144901 (2004 WG1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5219161608 ± 1.35e-08
Semi-major axis (a)1.6399046216 AU ± 3.63e-09
Inclination (i)13.03627510° ± 4.26e-06
Long. of Asc. Node (Ω)41.97768639° ± 6.91e-06
Arg. of Perihelion (ω)232.48782326° ± 7.83e-06
Mean Anomaly (M)98.80911219° ± 1.27e-05
Mean Motion (n)0.4693365661°/day ± 1.56e-09
Perihelion dist (q)0.78401190 AU ± 2.22e-08
Aphelion dist (Q)2.49579735 AU ± 2.28e-08
Orbital Period2.10004154 yr ± 6.97e-09
Physical Parameters
H (abs. magnitude)17.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.381″
Uncertainty0
Orbit TypeApollo
MOID0.055629 AU
Observations Used626
Radar Obs Used4
Oppositions1
Arc Total2004-2006
First Observation Used2004-09-22
Last Observation Used2025-12-25
Observations (714)
Date Type RA Dec Mag Band Observatory
2010-04-10 14:45:04 S 08 08 35.59 +37 16 23.3 L C51
2010-04-10 17:55:36 S 08 08 39.19 +37 14 44.7 L C51
2010-04-10 21:06:07 S 08 08 42.87 +37 13 06.3 L C51
2010-04-10 22:41:28 S 08 08 44.68 +37 12 16.2 L C51
2010-04-11 00:16:38 S 08 08 46.55 +37 11 26.8 L C51
2010-04-11 00:16:49 S 08 08 46.55 +37 11 26.7 L C51
2010-04-11 01:51:59 S 08 08 48.42 +37 10 37.1 L C51
2010-04-11 03:27:20 S 08 08 50.28 +37 09 47.5 L C51
2010-04-11 05:02:30 S 08 08 52.20 +37 08 58.3 L C51
2010-04-11 06:37:51 S 08 08 54.09 +37 08 08.5 L C51
2010-04-11 08:13:01 S 08 08 56.02 +37 07 18.9 L C51
2010-04-11 11:23:32 S 08 08 59.90 +37 05 39.8 L C51
2010-04-11 14:34:03 S 08 09 03.81 +37 04 00.2 L C51
2010-04-11 17:44:34 S 08 09 07.81 +37 02 21.0 L C51
2010-10-11 16:37:45 S 20 05 47.798 -45 46 32.12 L C51
2010-10-11 19:48:16 S 20 07 02.758 -45 39 18.65 L C51
2010-10-11 22:58:47 S 20 08 17.242 -45 32 03.52 L C51
2010-10-12 02:09:18 S 20 09 31.212 -45 24 46.37 L C51
2010-10-12 03:44:28 S 20 10 08.011 -45 21 07.02 L C51
2010-10-12 05:19:49 S 20 10 44.719 -45 17 27.35 L C51
2010-10-12 06:54:59 S 20 11 21.298 -45 13 47.28 L C51
2010-10-12 08:30:09 S 20 11 57.686 -45 10 06.64 L C51
2010-10-12 10:05:30 S 20 12 34.085 -45 06 25.63 L C51
2010-10-12 13:16:02 S 20 13 46.404 -44 59 02.33 L C51
2010-10-12 16:26:22 S 20 14 58.198 -44 51 37.58 L C51
2010-10-12 19:36:53 S 20 16 09.593 -44 44 11.11 L C51
2010-10-12 22:47:24 S 20 17 20.513 -44 36 42.95 L C51
2010-10-19 10:34:06 C 21 06 40.70 -38 13 44.9 r E12
2010-10-19 10:51:18 C 21 06 45.20 -38 13 01.8 r E12
2010-10-19 11:17:13 C 21 06 52.00 -38 11 56.9 r E12
2010-12-11 08:11:39 S 23 48 39.38 -04 14 19.1 L C51
2010-12-11 14:32:41 S 23 49 09.39 -04 08 22.7 L C51
2010-12-11 17:43:02 S 23 49 24.18 -04 05 24.4 L C51
2010-12-11 20:53:33 S 23 49 39.055 -04 02 26.30 L C51
2010-12-12 01:39:14 S 23 50 01.46 -03 58 01.9 L C51
2010-12-12 03:14:23 S 23 50 08.75 -03 56 32.5 L C51
2010-12-12 03:14:35 S 23 50 08.957 -03 56 34.73 L C51
2010-12-12 04:49:45 S 23 50 16.346 -03 55 05.12 L C51
2010-12-12 06:24:55 S 23 50 23.77 -03 53 37.6 L C51
2010-12-12 09:35:26 S 23 50 38.60 -03 50 39.7 L C51
2010-12-12 12:45:57 S 23 50 53.50 -03 47 45.7 L C51
2010-12-12 14:21:08 S 23 51 00.78 -03 46 17.0 L C51
2010-12-12 15:56:17 S 23 51 08.23 -03 44 49.5 L C51
2010-12-12 17:31:38 S 23 51 15.71 -03 43 21.8 L C51
2010-12-12 20:41:58 S 23 51 30.562 -03 40 27.41 L C51
2010-12-12 20:42:09 S 23 51 30.610 -03 40 27.41 L C51
2010-12-12 23:52:30 S 23 51 45.245 -03 37 32.74 L C51
2010-12-16 18:20:53 S 23 58 43.284 -02 16 46.85 L C51
2010-12-16 21:31:14 S 23 58 57.61 -02 14 02.5 L C51
2010-12-16 21:31:25 S 23 58 57.59 -02 14 03.1 L C51
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2006-04-11 09:55:00 114230.3266 2 Hz 2380 -1 -1
2006-04-11 10:52:00 91075429.82 3 us 2380 -1 -1
2006-04-11 10:52:00 111851.1004 2 Hz 2380 -1 -1
2006-04-13 09:21:00 64713.2365 2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)