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
2006-04-03 07:25:01 C 16 14 28.82 +27 56 01.4 r H45
2006-04-03 07:31:29 C 16 14 31.55 +27 56 07.8 r H45
2006-04-03 07:32:42 C 16 14 32.05 +27 56 09.3 r H45
2006-04-03 19:19:32 C 16 19 44.09 +28 07 18.1 r 379
2006-04-03 19:24:42 C 16 19 46.34 +28 07 22.9 r 379
2006-04-04 00:32:29 C 16 22 12.36 +28 11 41.2 o J65
2006-04-04 00:33:31 C 16 22 12.90 +28 11 42.8 o J65
2006-04-04 00:34:32 C 16 22 13.37 +28 11 43.6 o J65
2006-04-04 00:35:34 C 16 22 13.81 +28 11 44.7 o J65
2006-04-04 00:36:37 C 16 22 14.31 +28 11 45.3 o J65
2006-04-04 00:37:35 C 16 22 14.77 +28 11 46.5 o J65
2006-04-04 00:38:08 C 16 22 14.99 +28 11 46.6 o J65
2006-04-04 00:38:40 C 16 22 15.30 +28 11 47.7 o J65
2006-04-04 00:39:12 C 16 22 15.52 +28 11 48.4 o J65
2006-04-04 00:39:44 C 16 22 15.74 +28 11 48.5 o J65
2006-04-04 01:02:27 C 16 22 26.24 +28 12 10.7 o J65
2006-04-04 01:03:29 C 16 22 26.69 +28 12 11.7 o J65
2006-04-04 01:04:30 C 16 22 27.25 +28 12 13.1 o J65
2006-04-04 01:05:32 C 16 22 27.67 +28 12 13.8 o J65
2006-04-04 01:06:35 C 16 22 28.19 +28 12 15.0 o J65
2006-04-04 01:08:22 C 16 22 28.98 +28 12 16.5 o J65
2006-04-04 01:08:54 C 16 22 29.19 +28 12 17.0 o J65
2006-04-04 01:09:26 C 16 22 29.46 +28 12 17.1 o J65
2006-04-04 01:09:58 C 16 22 29.68 +28 12 18.2 o J65
2006-04-04 01:10:30 C 16 22 29.96 +28 12 18.9 o J65
2006-04-04 01:23:39 C 16 22 35.99 +28 12 31.1 o J65
2006-04-04 01:24:11 C 16 22 36.25 +28 12 32.1 o J65
2006-04-04 01:24:43 C 16 22 36.53 +28 12 32.1 o J65
2006-04-04 01:25:15 C 16 22 36.74 +28 12 33.0 o J65
2006-04-04 21:45:32 C 16 32 41.50 +28 30 10.7 o J65
2006-04-04 22:47:05 C 16 33 13.57 +28 31 09.1 o J65
2006-04-04 22:47:38 C 16 33 13.87 +28 31 09.1 o J65
2006-04-04 22:48:10 C 16 33 14.18 +28 31 09.4 o J65
2006-04-04 22:48:43 C 16 33 14.42 +28 31 09.8 o J65
2006-04-04 22:49:15 C 16 33 14.76 +28 31 10.8 o J65
2006-04-06 22:30:50 C 17 01 15.43 +29 04 25.4 r A13
2006-04-06 22:49:54 C 17 01 27.70 +29 04 36.7 r A13
2006-04-06 22:53:17 C 17 01 29.92 +29 04 38.9 r A13
2006-04-07 17:35:14 C 17 14 21.73 +29 12 30.5 r 379
2006-04-07 17:36:16 C 17 14 22.48 +29 12 30.5 r 379
2006-04-07 17:37:19 C 17 14 23.26 +29 12 30.9 r 379
2006-04-07 17:39:22 C 17 14 24.62 +29 12 32.0 r 379
2006-04-07 17:40:24 C 17 14 25.38 +29 12 32.3 r 379
2006-04-07 17:41:27 C 17 14 26.08 +29 12 32.6 r 379
2006-04-07 17:42:29 C 17 14 26.79 +29 12 32.8 r 379
2006-04-07 17:54:10 C 17 14 35.03 +29 12 36.8 r 379
2006-04-07 17:56:13 C 17 14 36.52 +29 12 37.2 r 379
2006-04-07 18:04:29 C 17 14 42.24 +29 12 39.7 r 379
2006-04-08 23:36:29 C 17 37 40.17 +29 13 09.7 r 157
2006-04-08 23:37:39 C 17 37 41.12 +29 13 09.6 r 157
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)