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 11:09:07 v 1 201.91295 +21.37100 247
2021-06-29 11:09:46 V 18 41 12.71 -38 36 48.9 15.2 V 247
2021-06-29 11:09:46 v 1 201.91295 +21.37100 247
2021-06-29 11:10:26 V 18 41 12.63 -38 36 51.7 15.2 V 247
2021-06-29 11:10:26 v 1 201.91295 +21.37100 247
2021-06-29 11:11:06 V 18 41 12.55 -38 36 54.0 15.2 V 247
2021-06-29 11:11:06 v 1 201.91295 +21.37100 247
2021-06-29 11:11:45 V 18 41 12.47 -38 36 56.8 16.1 V 247
2021-06-29 11:11:45 v 1 201.91295 +21.37100 247
2021-06-29 11:12:25 V 18 41 12.42 -38 36 58.9 16.1 V 247
2021-06-29 11:12:25 v 1 201.91295 +21.37100 247
2021-06-29 11:13:05 V 18 41 12.33 -38 37 01.6 15.2 V 247
2021-06-29 11:13:05 v 1 201.91295 +21.37100 247
2021-06-29 11:13:45 V 18 41 12.26 -38 37 03.9 15.1 V 247
2021-06-29 11:13:45 v 1 201.91295 +21.37100 247
2021-06-29 11:14:24 V 18 41 12.19 -38 37 06.3 14.7 V 247
2021-06-29 11:14:24 v 1 201.91295 +21.37100 247
2021-06-29 11:15:04 V 18 41 12.12 -38 37 09.2 14.1 V 247
2021-06-29 11:15:04 v 1 201.91295 +21.37100 247
2021-06-29 11:15:44 V 18 41 12.07 -38 37 11.6 13.8 V 247
2021-06-29 11:15:44 v 1 201.91295 +21.37100 247
2021-06-29 11:20:23 V 18 41 11.50 -38 37 28.0 14.3 V 247
2021-06-29 11:20:23 v 1 201.91295 +21.37100 247
2021-06-29 11:21:02 V 18 41 11.41 -38 37 30.7 14.3 V 247
2021-06-29 11:21:02 v 1 201.91295 +21.37100 247
2021-06-29 11:21:42 V 18 41 11.33 -38 37 33.0 14.9 V 247
2021-06-29 11:21:42 v 1 201.91295 +21.37100 247
2021-06-29 11:22:22 V 18 41 11.21 -38 37 36.1 15.0 V 247
2021-06-29 11:22:22 v 1 201.91295 +21.37100 247
2021-06-29 11:23:01 V 18 41 11.12 -38 37 40.3 14.7 V 247
2021-06-29 11:23:01 v 1 201.91295 +21.37100 247
2021-06-29 11:24:21 V 18 41 11.03 -38 37 43.7 14.4 V 247
2021-06-29 11:24:21 v 1 201.91295 +21.37100 247
2021-06-29 11:25:01 V 18 41 10.99 -38 37 45.6 14.2 V 247
2021-06-29 11:25:01 v 1 201.91295 +21.37100 247
2021-06-29 11:25:40 V 18 41 10.89 -38 37 48.0 14.2 V 247
2021-06-29 11:25:40 v 1 201.91295 +21.37100 247
2021-06-29 11:26:20 V 18 41 10.81 -38 37 51.5 14.2 V 247
2021-06-29 11:26:20 v 1 201.91295 +21.37100 247
2021-06-29 11:27:00 V 18 41 10.79 -38 37 54.5 14.0 V 247
2021-06-29 11:27:00 v 1 201.91295 +21.37100 247
2021-06-29 11:27:39 V 18 41 10.75 -38 37 55.4 14.1 V 247
2021-06-29 11:27:39 v 1 201.91295 +21.37100 247
2021-06-29 11:28:59 V 18 41 10.58 -38 37 59.6 14.1 V 247
2021-06-29 11:28:59 v 1 201.91295 +21.37100 247
2021-06-29 11:29:39 V 18 41 10.41 -38 38 02.4 14.4 V 247
2021-06-29 11:29:39 v 1 201.91295 +21.37100 247
2021-06-29 11:30:18 V 18 41 10.33 -38 38 04.7 14.5 V 247
2021-06-29 11:30:18 v 1 201.91295 +21.37100 247
2021-06-29 11:30:58 V 18 41 10.27 -38 38 07.4 14.4 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)