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 11:48:11 v 1 201.91295 +21.37100 247
2021-06-29 11:48:50 V 18 41 08.20 -38 39 12.8 15.5 V 247
2021-06-29 11:48:50 v 1 201.91295 +21.37100 247
2021-06-29 11:49:30 V 18 41 08.12 -38 39 15.0 14.8 V 247
2021-06-29 11:49:30 v 1 201.91295 +21.37100 247
2021-06-29 11:50:10 V 18 41 08.05 -38 39 17.3 15.0 V 247
2021-06-29 11:50:10 v 1 201.91295 +21.37100 247
2021-06-29 11:50:49 V 18 41 07.95 -38 39 20.1 14.6 V 247
2021-06-29 11:50:49 v 1 201.91295 +21.37100 247
2021-06-29 11:51:29 V 18 41 07.86 -38 39 22.0 15.2 V 247
2021-06-29 11:51:29 v 1 201.91295 +21.37100 247
2021-06-29 11:52:09 V 18 41 07.78 -38 39 24.7 15.1 V 247
2021-06-29 11:52:09 v 1 201.91295 +21.37100 247
2021-06-29 11:52:48 V 18 41 07.71 -38 39 27.0 14.9 V 247
2021-06-29 11:52:48 v 1 201.91295 +21.37100 247
2021-06-29 11:53:28 V 18 41 07.59 -38 39 29.1 14.8 V 247
2021-06-29 11:53:28 v 1 201.91295 +21.37100 247
2021-06-29 11:54:08 V 18 41 07.57 -38 39 31.8 14.6 V 247
2021-06-29 11:54:08 v 1 201.91295 +21.37100 247
2021-06-29 11:54:48 V 18 41 07.48 -38 39 34.2 15.0 V 247
2021-06-29 11:54:48 v 1 201.91295 +21.37100 247
2021-06-29 11:55:27 V 18 41 07.39 -38 39 36.6 14.9 V 247
2021-06-29 11:55:27 v 1 201.91295 +21.37100 247
2021-06-29 11:56:07 V 18 41 07.34 -38 39 38.8 14.9 V 247
2021-06-29 11:56:07 v 1 201.91295 +21.37100 247
2021-06-29 11:56:47 V 18 41 07.24 -38 39 41.3 15.0 V 247
2021-06-29 11:56:47 v 1 201.91295 +21.37100 247
2021-06-29 11:57:26 V 18 41 07.19 -38 39 43.4 14.7 V 247
2021-06-29 11:57:26 v 1 201.91295 +21.37100 247
2021-06-29 11:58:06 V 18 41 07.11 -38 39 45.9 14.7 V 247
2021-06-29 11:58:06 v 1 201.91295 +21.37100 247
2021-06-29 11:58:46 V 18 41 07.02 -38 39 48.5 14.8 V 247
2021-06-29 11:58:46 v 1 201.91295 +21.37100 247
2021-06-29 12:06:43 V 18 41 06.10 -38 40 16.9 15.3 V 247
2021-06-29 12:06:43 v 1 201.91295 +21.37100 247
2021-06-29 12:07:23 V 18 41 06.00 -38 40 19.8 15.9 V 247
2021-06-29 12:07:23 v 1 201.91295 +21.37100 247
2021-06-29 12:08:03 V 18 41 05.95 -38 40 21.7 15.0 V 247
2021-06-29 12:08:03 v 1 201.91295 +21.37100 247
2021-06-29 12:08:42 V 18 41 05.87 -38 40 24.6 15.3 V 247
2021-06-29 12:08:42 v 1 201.91295 +21.37100 247
2021-06-29 12:09:22 V 18 41 05.79 -38 40 26.6 15.5 V 247
2021-06-29 12:09:22 v 1 201.91295 +21.37100 247
2021-06-29 12:10:02 V 18 41 05.72 -38 40 29.5 15.4 V 247
2021-06-29 12:10:02 v 1 201.91295 +21.37100 247
2021-06-29 12:10:41 V 18 41 05.64 -38 40 31.7 16.0 V 247
2021-06-29 12:10:41 v 1 201.91295 +21.37100 247
2021-06-29 12:11:21 V 18 41 05.54 -38 40 34.3 16.2 V 247
2021-06-29 12:11:21 v 1 201.91295 +21.37100 247
2021-06-29 12:12:01 V 18 41 05.46 -38 40 36.8 15.7 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)