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
2006-02-25 09:18:40 C 13 59 35.82 +18 15 29.0 o 699
2006-03-09 08:49:31 C 14 23 13.88 +20 20 51.9 r 703
2006-03-09 08:59:33 C 14 23 14.74 +20 20 57.8 r 703
2006-03-09 09:09:35 C 14 23 15.64 +20 21 02.9 r 703
2006-03-09 09:19:44 C 14 23 16.47 +20 21 08.0 r 703
2006-03-12 02:47:43 C 14 29 32.73 +20 56 10.4 o 204
2006-03-12 02:51:57 C 14 29 33.12 +20 56 13.1 o 204
2006-03-13 22:11:04 C 14 34 01.88 +21 20 55.4 r A13
2006-03-13 22:41:14 C 14 34 04.92 +21 21 12.8 o 198
2006-03-13 22:41:56 C 14 34 05.11 +21 21 14.4 r A13
2006-03-13 22:43:05 C 14 34 05.11 +21 21 14.0 o 198
2006-03-13 22:44:40 C 14 34 05.27 +21 21 15.0 o 198
2006-03-13 23:33:12 C 14 34 10.38 +21 21 46.0 r A13
2006-03-13 23:54:08 C 14 34 12.56 +21 21 58.6 r A13
2006-03-14 01:01:16 C 14 34 18.84 +21 22 34.3 r 084
2006-03-17 11:13:50 C 14 43 40.48 +22 13 42.9 r H45
2006-03-17 11:20:36 C 14 43 41.26 +22 13 47.1 r H45
2006-03-17 11:21:42 C 14 43 41.35 +22 13 47.8 r H45
2006-03-17 11:23:26 C 14 43 41.61 +22 13 49.6 r H45
2006-03-18 01:39:23 C 14 45 28.60 +22 23 02.7 r 084
2006-03-18 01:42:30 C 14 45 28.95 +22 23 04.5 r 084
2006-03-19 09:55:27 C 14 49 40.68 +22 45 10.9 16.9 c 704
2006-03-19 10:11:19 C 14 49 42.58 +22 45 22.0 16.9 c 704
2006-03-19 10:27:21 C 14 49 44.59 +22 45 32.7 16.8 c 704
2006-03-19 10:43:13 C 14 49 46.60 +22 45 43.5 16.7 c 704
2006-03-19 10:59:07 C 14 49 48.61 +22 45 54.8 16.7 c 704
2006-03-19 23:31:24 C 14 51 32.74 +22 54 33.4 c A53
2006-03-19 23:40:56 C 14 51 34.12 +22 54 39.9 c A53
2006-03-19 23:46:13 C 14 51 34.69 +22 54 44.2 c A53
2006-03-19 23:59:29 C 14 51 35.86 +22 54 45.6 15.6 A70
2006-03-20 00:03:08 C 14 51 37.03 +22 54 56.1 c A53
2006-03-20 00:13:08 C 14 51 38.40 +22 55 02.6 r A13
2006-03-20 00:13:50 C 14 51 37.84 +22 54 55.8 15.3 A70
2006-03-20 00:20:09 C 14 51 38.67 +22 55 00.0 15.9 A70
2006-03-20 00:25:19 C 14 51 39.39 +22 55 04.3 16.1 A70
2006-03-20 00:32:56 C 14 51 41.02 +22 55 16.9 r A13
2006-03-20 00:55:01 C 14 51 43.94 +22 55 32.9 r A13
2006-03-20 15:12:27 C 14 53 45.37 +23 05 50.2 r 379
2006-03-20 15:21:04 C 14 53 46.56 +23 05 56.1 r 379
2006-03-20 15:23:56 C 14 53 46.96 +23 05 58.6 r 379
2006-03-21 09:27:12 C 14 56 24.67 +23 19 12.4 16.9 c 704
2006-03-21 09:43:14 C 14 56 26.97 +23 19 24.2 17.2 c 704
2006-03-21 09:59:18 C 14 56 29.23 +23 19 35.9 17.2 c 704
2006-03-21 09:59:29 C 14 56 29.41 +23 19 37.9 17.3 c 704
2006-03-21 10:15:28 C 14 56 31.51 +23 19 48.3 16.7 c 704
2006-03-21 10:15:37 C 14 56 31.53 +23 19 48.8 16.6 c 704
2006-03-21 10:32:06 C 14 56 33.86 +23 20 00.5 16.5 c 704
2006-03-21 10:32:16 C 14 56 33.81 +23 20 00.7 16.6 c 704
2006-03-23 18:15:12 C 15 05 31.03 +24 02 50.4 r 379
2006-03-23 18:20:57 C 15 05 31.98 +24 02 55.1 r 379
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)