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
2025-10-04 10:12:05 C 05 04 25.086 +24 57 27.79 V V00
2025-10-04 10:20:09 C 05 04 24.949 +24 57 30.13 V V00
2025-10-26 08:35:32 C 04 43 44.332 +27 17 32.82 V G96
2025-10-26 08:43:00 C 04 43 43.849 +27 17 34.44 V G96
2025-10-26 08:50:27 C 04 43 43.352 +27 17 36.13 V G96
2025-10-26 08:57:56 C 04 43 42.874 +27 17 37.86 V G96
2025-11-02 13:51:20 C 04 31 36.494 +27 51 36.12 X F51
2025-11-02 14:06:41 C 04 31 35.290 +27 51 38.60 X F51
2025-11-02 14:21:57 C 04 31 34.099 +27 51 41.07 X F51
2025-11-02 14:37:16 C 04 31 32.905 +27 51 43.48 X F51
2025-11-02 19:26:59 C 04 31 10.91 +27 52 30.2 V D29
2025-11-02 19:47:21 C 04 31 09.29 +27 52 33.3 V D29
2025-11-13 19:17:47 C 04 09 20.90 +28 21 35.0 V D29
2025-11-13 19:58:30 C 04 09 17.30 +28 21 36.4 V D29
2025-11-19 18:50:56 C 03 56 48.96 +28 24 24.0 V D29
2025-11-19 19:11:18 C 03 56 47.17 +28 24 23.5 V D29
2025-11-20 18:35:15 C 03 54 45.50 +28 23 59.8 V D29
2025-11-20 18:55:37 C 03 54 43.72 +28 23 59.2 V D29
2025-11-20 19:15:59 C 03 54 41.93 +28 23 58.3 V D29
2025-11-23 07:51:54 C 03 49 31.003 +28 21 55.88 X F52
2025-11-23 08:09:41 C 03 49 29.463 +28 21 55.11 X F52
2025-11-23 08:27:24 C 03 49 27.922 +28 21 54.39 X F52
2025-11-23 08:45:04 C 03 49 26.382 +28 21 53.76 X F52
2025-11-24 14:20:14 C 03 46 56.75 +28 20 19.6 V D29
2025-11-24 14:40:36 C 03 46 55.01 +28 20 18.7 V D29
2025-11-24 15:00:58 C 03 46 53.26 +28 20 17.5 V D29
2025-11-25 13:51:03 C 03 44 59.35 +28 18 52.8 V D29
2025-11-25 14:11:25 C 03 44 57.60 +28 18 51.4 V D29
2025-11-25 14:31:47 C 03 44 55.88 +28 18 49.9 V D29
2025-11-26 15:00:43 C 03 42 55.02 +28 17 07.4 V D29
2025-11-26 15:41:26 C 03 42 51.66 +28 17 05.1 V D29
2025-11-27 14:31:29 C 03 41 00.71 +28 15 17.4 V D29
2025-11-27 14:51:50 C 03 40 59.02 +28 15 16.0 V D29
2025-11-27 15:12:12 C 03 40 57.34 +28 15 14.3 V D29
2025-11-28 07:23:59 C 03 39 39.830 +28 13 53.45 X F52
2025-11-28 07:39:52 C 03 39 38.531 +28 13 52.23 X F52
2025-11-28 07:44:30 C 03 39 38.160 +28 13 51.79 X F52
2025-11-28 07:55:42 C 03 39 37.241 +28 13 50.93 X F52
2025-11-28 08:00:20 C 03 39 36.864 +28 13 50.50 X F52
2025-11-28 08:11:36 C 03 39 35.943 +28 13 49.65 X F52
2025-11-28 08:16:13 C 03 39 35.566 +28 13 49.20 X F52
2025-11-28 15:15:43 C 03 39 02.10 +28 13 10.7 V D29
2025-11-28 15:36:05 C 03 39 00.45 +28 13 09.1 V D29
2025-11-28 15:56:27 C 03 38 58.77 +28 13 06.8 V D29
2025-12-09 07:39:51 C 03 20 51.655 +27 43 14.02 V G96
2025-12-09 07:47:14 C 03 20 51.176 +27 43 12.68 V G96
2025-12-09 07:54:37 C 03 20 50.723 +27 43 11.60 V G96
2025-12-09 08:02:01 C 03 20 50.258 +27 43 10.70 V G96
2025-12-15 09:15:09 C 03 12 46.699 +27 23 05.38 X F51
2025-12-15 09:32:53 C 03 12 45.788 +27 23 02.82 X F51
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)