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
2021-06-17 21:11:07 V 19 23 32.45 +04 27 17.2 12.6 V 247
2021-06-17 21:11:07 v 1 033.33054 +35.08946 247
2021-06-17 21:12:43 V 19 23 32.03 +04 26 48.8 13.8 V 247
2021-06-17 21:12:43 v 1 033.33054 +35.08946 247
2021-06-17 21:13:46 V 19 23 31.70 +04 26 30.1 13.7 V 247
2021-06-17 21:13:46 v 1 033.33054 +35.08946 247
2021-06-17 21:14:18 V 19 23 31.59 +04 26 20.3 13.7 V 247
2021-06-17 21:14:18 v 1 033.33054 +35.08946 247
2021-06-17 21:18:00 V 19 23 30.53 +04 25 13.1 13.8 V 247
2021-06-17 21:18:00 v 1 033.33054 +35.08946 247
2021-06-17 21:18:32 V 19 23 30.38 +04 25 02.9 13.6 V 247
2021-06-17 21:18:32 v 1 033.33054 +35.08946 247
2021-06-17 21:19:04 V 19 23 30.22 +04 24 54.2 13.7 V 247
2021-06-17 21:19:04 v 1 033.33054 +35.08946 247
2021-06-17 21:19:36 V 19 23 30.07 +04 24 44.4 13.6 V 247
2021-06-17 21:19:36 v 1 033.33054 +35.08946 247
2021-06-17 21:20:07 V 19 23 29.94 +04 24 34.4 13.6 V 247
2021-06-17 21:20:07 v 1 033.33054 +35.08946 247
2021-06-17 21:20:39 V 19 23 29.81 +04 24 24.3 13.7 V 247
2021-06-17 21:20:39 v 1 033.33054 +35.08946 247
2021-06-17 21:21:11 V 19 23 29.68 +04 24 16.0 13.7 V 247
2021-06-17 21:21:11 v 1 033.33054 +35.08946 247
2021-06-17 21:21:43 V 19 23 29.52 +04 24 06.2 13.7 V 247
2021-06-17 21:21:43 v 1 033.33054 +35.08946 247
2021-06-17 21:22:14 V 19 23 29.37 +04 23 56.9 13.9 V 247
2021-06-17 21:22:14 v 1 033.33054 +35.08946 247
2021-06-17 21:22:46 V 19 23 29.23 +04 23 46.5 13.7 V 247
2021-06-17 21:22:46 v 1 033.33054 +35.08946 247
2021-06-17 21:23:18 V 19 23 29.06 +04 23 36.8 13.5 V 247
2021-06-17 21:23:18 v 1 033.33054 +35.08946 247
2021-06-17 21:23:50 V 19 23 28.94 +04 23 28.0 13.5 V 247
2021-06-17 21:23:50 v 1 033.33054 +35.08946 247
2021-06-17 21:24:22 V 19 23 28.77 +04 23 17.3 13.9 V 247
2021-06-17 21:24:22 v 1 033.33054 +35.08946 247
2021-06-17 21:24:53 V 19 23 28.63 +04 23 08.2 14.1 V 247
2021-06-17 21:24:53 v 1 033.33054 +35.08946 247
2021-06-17 21:25:25 V 19 23 28.48 +04 22 58.3 13.5 V 247
2021-06-17 21:25:25 v 1 033.33054 +35.08946 247
2021-06-17 21:25:57 V 19 23 28.32 +04 22 48.9 13.0 V 247
2021-06-17 21:25:57 v 1 033.33054 +35.08946 247
2021-06-17 21:27:00 V 19 23 28.02 +04 22 29.5 13.3 V 247
2021-06-17 21:27:00 v 1 033.33054 +35.08946 247
2021-06-17 21:27:32 V 19 23 27.90 +04 22 21.1 13.7 V 247
2021-06-17 21:27:32 v 1 033.33054 +35.08946 247
2021-06-17 21:28:04 V 19 23 27.75 +04 22 10.4 13.9 V 247
2021-06-17 21:28:04 v 1 033.33054 +35.08946 247
2021-06-17 21:28:36 V 19 23 27.61 +04 22 01.5 13.8 V 247
2021-06-17 21:28:36 v 1 033.33054 +35.08946 247
2021-06-17 21:29:07 V 19 23 27.45 +04 21 51.5 14.3 V 247
2021-06-17 21:29:07 v 1 033.33054 +35.08946 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)