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
2021-06-28 12:24:18 V 18 43 21.58 -37 06 49.5 16.0 V 247
2021-06-28 12:24:18 v 1 201.91295 +21.37121 247
2021-06-28 12:24:49 V 18 43 21.53 -37 06 51.7 16.1 V 247
2021-06-28 12:24:49 v 1 201.91295 +21.37121 247
2021-06-28 12:25:21 V 18 43 21.48 -37 06 54.0 15.1 V 247
2021-06-28 12:25:21 v 1 201.91295 +21.37121 247
2021-06-28 12:25:53 V 18 43 21.39 -37 06 55.8 14.7 V 247
2021-06-28 12:25:53 v 1 201.91295 +21.37121 247
2021-06-28 12:26:25 V 18 43 21.34 -37 06 57.5 14.7 V 247
2021-06-28 12:26:25 v 1 201.91295 +21.37121 247
2021-06-28 12:26:57 V 18 43 21.28 -37 07 00.1 14.7 V 247
2021-06-28 12:26:57 v 1 201.91295 +21.37121 247
2021-06-28 12:27:28 V 18 43 21.20 -37 07 02.1 14.3 V 247
2021-06-28 12:27:28 v 1 201.91295 +21.37121 247
2021-06-28 12:28:00 V 18 43 21.15 -37 07 04.4 14.5 V 247
2021-06-28 12:28:00 v 1 201.91295 +21.37121 247
2021-06-28 12:28:32 V 18 43 21.08 -37 07 06.8 14.9 V 247
2021-06-28 12:28:32 v 1 201.91295 +21.37121 247
2021-06-28 12:29:04 V 18 43 20.98 -37 07 09.1 15.0 V 247
2021-06-28 12:29:04 v 1 201.91295 +21.37121 247
2021-06-28 12:29:35 V 18 43 20.95 -37 07 11.0 15.1 V 247
2021-06-28 12:29:35 v 1 201.91295 +21.37121 247
2021-06-28 12:30:07 V 18 43 20.87 -37 07 12.9 14.9 V 247
2021-06-28 12:30:07 v 1 201.91295 +21.37121 247
2021-06-28 12:30:39 V 18 43 20.81 -37 07 15.0 14.9 V 247
2021-06-28 12:30:39 v 1 201.91295 +21.37121 247
2021-06-28 12:31:11 V 18 43 20.71 -37 07 17.5 15.6 V 247
2021-06-28 12:31:11 v 1 201.91295 +21.37121 247
2021-06-28 12:31:42 V 18 43 20.67 -37 07 19.8 15.2 V 247
2021-06-28 12:31:42 v 1 201.91295 +21.37121 247
2021-06-28 12:32:14 V 18 43 20.61 -37 07 22.1 15.4 V 247
2021-06-28 12:32:14 v 1 201.91295 +21.37121 247
2021-06-28 12:32:46 V 18 43 20.55 -37 07 24.0 15.1 V 247
2021-06-28 12:32:46 v 1 201.91295 +21.37121 247
2021-06-28 12:33:18 V 18 43 20.49 -37 07 26.5 15.2 V 247
2021-06-28 12:33:18 v 1 201.91295 +21.37121 247
2021-06-28 12:33:50 V 18 43 20.43 -37 07 28.5 14.6 V 247
2021-06-28 12:33:50 v 1 201.91295 +21.37121 247
2021-06-28 12:34:21 V 18 43 20.35 -37 07 30.7 14.7 V 247
2021-06-28 12:34:21 v 1 201.91295 +21.37121 247
2021-06-28 12:34:53 V 18 43 20.30 -37 07 33.0 14.6 V 247
2021-06-28 12:34:53 v 1 201.91295 +21.37121 247
2021-06-28 12:35:25 V 18 43 20.24 -37 07 35.3 14.5 V 247
2021-06-28 12:35:25 v 1 201.91295 +21.37121 247
2021-06-28 12:35:57 V 18 43 20.16 -37 07 37.2 14.7 V 247
2021-06-28 12:35:57 v 1 201.91295 +21.37121 247
2021-06-28 12:36:28 V 18 43 20.09 -37 07 39.6 14.6 V 247
2021-06-28 12:36:28 v 1 201.91295 +21.37121 247
2021-06-28 12:37:00 V 18 43 20.03 -37 07 41.3 14.7 V 247
2021-06-28 12:37:00 v 1 201.91295 +21.37121 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)