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 10:26:35 v 1 201.91295 +21.37100 247
2021-06-29 10:27:15 V 18 41 17.71 -38 34 11.3 14.4 V 247
2021-06-29 10:27:15 v 1 201.91295 +21.37100 247
2021-06-29 10:27:54 V 18 41 17.60 -38 34 14.1 14.5 V 247
2021-06-29 10:27:54 v 1 201.91295 +21.37100 247
2021-06-29 10:28:34 V 18 41 17.56 -38 34 16.5 14.8 V 247
2021-06-29 10:28:34 v 1 201.91295 +21.37100 247
2021-06-29 10:29:14 V 18 41 17.46 -38 34 18.7 15.3 V 247
2021-06-29 10:29:14 v 1 201.91295 +21.37100 247
2021-06-29 10:33:37 V 18 41 16.89 -38 34 36.0 14.0 V 247
2021-06-29 10:33:37 v 1 201.91295 +21.37100 247
2021-06-29 10:37:20 V 18 41 16.60 -38 34 49.2 13.5 V 247
2021-06-29 10:37:20 v 1 201.91295 +21.37100 247
2021-06-29 10:38:00 V 18 41 16.48 -38 34 51.4 13.5 V 247
2021-06-29 10:38:00 v 1 201.91295 +21.37100 247
2021-06-29 10:38:40 V 18 41 16.37 -38 34 54.1 13.6 V 247
2021-06-29 10:38:40 v 1 201.91295 +21.37100 247
2021-06-29 10:39:20 V 18 41 16.29 -38 34 56.6 13.9 V 247
2021-06-29 10:39:20 v 1 201.91295 +21.37100 247
2021-06-29 10:39:59 V 18 41 16.21 -38 34 59.0 14.3 V 247
2021-06-29 10:39:59 v 1 201.91295 +21.37100 247
2021-06-29 10:40:39 V 18 41 16.13 -38 35 01.3 14.9 V 247
2021-06-29 10:40:39 v 1 201.91295 +21.37100 247
2021-06-29 10:41:19 V 18 41 16.08 -38 35 04.0 15.2 V 247
2021-06-29 10:41:19 v 1 201.91295 +21.37100 247
2021-06-29 10:44:37 V 18 41 15.65 -38 35 16.1 15.4 V 247
2021-06-29 10:44:37 v 1 201.91295 +21.37100 247
2021-06-29 10:45:17 V 18 41 15.56 -38 35 18.8 15.2 V 247
2021-06-29 10:45:17 v 1 201.91295 +21.37100 247
2021-06-29 10:45:57 V 18 41 15.49 -38 35 20.9 14.6 V 247
2021-06-29 10:45:57 v 1 201.91295 +21.37100 247
2021-06-29 10:46:36 V 18 41 15.41 -38 35 23.9 14.6 V 247
2021-06-29 10:46:36 v 1 201.91295 +21.37100 247
2021-06-29 10:47:16 V 18 41 15.37 -38 35 26.1 14.6 V 247
2021-06-29 10:47:16 v 1 201.91295 +21.37100 247
2021-06-29 10:47:56 V 18 41 15.29 -38 35 28.4 15.2 V 247
2021-06-29 10:47:56 v 1 201.91295 +21.37100 247
2021-06-29 10:48:36 V 18 41 15.19 -38 35 31.0 14.8 V 247
2021-06-29 10:48:36 v 1 201.91295 +21.37100 247
2021-06-29 10:49:15 V 18 41 15.14 -38 35 33.5 14.9 V 247
2021-06-29 10:49:15 v 1 201.91295 +21.37100 247
2021-06-29 10:49:55 V 18 41 15.04 -38 35 35.9 14.9 V 247
2021-06-29 10:49:55 v 1 201.91295 +21.37100 247
2021-06-29 10:50:35 V 18 41 14.99 -38 35 38.1 14.9 V 247
2021-06-29 10:50:35 v 1 201.91295 +21.37100 247
2021-06-29 10:51:14 V 18 41 14.88 -38 35 40.8 14.5 V 247
2021-06-29 10:51:14 v 1 201.91295 +21.37100 247
2021-06-29 10:51:54 V 18 41 14.80 -38 35 43.3 14.5 V 247
2021-06-29 10:51:54 v 1 201.91295 +21.37100 247
2021-06-29 10:52:34 V 18 41 14.71 -38 35 45.8 14.3 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)