450263 (2003 WD158)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4091625420 ± 1.52e-08
Semi-major axis (a)1.4263477944 AU ± 1.46e-09
Inclination (i)16.72793841° ± 7.91e-07
Long. of Asc. Node (Ω)92.19813289° ± 5.62e-07
Arg. of Perihelion (ω)102.36816257° ± 3.09e-06
Mean Anomaly (M)248.55192838° ± 1.20e-06
Mean Motion (n)0.5785942639°/day ± 8.91e-10
Perihelion dist (q)0.84273971 AU ± 2.17e-08
Aphelion dist (Q)2.00995588 AU ± 2.18e-08
Orbital Period1.70348437 yr ± 2.62e-09
Physical Parameters
H (abs. magnitude)18.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.544″
Uncertainty0
Orbit TypeApollo
MOID0.046080 AU
Observations Used5311
Radar Obs Used4
Oppositions7
Arc Total2003-2026
First Observation Used2003-11-30
Last Observation Used2026-01-22
Observations (10017)
Date Type RA Dec Mag Band Observatory
2021-06-20 16:04:13 v 1 138.70718 +36.35424 247
2021-06-20 16:04:45 V 19 09 08.65 -12 56 10.6 13.2 V 247
2021-06-20 16:04:45 v 1 138.70718 +36.35424 247
2021-06-20 16:05:17 V 19 09 08.51 -12 56 18.4 13.3 V 247
2021-06-20 16:05:17 v 1 138.70718 +36.35424 247
2021-06-20 16:05:48 V 19 09 08.43 -12 56 24.9 13.3 V 247
2021-06-20 16:05:48 v 1 138.70718 +36.35424 247
2021-06-20 16:06:20 V 19 09 08.32 -12 56 31.6 13.4 V 247
2021-06-20 16:06:20 v 1 138.70718 +36.35424 247
2021-06-20 16:06:52 V 19 09 08.18 -12 56 38.5 13.5 V 247
2021-06-20 16:06:52 v 1 138.70718 +36.35424 247
2021-06-20 16:07:24 V 19 09 08.10 -12 56 44.9 13.4 V 247
2021-06-20 16:07:24 v 1 138.70718 +36.35424 247
2021-06-20 16:07:55 V 19 09 07.94 -12 56 52.0 13.6 V 247
2021-06-20 16:07:55 v 1 138.70718 +36.35424 247
2021-06-20 16:08:27 V 19 09 07.83 -12 56 59.9 13.8 V 247
2021-06-20 16:08:27 v 1 138.70718 +36.35424 247
2021-06-20 16:08:59 V 19 09 07.72 -12 57 06.0 13.9 V 247
2021-06-20 16:08:59 v 1 138.70718 +36.35424 247
2021-06-20 16:09:31 V 19 09 07.63 -12 57 12.6 13.8 V 247
2021-06-20 16:09:31 v 1 138.70718 +36.35424 247
2021-06-20 16:10:03 V 19 09 07.47 -12 57 20.0 14.0 V 247
2021-06-20 16:10:03 v 1 138.70718 +36.35424 247
2021-06-20 16:10:34 V 19 09 07.36 -12 57 26.7 13.9 V 247
2021-06-20 16:10:34 v 1 138.70718 +36.35424 247
2021-06-20 16:11:06 V 19 09 07.25 -12 57 33.2 13.6 V 247
2021-06-20 16:11:06 v 1 138.70718 +36.35424 247
2021-06-20 16:11:38 V 19 09 07.13 -12 57 40.6 13.3 V 247
2021-06-20 16:11:38 v 1 138.70718 +36.35424 247
2021-06-20 16:12:10 V 19 09 07.03 -12 57 46.5 13.4 V 247
2021-06-20 16:12:10 v 1 138.70718 +36.35424 247
2021-06-20 16:12:41 V 19 09 06.96 -12 57 53.3 13.2 V 247
2021-06-20 16:12:41 v 1 138.70718 +36.35424 247
2021-06-20 16:13:13 V 19 09 06.79 -12 58 01.0 13.2 V 247
2021-06-20 16:13:13 v 1 138.70718 +36.35424 247
2021-06-20 16:13:45 V 19 09 06.66 -12 58 07.8 13.2 V 247
2021-06-20 16:13:45 v 1 138.70718 +36.35424 247
2021-06-20 16:14:17 V 19 09 06.55 -12 58 14.1 13.3 V 247
2021-06-20 16:14:17 v 1 138.70718 +36.35424 247
2021-06-20 16:14:48 V 19 09 06.44 -12 58 21.4 13.4 V 247
2021-06-20 16:14:48 v 1 138.70718 +36.35424 247
2021-06-20 16:15:20 V 19 09 06.34 -12 58 28.3 13.3 V 247
2021-06-20 16:15:20 v 1 138.70718 +36.35424 247
2021-06-20 16:15:52 V 19 09 06.23 -12 58 35.3 13.2 V 247
2021-06-20 16:15:52 v 1 138.70718 +36.35424 247
2021-06-20 16:16:24 V 19 09 06.10 -12 58 41.9 13.0 V 247
2021-06-20 16:16:24 v 1 138.70718 +36.35424 247
2021-06-20 16:16:56 V 19 09 05.96 -12 58 48.8 13.1 V 247
2021-06-20 16:16:56 v 1 138.70718 +36.35424 247
2021-06-20 16:17:27 V 19 09 05.85 -12 58 55.6 13.2 V 247
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-06-12 04:20:00 330282.96 0.04 Hz 8560 -14 -14
2021-06-12 04:40:00 57906827.55 1 us 8560 -14 -14
2021-06-12 14:10:00 270117.786 0.04 Hz 8560 -14 -14
2021-06-12 15:10:00 56587103.74 0.125 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)