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
2006-03-23 18:26:41 C 15 05 32.87 +24 03 00.1 r 379
2006-03-23 18:47:28 C 15 05 36.23 +24 03 16.1 r 379
2006-03-24 08:17:04 C 15 07 59.88 +24 14 09.4 r H45
2006-03-24 08:18:43 C 15 08 00.19 +24 14 10.9 r H45
2006-03-24 08:21:27 C 15 08 00.65 +24 14 12.9 r H45
2006-03-24 08:24:16 C 15 08 01.13 +24 14 14.9 r H45
2006-03-24 08:25:43 C 15 08 01.40 +24 14 16.3 r H45
2006-03-24 16:06:49 C 15 09 25.66 +24 20 33.0 r 379
2006-03-24 16:09:42 C 15 09 26.13 +24 20 36.3 r 379
2006-03-25 09:46:54 C 15 12 44.56 +24 35 19.0 r 703
2006-03-25 09:59:38 C 15 12 46.90 +24 35 29.7 r 703
2006-03-25 10:12:20 C 15 12 49.21 +24 35 40.4 r 703
2006-03-25 10:25:08 C 15 12 51.51 +24 35 51.9 r 703
2006-03-25 10:43:07 C 15 12 54.14 +24 36 04.0 r H45
2006-03-25 10:44:49 C 15 12 54.44 +24 36 05.4 r H45
2006-03-25 10:47:38 C 15 12 54.95 +24 36 07.2 r H45
2006-03-25 10:49:55 C 15 12 55.41 +24 36 09.6 r H45
2006-03-25 10:52:12 C 15 12 55.81 +24 36 11.1 r H45
2006-03-25 17:20:00 C 15 14 13.04 +24 41 41.4 r 379
2006-03-25 17:22:54 C 15 14 13.58 +24 41 44.0 r 379
2006-03-25 17:25:46 C 15 14 14.13 +24 41 46.3 r 379
2006-03-25 17:28:39 C 15 14 14.66 +24 41 48.9 r 379
2006-03-25 17:31:31 C 15 14 15.19 +24 41 51.4 r 379
2006-03-25 23:06:30 C 15 15 23.39 +24 46 28.4 r 157
2006-03-25 23:08:19 C 15 15 23.74 +24 46 30.1 r 157
2006-03-25 23:10:08 C 15 15 24.10 +24 46 31.9 r 157
2006-03-25 23:12:00 C 15 15 24.43 +24 46 33.6 r 157
2006-03-28 09:01:33 C 15 28 10.32 +25 38 13.9 r H45
2006-03-28 09:02:44 C 15 28 10.57 +25 38 14.7 r H45
2006-03-28 09:15:12 C 15 28 13.43 +25 38 26.2 r H45
2006-03-29 09:07:42 C 15 34 17.61 +26 00 46.5 r H45
2006-03-29 09:09:00 C 15 34 17.98 +26 00 47.4 r H45
2006-03-29 09:10:35 C 15 34 18.35 +26 00 49.1 r H45
2006-03-29 09:11:37 C 15 34 18.58 +26 00 49.9 r H45
2006-03-29 09:13:21 C 15 34 19.05 +26 00 51.9 r H45
2006-03-29 21:58:41 C 15 37 49.26 +26 12 43.5 r A31
2006-03-29 22:04:41 C 15 37 50.92 +26 12 49.6 r A31
2006-03-29 22:09:12 C 15 37 52.17 +26 12 54.3 r A31
2006-03-30 06:46:47 C 15 40 18.34 +26 21 25.9 r H45
2006-03-30 06:48:19 C 15 40 18.76 +26 21 27.6 r H45
2006-03-30 07:04:38 C 15 40 23.30 +26 21 43.8 r H45
2006-03-30 07:05:53 C 15 40 23.65 +26 21 45.1 r H45
2006-03-30 07:07:20 C 15 40 24.09 +26 21 46.5 r H45
2006-03-31 15:38:43 C 15 50 24.48 +26 53 32.1 r 379
2006-03-31 15:49:02 C 15 50 27.80 +26 53 42.6 r 379
2006-03-31 16:04:43 C 15 50 32.78 +26 53 59.4 r 379
2006-04-02 07:51:29 C 16 04 46.11 +27 33 04.8 o H89
2006-04-02 08:52:42 C 16 05 09.22 +27 34 05.0 o H89
2006-04-03 07:22:30 C 16 14 27.78 +27 55 58.7 r H45
2006-04-03 07:23:51 C 16 14 28.34 +27 56 00.0 r H45
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)