22 21 46.48 -13 21 04.2 q J15
2017-10-11 20:56:07 C 22 20 13.47 -13 29 59.5 L 033
2017-10-11 20:56:13 C 22 21 11.97 -13 30 43.7 U J95
2017-10-11 20:56:41 C 22 21 42.05 -13 22 03.8 q J15
2017-10-11 20:57:11 C 22 20 08.19 -13 31 18.6 q 134
2017-10-11 20:57:19 C 22 18 49.78 -13 24 37.7 v 073
2017-10-11 20:57:25 C 22 20 06.86 -13 31 36.0 q 134
2017-10-11 20:57:26 C 22 21 37.41 -13 23 03.0 q J15
2017-10-11 20:57:38 C 22 20 05.52 -13 31 54.0 q 134
2017-10-11 20:57:52 C 22 20 04.22 -13 32 11.4 q 134
2017-10-11 20:58:12 C 22 21 32.91 -13 24 02.1 q J15
2017-10-11 20:58:19 C 22 20 01.41 -13 32 47.1 q 134
2017-10-11 20:58:47 C 22 19 58.72 -13 33 22.1 q 134
2017-10-11 20:58:57 C 22 21 28.42 -13 25 01.1 q J15
2017-10-11 20:59:00 C 22 19 57.35 -13 33 39.4 q 134
2017-10-11 20:59:14 C 22 19 56.02 -13 33 57.0 q 134
2017-10-11 20:59:42 C 22 21 23.78 -13 26 00.1 q J15
2017-10-11 20:59:43 C 22 19 53.08 -13 34 34.8 q 134
2017-10-11 21:00:11 C 22 19 50.37 -13 35 10.7 q 134
2017-10-11 21:00:24 C 22 19 48.97 -13 35 27.9 q 134
2017-10-11 21:00:27 C 22 21 19.17 -13 26 59.0 q J15
2017-10-11 21:00:38 C 22 19 47.62 -13 35 46.4 q 134
2017-10-11 21:01:02 C 22 19 44.18 -13 36 19.9 L 033
2017-10-11 21:01:12 C 22 21 14.67 -13 27 56.9 q J15
2017-10-11 21:01:56 C 22 21 10.12 -13 28 51.7 q J15
2017-10-11 21:01:59 C 22 19 38.53 -13 37 33.4 L 033
2017-10-11 21:04:38 n 22 20 02.96 -13 33 01.2 q 619
2017-10-11 21:06:02 C 22 19 13.75 -13 42 54.5 L 033
2017-10-11 21:06:37 C 22 19 11.27 -13 43 37.3 q 134
2017-10-11 21:06:40 C 22 17 51.66 -13 36 29.7 v 073
2017-10-11 21:06:51 C 22 19 09.90 -13 43 55.1 q 134
2017-10-11 21:06:59 C 22 19 07.99 -13 44 08.9 L 033
2017-10-11 21:07:05 C 22 19 08.42 -13 44 14.7 q 134
2017-10-11 21:07:20 C 22 19 06.89 -13 44 33.9 q 134
2017-10-11 21:07:35 C 22 19 05.37 -13 44 54.0 q 134
2017-10-11 21:07:50 C 22 19 03.84 -13 45 13.5 q 134
2017-10-11 21:07:56 C 22 19 02.22 -13 45 23.7 L 033
2017-10-11 21:08:03 C 22 19 02.46 -13 45 31.8 q 134
2017-10-11 21:08:17 C 22 19 01.05 -13 45 49.6 q 134
2017-10-11 21:08:30 C 22 18 59.65 -13 46 08.0 q 134
2017-10-11 21:08:44 C 22 18 58.26 -13 46 26.1 q 134
2017-10-11 21:08:52 C 22 18 56.44 -13 46 38.7 L 033
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)