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
2021-06-27 09:15:04 V 18 46 18.12 -35 02 16.3 14.2 V 247
2021-06-27 09:15:04 v 1 151.94299 -27.45586 247
2021-06-27 09:15:43 V 18 46 18.05 -35 02 20.1 14.3 V 247
2021-06-27 09:15:43 v 1 151.94299 -27.45586 247
2021-06-27 09:16:23 V 18 46 17.97 -35 02 23.0 14.5 V 247
2021-06-27 09:16:23 v 1 151.94299 -27.45586 247
2021-06-27 09:17:03 V 18 46 17.90 -35 02 26.5 14.3 V 247
2021-06-27 09:17:03 v 1 151.94299 -27.45586 247
2021-06-27 09:17:42 V 18 46 17.82 -35 02 30.0 14.3 V 247
2021-06-27 09:17:42 v 1 151.94299 -27.45586 247
2021-06-27 09:18:22 V 18 46 17.75 -35 02 33.2 14.4 V 247
2021-06-27 09:18:22 v 1 151.94299 -27.45586 247
2021-06-27 09:19:02 V 18 46 17.63 -35 02 36.7 14.5 V 247
2021-06-27 09:19:02 v 1 151.94299 -27.45586 247
2021-06-27 09:19:42 V 18 46 17.60 -35 02 40.1 14.6 V 247
2021-06-27 09:19:42 v 1 151.94299 -27.45586 247
2021-06-27 09:20:21 V 18 46 17.54 -35 02 43.4 14.3 V 247
2021-06-27 09:20:21 v 1 151.94299 -27.45586 247
2021-06-27 09:21:01 V 18 46 17.45 -35 02 46.5 14.5 V 247
2021-06-27 09:21:01 v 1 151.94299 -27.45586 247
2021-06-27 09:21:41 V 18 46 17.40 -35 02 50.5 14.3 V 247
2021-06-27 09:21:41 v 1 151.94299 -27.45586 247
2021-06-27 09:22:21 V 18 46 17.37 -35 02 54.4 14.4 V 247
2021-06-27 09:22:21 v 1 151.94299 -27.45586 247
2021-06-27 09:23:00 V 18 46 17.31 -35 02 57.3 14.2 V 247
2021-06-27 09:23:00 v 1 151.94299 -27.45586 247
2021-06-27 09:23:40 V 18 46 17.18 -35 03 00.7 14.4 V 247
2021-06-27 09:23:40 v 1 151.94299 -27.45586 247
2021-06-27 09:24:20 V 18 46 17.07 -35 03 03.8 14.5 V 247
2021-06-27 09:24:20 v 1 151.94299 -27.45586 247
2021-06-27 09:24:59 V 18 46 17.04 -35 03 07.1 14.4 V 247
2021-06-27 09:24:59 v 1 151.94299 -27.45586 247
2021-06-27 09:25:39 V 18 46 16.98 -35 03 10.2 14.4 V 247
2021-06-27 09:25:39 v 1 151.94299 -27.45586 247
2021-06-27 09:26:19 V 18 46 16.90 -35 03 13.5 14.2 V 247
2021-06-27 09:26:19 v 1 151.94299 -27.45586 247
2021-06-27 09:26:58 V 18 46 16.81 -35 03 17.2 14.2 V 247
2021-06-27 09:26:58 v 1 151.94299 -27.45586 247
2021-06-27 09:27:38 V 18 46 16.73 -35 03 20.1 14.4 V 247
2021-06-27 09:27:38 v 1 151.94299 -27.45586 247
2021-06-27 09:28:18 V 18 46 16.68 -35 03 23.6 14.6 V 247
2021-06-27 09:28:18 v 1 151.94299 -27.45586 247
2021-06-27 09:39:33 V 18 46 15.24 -35 04 20.2 14.5 V 247
2021-06-27 09:39:33 v 1 151.94299 -27.45586 247
2021-06-27 09:40:13 V 18 46 15.26 -35 04 23.5 14.3 V 247
2021-06-27 09:40:13 v 1 151.94299 -27.45586 247
2021-06-27 09:40:52 V 18 46 15.16 -35 04 28.2 14.0 V 247
2021-06-27 09:40:52 v 1 151.94299 -27.45586 247
2021-06-27 09:41:32 V 18 46 15.04 -35 04 30.6 13.8 V 247
2021-06-27 09:41:32 v 1 151.94299 -27.45586 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)