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
2017-10-09 22:18:34 C 22 56 12.23 -03 21 00.4 S J27
2017-10-09 22:24:28 C 22 56 10.17 -03 21 13.1 S J27
2017-10-10 00:01:26 C 22 56 25.99 -03 04 06.2 17.6 q I39
2017-10-10 00:17:54 C 22 56 20.04 -03 04 39.4 17.6 q I39
2017-10-10 01:08:50 C 22 56 00.93 -03 06 20.4 17.8 q I39
2017-10-10 01:22:39 C 22 55 40.21 -03 10 38.2 r Y00
2017-10-10 01:24:14 C 22 55 39.53 -03 10 41.9 r Y00
2017-10-10 01:25:48 C 22 55 38.86 -03 10 45.0 r Y00
2017-10-10 01:27:40 C 22 55 38.08 -03 10 49.2 r Y00
2017-10-10 01:30:01 C 22 55 37.07 -03 10 54.0 r Y00
2017-10-10 01:32:22 C 22 55 36.09 -03 10 58.8 r Y00
2017-10-10 02:30:41 C 22 55 40.72 -03 10 21.0 U W87
2017-10-10 02:39:15 C 22 55 37.11 -03 10 39.2 U W87
2017-10-10 02:45:23 C 22 56 15.80 -03 29 07.8 o 691
2017-10-10 02:47:44 C 22 55 33.52 -03 10 57.0 U W87
2017-10-10 02:48:57 C 22 55 33.04 -03 10 59.5 U W85
2017-10-10 02:55:21 C 22 56 12.19 -03 29 34.3 o 691
2017-10-10 02:56:12 C 22 55 29.94 -03 11 15.0 U W87
2017-10-10 02:57:22 C 22 55 29.46 -03 11 17.4 U W85
2017-10-10 03:04:42 C 22 55 26.34 -03 11 32.9 U W87
2017-10-10 03:05:21 C 22 56 08.52 -03 30 00.3 o 691
2017-10-10 03:05:46 C 22 55 25.90 -03 11 35.2 U W85
2017-10-10 03:13:11 C 22 55 22.74 -03 11 51.0 U W87
2017-10-10 03:14:11 C 22 55 22.31 -03 11 53.1 U W85
2017-10-10 03:21:40 C 22 55 19.14 -03 12 08.8 U W87
2017-10-10 03:22:36 C 22 55 18.74 -03 12 10.9 U W85
2017-10-10 03:29:03 C 22 55 15.99 -03 12 24.7 U W87
2017-10-10 03:30:35 C 22 55 15.35 -03 12 27.9 U W87
2017-10-10 03:31:00 C 22 55 15.17 -03 12 28.8 U W85
2017-10-10 03:39:04 C 22 55 11.75 -03 12 46.1 U W87
2017-10-10 03:39:23 C 22 55 11.62 -03 12 46.7 U W85
2017-10-10 03:47:32 C 22 55 08.17 -03 13 04.1 U W87
2017-10-10 03:56:01 C 22 55 04.59 -03 13 22.3 U W87
2017-10-10 04:04:36 C 22 55 00.99 -03 13 40.7 U W87
2017-10-10 04:13:03 C 22 54 57.45 -03 13 58.9 U W87
2017-10-10 04:21:33 C 22 54 53.93 -03 14 17.1 U W87
2017-10-10 04:27:54 C 22 54 51.30 -03 14 30.8 U W87
2017-10-10 05:50:09 C 22 55 51.07 -03 34 02.4 L T05
2017-10-10 06:03:34 C 22 55 45.40 -03 34 41.7 L T05
2017-10-10 06:07:11 C 22 55 00.35 -03 39 36.0 17.7 q U69
2017-10-10 06:08:40 C 22 54 59.74 -03 39 40.2 17.7 q U69
2017-10-10 06:15:35 C 22 55 40.16 -03 35 16.8 L T05
2017-10-10 06:28:23 C 22 55 34.47 -03 35 54.2 L T05
2017-10-10 07:14:48 C 22 54 17.51 -03 41 54.4 U H01
2017-10-10 07:22:17 C 22 55 08.13 -03 38 12.2 L T08
2017-10-10 07:26:55 C 22 55 05.82 -03 38 25.9 L T08
2017-10-10 07:32:20 C 22 55 03.10 -03 38 42.3 L T08
2017-10-10 07:36:17 C 22 54 08.57 -03 42 55.5 U H01
2017-10-10 07:38:59 C 22 54 59.76 -03 39 01.8 L T08
2017-10-10 07:53:14 C 22 54 01.70 -03 43 44.0 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)