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
2012-10-04 11:13:25 c 23 32 31.445 +04 13 34.66 L F51
2012-10-04 11:31:10 c 23 32 29.747 +04 13 29.02 L F51
2012-10-06 04:11:09 C 23 31 27.98 +03 58 15.4 r 703
2012-10-06 04:22:28 C 23 31 26.61 +03 58 10.8 r 703
2012-10-06 04:43:28 C 23 31 23.91 +03 58 03.3 r 703
2012-10-06 19:50:15 C 23 30 47.49 +03 48 25.7 u J95
2012-10-06 19:53:27 C 23 30 47.13 +03 48 23.8 u J95
2012-10-06 19:56:11 C 23 30 46.85 +03 48 22.3 u J95
2012-10-06 21:50:30 C 23 30 32.94 +03 47 21.3 t J84
2012-10-06 22:00:59 C 23 30 31.58 +03 47 15.3 t J84
2012-10-06 22:11:28 C 23 30 30.16 +03 47 09.2 t J84
2012-10-07 04:32:51 C 23 30 09.38 +03 44 19.4 u H36
2012-10-07 04:50:25 C 23 30 06.54 +03 44 08.0 u H36
2012-10-07 05:10:45 C 23 30 03.30 +03 43 54.5 u H36
2012-10-07 05:22:39 C 23 29 53.00 +03 43 25.9 u 932
2012-10-07 05:25:16 C 23 29 52.61 +03 43 24.0 u 932
2012-10-07 11:07:35 C 23 29 59.58 +03 40 08.8 o 300
2012-10-07 11:10:07 C 23 29 59.20 +03 40 07.4 o 300
2012-10-07 11:20:15 C 23 29 57.61 +03 40 01.1 o 300
2012-10-07 12:05:43 C 23 29 48.85 +03 39 27.2 u 900
2012-10-07 12:16:00 C 23 29 47.07 +03 39 19.6 u 900
2012-10-07 12:26:17 C 23 29 45.22 +03 39 12.0 u 900
2012-10-07 18:06:14 C 23 29 25.60 +03 33 40.4 v C32
2012-10-07 18:08:43 C 23 29 25.12 +03 33 38.9 v C32
2012-10-07 18:11:23 C 23 29 24.66 +03 33 36.1 v C32
2012-10-07 18:14:10 C 23 29 24.17 +03 33 34.2 v C32
2012-10-08 21:21:12 C 23 26 51.67 +03 01 32.9 o J16
2012-10-08 21:25:35 C 23 26 50.68 +03 01 26.5 o J16
2012-10-08 21:30:06 C 23 26 49.58 +03 01 19.4 o J16
2012-10-08 21:46:48 C 23 26 35.79 +03 02 43.7 v 470
2012-10-08 21:48:56 C 23 26 35.18 +03 02 41.0 v 470
2012-10-08 21:50:00 C 23 26 34.87 +03 02 38.8 v 470
2012-10-08 21:51:03 C 23 26 34.60 +03 02 37.3 v 470
2012-10-08 21:52:07 C 23 26 34.31 +03 02 35.6 v 470
2012-10-08 21:53:11 C 23 26 34.02 +03 02 34.2 v 470
2012-10-08 21:54:15 C 23 26 33.73 +03 02 32.2 v 470
2012-10-09 00:39:11 C 23 26 46.37 +02 58 21.9 r H21
2012-10-09 00:44:25 C 23 26 45.16 +02 58 13.9 r H21
2012-10-09 00:50:16 C 23 26 43.80 +02 58 04.8 r H21
2012-10-09 01:47:39 C 23 26 42.01 +02 57 46.3 u G48
2012-10-09 01:51:02 C 23 26 41.21 +02 57 41.2 u G48
2012-10-09 02:13:28 C 23 26 35.77 +02 57 06.5 o G48
2012-10-09 02:14:26 C 23 26 35.54 +02 57 04.8 o G48
2012-10-09 02:17:15 C 23 26 34.78 +02 57 00.4 o G48
2012-10-09 02:18:14 C 23 26 34.55 +02 56 59.0 o G48
2012-10-09 02:21:31 C 23 26 33.67 +02 56 53.5 u G48
2012-10-09 02:40:02 C 23 26 28.77 +02 56 24.1 u G48
2012-10-09 02:42:52 C 23 26 27.99 +02 56 19.8 u G48
2012-10-09 02:45:42 C 23 26 27.22 +02 56 15.2 u G48
2012-10-09 03:08:07 C 23 26 20.15 +02 54 04.2 18.2 r 718
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)