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 19:10:09 v 1 055.57603 -21.19273 247
2021-06-30 08:16:36 V 18 39 23.37 -39 50 53.0 14.5 V 247
2021-06-30 08:16:36 v 1 201.91295 +21.37122 247
2021-06-30 08:17:16 V 18 39 23.27 -39 50 55.9 14.8 V 247
2021-06-30 08:17:16 v 1 201.91295 +21.37122 247
2021-06-30 08:17:55 V 18 39 23.21 -39 50 57.8 14.6 V 247
2021-06-30 08:17:55 v 1 201.91295 +21.37122 247
2021-06-30 08:18:35 V 18 39 23.11 -39 51 00.3 14.9 V 247
2021-06-30 08:18:35 v 1 201.91295 +21.37122 247
2021-06-30 08:19:15 V 18 39 23.06 -39 51 02.2 15.4 V 247
2021-06-30 08:19:15 v 1 201.91295 +21.37122 247
2021-06-30 08:19:55 V 18 39 22.98 -39 51 04.4 15.2 V 247
2021-06-30 08:19:55 v 1 201.91295 +21.37122 247
2021-06-30 08:20:34 V 18 39 22.87 -39 51 07.1 14.7 V 247
2021-06-30 08:20:34 v 1 201.91295 +21.37122 247
2021-06-30 08:21:14 V 18 39 22.87 -39 51 08.6 15.0 V 247
2021-06-30 08:21:14 v 1 201.91295 +21.37122 247
2021-06-30 08:21:54 V 18 39 22.79 -39 51 11.7 15.5 V 247
2021-06-30 08:21:54 v 1 201.91295 +21.37122 247
2021-06-30 08:22:33 V 18 39 22.72 -39 51 13.3 14.7 V 247
2021-06-30 08:22:33 v 1 201.91295 +21.37122 247
2021-06-30 08:23:13 V 18 39 22.64 -39 51 15.6 15.1 V 247
2021-06-30 08:23:13 v 1 201.91295 +21.37122 247
2021-06-30 08:23:53 V 18 39 22.52 -39 51 18.1 15.4 V 247
2021-06-30 08:23:53 v 1 201.91295 +21.37122 247
2021-06-30 08:24:33 V 18 39 22.50 -39 51 20.5 14.9 V 247
2021-06-30 08:24:33 v 1 201.91295 +21.37122 247
2021-06-30 08:25:12 V 18 39 22.41 -39 51 22.8 15.2 V 247
2021-06-30 08:25:12 v 1 201.91295 +21.37122 247
2021-06-30 08:25:52 V 18 39 22.32 -39 51 24.4 14.8 V 247
2021-06-30 08:25:52 v 1 201.91295 +21.37122 247
2021-06-30 08:26:32 V 18 39 22.30 -39 51 27.3 15.9 V 247
2021-06-30 08:26:32 v 1 201.91295 +21.37122 247
2021-06-30 08:27:11 V 18 39 22.22 -39 51 29.0 15.8 V 247
2021-06-30 08:27:11 v 1 201.91295 +21.37122 247
2021-06-30 08:27:51 V 18 39 22.14 -39 51 32.0 15.5 V 247
2021-06-30 08:27:51 v 1 201.91295 +21.37122 247
2021-06-30 08:28:31 V 18 39 22.09 -39 51 34.6 15.5 V 247
2021-06-30 08:28:31 v 1 201.91295 +21.37122 247
2021-06-30 08:29:11 V 18 39 22.03 -39 51 36.8 15.5 V 247
2021-06-30 08:29:11 v 1 201.91295 +21.37122 247
2021-06-30 08:29:50 V 18 39 21.94 -39 51 38.6 16.1 V 247
2021-06-30 08:29:50 v 1 201.91295 +21.37122 247
2021-06-30 08:30:30 V 18 39 21.87 -39 51 40.6 16.2 V 247
2021-06-30 08:30:30 v 1 201.91295 +21.37122 247
2021-06-30 08:31:10 V 18 39 21.79 -39 51 43.7 16.3 V 247
2021-06-30 08:31:10 v 1 201.91295 +21.37122 247
2021-06-30 08:32:29 V 18 39 21.64 -39 51 48.5 16.0 V 247
2021-06-30 08:32:29 v 1 201.91295 +21.37122 247
2021-06-30 08:33:09 V 18 39 21.62 -39 51 50.6 15.5 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)