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
2021-06-29 09:02:24 v 1 201.91295 +21.37100 247
2021-06-29 09:03:04 V 18 41 27.56 -38 28 52.8 14.8 V 247
2021-06-29 09:03:04 v 1 201.91295 +21.37100 247
2021-06-29 09:03:43 V 18 41 27.48 -38 28 55.4 15.3 V 247
2021-06-29 09:03:43 v 1 201.91295 +21.37100 247
2021-06-29 09:04:23 V 18 41 27.40 -38 28 58.1 14.9 V 247
2021-06-29 09:04:23 v 1 201.91295 +21.37100 247
2021-06-29 09:05:03 V 18 41 27.32 -38 29 00.3 14.9 V 247
2021-06-29 09:05:03 v 1 201.91295 +21.37100 247
2021-06-29 09:05:43 V 18 41 27.24 -38 29 03.2 14.8 V 247
2021-06-29 09:05:43 v 1 201.91295 +21.37100 247
2021-06-29 09:06:22 V 18 41 27.17 -38 29 05.6 15.0 V 247
2021-06-29 09:06:22 v 1 201.91295 +21.37100 247
2021-06-29 09:07:02 V 18 41 27.10 -38 29 08.2 14.9 V 247
2021-06-29 09:07:02 v 1 201.91295 +21.37100 247
2021-06-29 09:07:42 V 18 41 27.03 -38 29 10.8 15.1 V 247
2021-06-29 09:07:42 v 1 201.91295 +21.37100 247
2021-06-29 09:08:21 V 18 41 26.95 -38 29 13.3 15.1 V 247
2021-06-29 09:08:21 v 1 201.91295 +21.37100 247
2021-06-29 09:09:01 V 18 41 26.85 -38 29 15.6 15.1 V 247
2021-06-29 09:09:01 v 1 201.91295 +21.37100 247
2021-06-29 09:09:41 V 18 41 26.78 -38 29 18.6 15.2 V 247
2021-06-29 09:09:41 v 1 201.91295 +21.37100 247
2021-06-29 09:10:21 V 18 41 26.70 -38 29 20.8 14.8 V 247
2021-06-29 09:10:21 v 1 201.91295 +21.37100 247
2021-06-29 09:11:00 V 18 41 26.65 -38 29 23.2 15.3 V 247
2021-06-29 09:11:00 v 1 201.91295 +21.37100 247
2021-06-29 09:11:40 V 18 41 26.53 -38 29 25.8 14.9 V 247
2021-06-29 09:11:40 v 1 201.91295 +21.37100 247
2021-06-29 09:12:20 V 18 41 26.50 -38 29 28.3 15.1 V 247
2021-06-29 09:12:20 v 1 201.91295 +21.37100 247
2021-06-29 09:12:59 V 18 41 26.41 -38 29 30.6 15.0 V 247
2021-06-29 09:12:59 v 1 201.91295 +21.37100 247
2021-06-29 09:13:39 V 18 41 26.35 -38 29 33.4 14.9 V 247
2021-06-29 09:13:39 v 1 201.91295 +21.37100 247
2021-06-29 09:14:19 V 18 41 26.23 -38 29 36.0 14.8 V 247
2021-06-29 09:14:19 v 1 201.91295 +21.37100 247
2021-06-29 09:14:58 V 18 41 26.18 -38 29 38.5 14.6 V 247
2021-06-29 09:14:58 v 1 201.91295 +21.37100 247
2021-06-29 09:15:38 V 18 41 26.11 -38 29 40.8 14.6 V 247
2021-06-29 09:15:38 v 1 201.91295 +21.37100 247
2021-06-29 09:16:18 V 18 41 26.02 -38 29 43.5 14.5 V 247
2021-06-29 09:16:18 v 1 201.91295 +21.37100 247
2021-06-29 09:16:58 V 18 41 25.94 -38 29 45.9 14.8 V 247
2021-06-29 09:16:58 v 1 201.91295 +21.37100 247
2021-06-29 09:17:37 V 18 41 25.86 -38 29 48.9 15.0 V 247
2021-06-29 09:17:37 v 1 201.91295 +21.37100 247
2021-06-29 09:18:17 V 18 41 25.79 -38 29 51.0 14.6 V 247
2021-06-29 09:18:17 v 1 201.91295 +21.37100 247
2021-06-29 09:18:57 V 18 41 25.70 -38 29 53.5 15.2 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)