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 08:42:15 V 18 43 49.25 -36 51 04.6 15.9 V 247
2021-06-28 08:42:15 v 1 201.91295 +21.37121 247
2021-06-28 08:42:46 V 18 43 49.16 -36 51 06.9 15.2 V 247
2021-06-28 08:42:46 v 1 201.91295 +21.37121 247
2021-06-28 08:43:18 V 18 43 49.11 -36 51 09.8 14.7 V 247
2021-06-28 08:43:18 v 1 201.91295 +21.37121 247
2021-06-28 08:43:50 V 18 43 49.07 -36 51 11.8 14.2 V 247
2021-06-28 08:43:50 v 1 201.91295 +21.37121 247
2021-06-28 08:44:22 V 18 43 49.00 -36 51 13.8 14.4 V 247
2021-06-28 08:44:22 v 1 201.91295 +21.37121 247
2021-06-28 08:44:54 V 18 43 48.93 -36 51 16.2 14.5 V 247
2021-06-28 08:44:54 v 1 201.91295 +21.37121 247
2021-06-28 08:45:25 V 18 43 48.88 -36 51 18.9 14.2 V 247
2021-06-28 08:45:25 v 1 201.91295 +21.37121 247
2021-06-28 08:45:57 V 18 43 48.83 -36 51 21.0 14.2 V 247
2021-06-28 08:45:57 v 1 201.91295 +21.37121 247
2021-06-28 08:46:29 V 18 43 48.75 -36 51 23.4 14.1 V 247
2021-06-28 08:46:29 v 1 201.91295 +21.37121 247
2021-06-28 08:47:01 V 18 43 48.65 -36 51 25.7 14.2 V 247
2021-06-28 08:47:01 v 1 201.91295 +21.37121 247
2021-06-28 08:47:32 V 18 43 48.62 -36 51 27.8 14.1 V 247
2021-06-28 08:47:32 v 1 201.91295 +21.37121 247
2021-06-28 09:21:19 V 18 43 44.41 -36 53 54.5 14.4 V 247
2021-06-28 09:21:19 v 1 201.91295 +21.37121 247
2021-06-28 09:21:50 V 18 43 44.34 -36 53 57.3 14.4 V 247
2021-06-28 09:21:50 v 1 201.91295 +21.37121 247
2021-06-28 09:22:22 V 18 43 44.28 -36 53 59.4 14.6 V 247
2021-06-28 09:22:22 v 1 201.91295 +21.37121 247
2021-06-28 09:22:54 V 18 43 44.23 -36 54 01.8 15.1 V 247
2021-06-28 09:22:54 v 1 201.91295 +21.37121 247
2021-06-28 09:30:50 V 18 43 43.23 -36 54 36.1 14.4 V 247
2021-06-28 09:30:50 v 1 201.91295 +21.37121 247
2021-06-28 09:31:22 V 18 43 43.17 -36 54 38.8 13.4 V 247
2021-06-28 09:31:22 v 1 201.91295 +21.37121 247
2021-06-28 09:31:54 V 18 43 43.10 -36 54 41.5 13.0 V 247
2021-06-28 09:31:54 v 1 201.91295 +21.37121 247
2021-06-28 09:32:26 V 18 43 43.02 -36 54 44.9 12.9 V 247
2021-06-28 09:32:26 v 1 201.91295 +21.37121 247
2021-06-28 09:35:36 V 18 43 42.67 -36 54 56.6 12.9 V 247
2021-06-28 09:35:36 v 1 201.91295 +21.37121 247
2021-06-28 09:36:08 V 18 43 42.55 -36 54 58.9 13.1 V 247
2021-06-28 09:36:08 v 1 201.91295 +21.37121 247
2021-06-28 09:36:40 V 18 43 42.47 -36 55 01.4 13.4 V 247
2021-06-28 09:36:40 v 1 201.91295 +21.37121 247
2021-06-28 09:37:12 V 18 43 42.45 -36 55 04.1 14.0 V 247
2021-06-28 09:37:12 v 1 201.91295 +21.37121 247
2021-06-28 09:37:43 V 18 43 42.36 -36 55 06.0 14.6 V 247
2021-06-28 09:37:43 v 1 201.91295 +21.37121 247
2021-06-28 09:38:15 V 18 43 42.31 -36 55 08.5 15.1 V 247
2021-06-28 09:38:15 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)