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
2012-10-11 17:56:53 C 22 34 08.211 -08 18 40.62 U 113
2017-07-27 05:54:57 C 22 58 27.142 -03 54 38.10 U 309
2017-07-27 06:18:52 C 22 58 27.812 -03 54 31.26 U 309
2017-07-31 05:04:27 C 23 01 30.837 -03 28 25.26 U 309
2017-08-05 09:04:07 C 23 04 57.564 -02 56 57.20 U 309
2017-08-05 09:31:46 C 23 04 58.115 -02 56 50.59 U 309
2017-08-27 07:41:54 C 23 12 17.197 -01 26 22.51 U T09
2017-08-27 07:46:53 C 23 12 17.167 -01 26 22.12 U T09
2017-08-27 07:53:23 C 23 12 17.128 -01 26 21.50 U T09
2017-08-27 07:59:55 C 23 12 17.088 -01 26 20.94 U T09
2017-08-27 08:06:25 C 23 12 17.044 -01 26 20.30 U T09
2017-08-27 08:12:56 C 23 12 17.002 -01 26 19.68 U T09
2017-08-27 08:16:42 C 23 12 16.975 -01 26 19.32 U T09
2017-08-27 08:20:28 C 23 12 16.948 -01 26 18.93 U T09
2017-08-27 08:26:59 C 23 12 16.899 -01 26 18.30 U T09
2017-08-27 08:33:30 C 23 12 16.852 -01 26 17.74 U T09
2017-08-27 08:40:01 C 23 12 16.808 -01 26 17.13 U T09
2017-08-30 09:07:43 C 23 12 14.82 -01 20 12.1 o 695
2017-08-30 09:28:53 C 23 12 14.58 -01 20 10.4 o 695
2017-08-30 10:41:45 C 23 12 13.74 -01 20 05.0 o 695
2017-08-31 08:50:40 C 23 12 12.37 -01 18 29.8 o 695
2017-08-31 08:57:26 C 23 12 12.26 -01 18 29.3 o 695
2017-08-31 09:04:10 C 23 12 12.17 -01 18 28.9 o 695
2017-09-11 03:24:44 C 23 10 28.96 -01 09 59.9 U H01
2017-09-11 03:35:48 C 23 10 28.73 -01 10 00.0 U H01
2017-09-11 03:47:36 C 23 10 28.48 -01 09 59.9 U H01
2017-09-11 03:58:16 C 23 10 28.22 -01 10 00.1 U H01
2017-09-12 04:09:33 C 23 10 11.27 -01 10 08.4 U H01
2017-09-12 04:19:55 C 23 10 11.02 -01 10 08.4 U H01
2017-09-12 04:59:14 C 23 10 09.97 -01 10 08.9 U H01
2017-09-12 05:12:12 C 23 10 09.61 -01 10 09.0 U H01
2017-09-14 09:50:25 C 23 09 27.676 -01 10 44.69 L F51
2017-09-14 10:07:40 C 23 09 27.086 -01 10 45.17 L F51
2017-09-14 10:24:53 C 23 09 26.469 -01 10 45.43 L F51
2017-09-14 10:42:04 C 23 09 25.906 -01 10 45.33 L F51
2017-09-17 00:18:13 C 23 08 33.983 -01 12 53.19 U J04
2017-09-17 00:53:13 C 23 08 32.684 -01 12 54.56 U J04
2017-09-17 09:17:52 C 23 08 26.242 -01 13 04.38 L F51
2017-09-17 09:24:22 C 23 08 25.989 -01 13 04.71 L F51
2017-09-17 09:41:16 C 23 08 25.331 -01 13 05.51 L F51
2017-09-17 09:51:38 C 23 08 24.905 -01 13 05.78 L F51
2017-09-19 06:30:05 C 23 07 39.53 -01 13 50.0 U W85
2017-09-19 06:35:05 C 23 07 39.34 -01 13 50.6 U W85
2017-09-19 06:40:12 C 23 07 39.15 -01 13 51.1 U W85
2017-09-19 06:45:25 C 23 07 38.97 -01 13 51.5 U W85
2017-09-20 03:48:42 C 23 07 23.96 -01 16 53.5 u H21
2017-09-20 04:08:24 C 23 07 23.20 -01 16 54.5 u H21
2017-09-20 04:17:09 C 23 07 22.86 -01 16 54.9 u H21
2017-09-20 22:28:48 C 23 07 01.09 -01 18 06.7 v B18
2017-09-20 22:30:31 C 23 07 01.03 -01 18 06.9 v B18
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)