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 09:18:57 v 1 201.91295 +21.37100 247
2021-06-29 09:19:37 V 18 41 25.63 -38 29 56.1 14.8 V 247
2021-06-29 09:19:37 v 1 201.91295 +21.37100 247
2021-06-29 09:20:16 V 18 41 25.56 -38 29 58.7 14.8 V 247
2021-06-29 09:20:16 v 1 201.91295 +21.37100 247
2021-06-29 09:20:56 V 18 41 25.48 -38 30 01.2 14.7 V 247
2021-06-29 09:20:56 v 1 201.91295 +21.37100 247
2021-06-29 09:21:36 V 18 41 25.42 -38 30 03.6 15.2 V 247
2021-06-29 09:21:36 v 1 201.91295 +21.37100 247
2021-06-29 09:22:15 V 18 41 25.34 -38 30 06.4 15.0 V 247
2021-06-29 09:22:15 v 1 201.91295 +21.37100 247
2021-06-29 09:22:55 V 18 41 25.24 -38 30 08.7 15.0 V 247
2021-06-29 09:22:55 v 1 201.91295 +21.37100 247
2021-06-29 09:23:35 V 18 41 25.17 -38 30 11.4 14.9 V 247
2021-06-29 09:23:35 v 1 201.91295 +21.37100 247
2021-06-29 09:24:14 V 18 41 25.10 -38 30 13.9 14.9 V 247
2021-06-29 09:24:14 v 1 201.91295 +21.37100 247
2021-06-29 09:24:54 V 18 41 25.02 -38 30 16.3 14.9 V 247
2021-06-29 09:24:54 v 1 201.91295 +21.37100 247
2021-06-29 09:25:34 V 18 41 24.93 -38 30 18.9 15.0 V 247
2021-06-29 09:25:34 v 1 201.91295 +21.37100 247
2021-06-29 09:26:14 V 18 41 24.87 -38 30 21.5 14.9 V 247
2021-06-29 09:26:14 v 1 201.91295 +21.37100 247
2021-06-29 09:26:53 V 18 41 24.78 -38 30 24.0 15.1 V 247
2021-06-29 09:26:53 v 1 201.91295 +21.37100 247
2021-06-29 09:27:33 V 18 41 24.72 -38 30 26.3 15.1 V 247
2021-06-29 09:27:33 v 1 201.91295 +21.37100 247
2021-06-29 09:28:13 V 18 41 24.62 -38 30 28.8 15.2 V 247
2021-06-29 09:28:13 v 1 201.91295 +21.37100 247
2021-06-29 09:28:52 V 18 41 24.57 -38 30 31.2 14.8 V 247
2021-06-29 09:28:52 v 1 201.91295 +21.37100 247
2021-06-29 09:29:32 V 18 41 24.50 -38 30 33.7 15.2 V 247
2021-06-29 09:29:32 v 1 201.91295 +21.37100 247
2021-06-29 09:30:12 V 18 41 24.38 -38 30 36.3 14.9 V 247
2021-06-29 09:30:12 v 1 201.91295 +21.37100 247
2021-06-29 09:30:52 V 18 41 24.33 -38 30 39.1 15.5 V 247
2021-06-29 09:30:52 v 1 201.91295 +21.37100 247
2021-06-29 09:31:31 V 18 41 24.25 -38 30 41.5 15.3 V 247
2021-06-29 09:31:31 v 1 201.91295 +21.37100 247
2021-06-29 09:32:11 V 18 41 24.17 -38 30 44.0 15.5 V 247
2021-06-29 09:32:11 v 1 201.91295 +21.37100 247
2021-06-29 09:32:51 V 18 41 24.11 -38 30 46.4 16.4 V 247
2021-06-29 09:32:51 v 1 201.91295 +21.37100 247
2021-06-29 09:33:30 V 18 41 24.02 -38 30 49.0 15.7 V 247
2021-06-29 09:33:30 v 1 201.91295 +21.37100 247
2021-06-29 09:34:10 V 18 41 23.95 -38 30 51.7 15.7 V 247
2021-06-29 09:34:10 v 1 201.91295 +21.37100 247
2021-06-29 09:34:50 V 18 41 23.87 -38 30 53.9 15.6 V 247
2021-06-29 09:34:50 v 1 201.91295 +21.37100 247
2021-06-29 09:35:30 V 18 41 23.79 -38 30 56.7 15.1 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)