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
2017-10-10 23:01:27 C 22 49 36.18 -04 20 38.6 L32
2017-10-10 23:05:58 C 22 49 32.76 -04 21 03.0 L32
2017-10-10 23:07:10 C 22 49 31.86 -04 21 09.5 L32
2017-10-10 23:09:58 C 22 49 29.74 -04 21 24.7 L32
2017-10-10 23:11:39 C 22 49 28.48 -04 21 33.9 L32
2017-10-10 23:13:15 C 22 49 27.27 -04 21 42.6 L32
2017-10-10 23:14:39 C 22 49 26.23 -04 21 50.1 L32
2017-10-10 23:15:54 C 22 49 25.28 -04 21 56.9 L32
2017-10-10 23:17:29 C 22 49 24.10 -04 22 05.6 L32
2017-10-10 23:18:52 C 22 49 23.05 -04 22 13.3 L32
2017-10-10 23:20:27 C 22 49 21.86 -04 22 22.0 L32
2017-10-10 23:22:01 C 22 49 20.71 -04 22 30.5 L32
2017-10-10 23:23:13 C 22 49 19.81 -04 22 37.0 L32
2017-10-10 23:24:37 C 22 49 18.76 -04 22 44.7 L32
2017-10-10 23:26:13 C 22 49 17.56 -04 22 53.6 L32
2017-10-10 23:27:30 C 22 49 16.62 -04 23 00.6 L32
2017-10-10 23:28:56 C 22 49 15.55 -04 23 08.5 L32
2017-10-10 23:30:35 C 22 49 14.33 -04 23 17.6 L32
2017-10-11 00:49:05 C 22 50 55.07 -05 06 26.9 U W34
2017-10-11 00:55:16 C 22 50 50.10 -05 07 16.1 U W34
2017-10-11 01:02:15 C 22 50 44.42 -05 08 11.3 U W34
2017-10-11 01:41:54 C 22 50 50.35 -05 12 32.6 U H01
2017-10-11 02:13:56 C 22 50 24.41 -05 17 10.1 U H01
2017-10-11 02:45:20 C 22 49 56.67 -05 21 50.7 U H01
2017-10-11 03:07:10 C 22 49 36.10 -05 25 10.9 U H01
2017-10-11 03:54:13 C 22 48 48.45 -05 32 36.8 U H01
2017-10-11 04:01:43 C 22 48 48.09 -05 33 02.3 U 703
2017-10-11 04:09:27 C 22 48 39.78 -05 34 18.2 U 703
2017-10-11 04:24:55 C 22 48 22.85 -05 36 51.3 U 703
2017-10-11 08:17:13 C 22 45 08.33 -06 13 57.8 L T08
2017-10-11 08:27:36 C 22 44 52.31 -06 16 15.9 L T08
2017-10-11 08:38:08 C 22 44 35.87 -06 18 37.6 L T08
2017-10-11 08:48:39 C 22 44 19.26 -06 21 00.7 L T08
2017-10-11 10:06:04 C 22 45 22.00 -06 49 39.7 r P93
2017-10-11 10:16:52 C 22 45 06.27 -06 52 44.3 r P93
2017-10-11 10:53:14 C 22 44 09.66 -07 03 28.7 r P93
2017-10-11 11:03:59 C 22 43 51.88 -07 06 46.0 r P93
2017-10-11 18:09:44 C 22 32 33.49 -10 41 03.1 q C47
2017-10-11 18:10:23 C 22 32 31.32 -10 41 33.7 q C47
2017-10-11 18:13:39 C 22 32 20.25 -10 44 09.4 q C47
2017-10-11 18:13:50 C 22 32 19.55 -10 44 18.2 q C47
2017-10-11 18:14:13 C 22 32 18.22 -10 44 37.0 q C47
2017-10-11 18:31:16 C 22 31 43.84 -10 55 53.4 U 587
2017-10-11 18:32:06 C 22 31 40.84 -10 56 35.3 U 587
2017-10-11 18:32:55 C 22 31 37.85 -10 57 16.8 U 587
2017-10-11 18:36:33 C 22 31 40.78 -10 58 29.3 q K19
2017-10-11 18:37:40 C 22 31 36.69 -10 59 26.5 q K19
2017-10-11 18:38:47 C 22 31 32.61 -11 00 23.6 q K19
2017-10-11 18:38:48 C 22 30 50.12 -11 04 54.2 q C47
2017-10-11 18:39:16 C 22 30 48.41 -11 05 18.0 q C47
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)