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 11:30:58 v 1 201.91295 +21.37100 247
2021-06-29 11:31:38 V 18 41 10.17 -38 38 09.7 14.7 V 247
2021-06-29 11:31:38 v 1 201.91295 +21.37100 247
2021-06-29 11:32:17 V 18 41 10.10 -38 38 12.4 14.9 V 247
2021-06-29 11:32:17 v 1 201.91295 +21.37100 247
2021-06-29 11:32:57 V 18 41 10.03 -38 38 14.6 14.8 V 247
2021-06-29 11:32:57 v 1 201.91295 +21.37100 247
2021-06-29 11:33:37 V 18 41 09.95 -38 38 17.0 14.3 V 247
2021-06-29 11:33:37 v 1 201.91295 +21.37100 247
2021-06-29 11:34:17 V 18 41 09.86 -38 38 19.8 14.5 V 247
2021-06-29 11:34:17 v 1 201.91295 +21.37100 247
2021-06-29 11:34:56 V 18 41 09.79 -38 38 22.1 14.1 V 247
2021-06-29 11:34:56 v 1 201.91295 +21.37100 247
2021-06-29 11:35:36 V 18 41 09.68 -38 38 25.0 13.9 V 247
2021-06-29 11:35:36 v 1 201.91295 +21.37100 247
2021-06-29 11:36:16 V 18 41 09.59 -38 38 26.9 13.8 V 247
2021-06-29 11:36:16 v 1 201.91295 +21.37100 247
2021-06-29 11:36:55 V 18 41 09.56 -38 38 28.7 13.6 V 247
2021-06-29 11:36:55 v 1 201.91295 +21.37100 247
2021-06-29 11:38:15 V 18 41 09.40 -38 38 33.4 13.6 V 247
2021-06-29 11:38:15 v 1 201.91295 +21.37100 247
2021-06-29 11:38:55 V 18 41 09.30 -38 38 36.6 13.9 V 247
2021-06-29 11:38:55 v 1 201.91295 +21.37100 247
2021-06-29 11:39:34 V 18 41 09.21 -38 38 39.1 13.9 V 247
2021-06-29 11:39:34 v 1 201.91295 +21.37100 247
2021-06-29 11:40:14 V 18 41 09.09 -38 38 41.8 14.1 V 247
2021-06-29 11:40:14 v 1 201.91295 +21.37100 247
2021-06-29 11:40:54 V 18 41 09.04 -38 38 43.4 14.3 V 247
2021-06-29 11:40:54 v 1 201.91295 +21.37100 247
2021-06-29 11:41:33 V 18 41 09.01 -38 38 45.1 14.3 V 247
2021-06-29 11:41:33 v 1 201.91295 +21.37100 247
2021-06-29 11:42:13 V 18 41 08.96 -38 38 48.1 14.4 V 247
2021-06-29 11:42:13 v 1 201.91295 +21.37100 247
2021-06-29 11:42:53 V 18 41 08.87 -38 38 50.8 14.8 V 247
2021-06-29 11:42:53 v 1 201.91295 +21.37100 247
2021-06-29 11:43:32 V 18 41 08.80 -38 38 53.5 15.0 V 247
2021-06-29 11:43:32 v 1 201.91295 +21.37100 247
2021-06-29 11:44:12 V 18 41 08.72 -38 38 55.7 14.8 V 247
2021-06-29 11:44:12 v 1 201.91295 +21.37100 247
2021-06-29 11:44:52 V 18 41 08.64 -38 38 57.8 14.9 V 247
2021-06-29 11:44:52 v 1 201.91295 +21.37100 247
2021-06-29 11:45:32 V 18 41 08.53 -38 39 00.6 15.0 V 247
2021-06-29 11:45:32 v 1 201.91295 +21.37100 247
2021-06-29 11:46:11 V 18 41 08.47 -38 39 02.8 15.0 V 247
2021-06-29 11:46:11 v 1 201.91295 +21.37100 247
2021-06-29 11:46:51 V 18 41 08.38 -38 39 05.2 15.3 V 247
2021-06-29 11:46:51 v 1 201.91295 +21.37100 247
2021-06-29 11:47:31 V 18 41 08.36 -38 39 07.3 15.2 V 247
2021-06-29 11:47:31 v 1 201.91295 +21.37100 247
2021-06-29 11:48:11 V 18 41 08.26 -38 39 10.1 14.9 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)