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 03:19:47 C 23 26 16.98 +02 53 44.8 18.4 r 718
2012-10-09 03:35:06 C 23 26 12.72 +02 53 18.9 18.1 r 718
2012-10-09 03:50:24 C 23 26 08.40 +02 52 52.9 18.2 r 718
2012-10-09 03:55:15 C 23 26 07.88 +02 54 22.9 o 857
2012-10-09 04:00:14 C 23 26 06.32 +02 54 13.4 o 857
2012-10-09 04:05:14 C 23 26 04.82 +02 54 06.7 o 857
2012-10-09 04:05:43 C 23 26 03.89 +02 52 27.0 18.0 r 718
2012-10-09 04:10:14 C 23 26 03.14 +02 53 57.7 o 857
2012-10-09 04:15:15 C 23 26 01.57 +02 53 48.8 o 857
2012-10-09 07:15:51 C 23 24 56.65 +02 47 57.9 U H06
2012-10-09 07:32:15 C 23 24 51.23 +02 47 24.8 U H06
2012-10-09 07:47:14 C 23 24 46.38 +02 46 54.3 U H06
2012-10-09 10:04:35 C 23 24 30.922 +02 45 11.51 U T12
2012-10-09 10:05:31 C 23 24 30.562 +02 45 09.53 U T12
2012-10-09 10:06:02 C 23 24 31.11 +02 44 56.5 U F65
2012-10-09 10:06:26 C 23 24 30.207 +02 45 07.59 U T12
2012-10-09 10:06:56 C 23 24 30.77 +02 44 54.7 U F65
2012-10-09 10:07:47 C 23 24 30.45 +02 44 52.8 U F65
2012-10-09 10:08:39 C 23 24 30.12 +02 44 51.0 U F65
2012-10-09 10:09:32 C 23 24 29.76 +02 44 49.1 U F65
2012-10-09 10:10:23 C 23 24 29.45 +02 44 47.4 U F65
2012-10-09 10:11:16 C 23 24 29.10 +02 44 45.5 U F65
2012-10-09 10:12:09 C 23 24 28.76 +02 44 43.6 U F65
2012-10-09 10:12:59 C 23 24 28.45 +02 44 41.8 U F65
2012-10-09 10:13:51 C 23 24 28.11 +02 44 40.0 U F65
2012-10-09 10:14:44 C 23 24 27.77 +02 44 38.2 U F65
2012-10-09 10:15:35 C 23 24 27.44 +02 44 36.3 U F65
2012-10-09 10:16:29 C 23 24 27.10 +02 44 34.4 U F65
2012-10-09 10:17:22 C 23 24 26.76 +02 44 32.5 U F65
2012-10-09 10:18:12 C 23 24 26.44 +02 44 30.6 U F65
2012-10-09 10:19:05 C 23 24 26.10 +02 44 28.8 U F65
2012-10-09 14:02:09 C 23 23 44.63 +02 48 52.9 U E10
2012-10-09 14:03:20 C 23 23 44.16 +02 48 50.3 U E10
2012-10-09 14:04:20 C 23 23 43.77 +02 48 48.1 U E10
2012-10-09 14:05:24 C 23 23 43.35 +02 48 45.7 U E10
2012-10-09 14:07:59 C 23 23 42.33 +02 48 40.0 U E10
2012-10-09 14:09:09 C 23 23 41.87 +02 48 37.5 U E10
2012-10-09 14:10:09 C 23 23 41.48 +02 48 35.3 U E10
2012-10-09 14:11:10 C 23 23 41.08 +02 48 33.1 U E10
2012-10-09 14:13:46 C 23 23 40.05 +02 48 27.2 U E10
2012-10-09 14:14:48 C 23 23 39.64 +02 48 25.0 U E10
2012-10-09 14:15:48 C 23 23 39.26 +02 48 22.8 U E10
2012-10-09 14:16:50 C 23 23 38.86 +02 48 20.5 U E10
2012-10-09 14:19:17 C 23 23 37.89 +02 48 15.2 U E10
2012-10-09 14:20:20 C 23 23 37.48 +02 48 12.7 U E10
2012-10-09 14:23:07 C 23 23 36.39 +02 48 06.5 U E10
2012-10-09 14:24:10 C 23 23 35.99 +02 48 04.2 U E10
2012-10-09 19:50:19 C 23 23 12.70 +02 15 49.6 q B88
2012-10-09 19:58:39 C 23 23 09.30 +02 15 25.5 q B88
2012-10-09 20:06:53 C 23 23 05.89 +02 15 01.8 q B88
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)