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
2012-10-09 20:15:38 C 23 23 02.19 +02 14 36.7 q B88
2012-10-09 20:23:55 C 23 22 58.65 +02 14 12.4 q B88
2012-10-09 20:27:31 C 23 22 57.99 +02 14 08.4 o C77
2012-10-09 20:35:48 C 23 22 54.33 +02 13 43.7 o C77
2012-10-09 20:44:06 C 23 22 50.71 +02 13 19.2 o C77
2012-10-09 20:49:13 C 23 22 47.73 +02 12 58.3 q B88
2012-10-09 20:54:13 C 23 22 46.32 +02 12 49.4 o C77
2012-10-09 21:03:53 C 23 22 42.01 +02 12 20.9 o C77
2012-10-09 21:05:48 C 23 22 40.36 +02 12 08.5 q B88
2012-10-09 21:08:47 C 23 22 39.67 +02 11 48.3 o B04
2012-10-09 21:15:16 C 23 22 36.09 +02 11 39.8 q B88
2012-10-09 21:19:15 C 23 22 35.01 +02 11 16.9 o B04
2012-10-09 21:35:45 C 23 22 27.62 +02 10 26.1 o B04
2012-10-09 21:46:44 C 23 22 22.60 +02 09 51.8 o B04
2012-10-09 21:48:26 C 23 22 19.06 +02 10 08.1 u 104
2012-10-09 21:57:44 C 23 22 17.57 +02 09 17.2 o B04
2012-10-09 22:03:58 C 23 22 37.65 +02 13 04.4 u G40
2012-10-09 22:08:44 C 23 22 12.58 +02 08 42.9 o B04
2012-10-09 22:19:44 C 23 22 07.55 +02 08 08.1 o B04
2012-10-09 22:30:44 C 23 22 02.45 +02 07 32.9 o B04
2012-10-09 22:41:32 C 23 21 54.45 +02 07 19.5 u 104
2012-10-09 23:02:50 C 23 21 44.55 +02 06 09.6 u 104
2012-10-09 23:51:43 C 23 21 22.15 +02 03 26.0 u 104
2012-10-09 23:56:58 C 23 21 38.87 +02 07 07.3 u G40
2012-10-10 00:24:01 C 23 21 24.30 +02 05 36.3 u G40
2012-10-10 00:56:56 C 23 21 06.67 +02 03 43.9 u G40
2012-10-10 01:00:44 C 23 20 51.85 +01 59 24.6 u 104
2012-10-10 01:57:45 C 23 21 57.84 +01 57 23.3 u H17
2012-10-10 02:08:38 C 23 21 52.99 +01 56 45.6 u H17
2012-10-10 02:24:55 C 23 21 45.43 +01 55 48.2 u H17
2012-10-10 02:49:36 C 23 21 33.45 +01 54 19.1 u H17
2012-10-10 02:56:29 C 23 21 33.16 +01 55 04.0 U H01
2012-10-10 03:13:06 C 23 21 29.25 +01 54 35.5 o 695
2012-10-10 03:15:33 C 23 21 27.97 +01 54 26.6 o 695
2012-10-10 03:17:12 C 23 21 27.10 +01 54 20.5 o 695
2012-10-10 03:23:25 C 23 21 20.90 +01 51 40.3 16.7 r 718
2012-10-10 03:29:31 C 23 21 17.82 +01 51 17.7 17.1 r 718
2012-10-10 03:34:55 C 23 21 12.80 +01 52 42.4 U H01
2012-10-10 03:35:35 C 23 21 14.72 +01 50 54.7 16.8 r 718
2012-10-10 03:43:35 C 23 21 12.92 +01 52 42.6 o 291
2012-10-10 03:44:01 C 23 21 12.70 +01 52 41.1 o 291
2012-10-10 03:44:25 C 23 21 12.47 +01 52 39.5 o 291
2012-10-10 03:47:43 C 23 21 08.40 +01 50 08.7 16.8 r 718
2012-10-10 04:26:51 C 23 20 43.30 +01 49 23.6 U H01
2012-10-10 04:40:00 C 23 20 39.50 +01 49 10.7 o 857
2012-10-10 04:45:00 C 23 20 36.52 +01 48 51.2 o 857
2012-10-10 04:50:00 C 23 20 33.52 +01 48 31.1 o 857
2012-10-10 04:55:00 C 23 20 30.47 +01 48 12.1 o 857
2012-10-10 05:00:00 C 23 20 27.37 +01 47 51.4 o 857
2012-10-10 05:17:31 C 23 20 12.88 +01 46 01.4 U H01
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)