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 12:04:01 V 18 43 24.07 -37 05 25.2 14.6 V 247
2021-06-28 12:04:01 v 1 201.91295 +21.37121 247
2021-06-28 12:04:33 V 18 43 24.01 -37 05 27.5 14.5 V 247
2021-06-28 12:04:33 v 1 201.91295 +21.37121 247
2021-06-28 12:05:04 V 18 43 23.93 -37 05 29.2 14.2 V 247
2021-06-28 12:05:04 v 1 201.91295 +21.37121 247
2021-06-28 12:05:36 V 18 43 23.86 -37 05 31.9 14.5 V 247
2021-06-28 12:05:36 v 1 201.91295 +21.37121 247
2021-06-28 12:06:08 V 18 43 23.80 -37 05 33.8 14.2 V 247
2021-06-28 12:06:08 v 1 201.91295 +21.37121 247
2021-06-28 12:06:40 V 18 43 23.74 -37 05 36.0 14.2 V 247
2021-06-28 12:06:40 v 1 201.91295 +21.37121 247
2021-06-28 12:07:12 V 18 43 23.67 -37 05 38.6 14.4 V 247
2021-06-28 12:07:12 v 1 201.91295 +21.37121 247
2021-06-28 12:07:43 V 18 43 23.63 -37 05 41.2 14.4 V 247
2021-06-28 12:07:43 v 1 201.91295 +21.37121 247
2021-06-28 12:08:15 V 18 43 23.57 -37 05 43.0 14.3 V 247
2021-06-28 12:08:15 v 1 201.91295 +21.37121 247
2021-06-28 12:08:47 V 18 43 23.50 -37 05 45.0 14.4 V 247
2021-06-28 12:08:47 v 1 201.91295 +21.37121 247
2021-06-28 12:09:19 V 18 43 23.44 -37 05 47.2 14.6 V 247
2021-06-28 12:09:19 v 1 201.91295 +21.37121 247
2021-06-28 12:09:50 V 18 43 23.37 -37 05 49.3 15.1 V 247
2021-06-28 12:09:50 v 1 201.91295 +21.37121 247
2021-06-28 12:10:22 V 18 43 23.31 -37 05 51.7 15.3 V 247
2021-06-28 12:10:22 v 1 201.91295 +21.37121 247
2021-06-28 12:10:54 V 18 43 23.22 -37 05 54.0 15.7 V 247
2021-06-28 12:10:54 v 1 201.91295 +21.37121 247
2021-06-28 12:11:26 V 18 43 23.16 -37 05 56.4 16.0 V 247
2021-06-28 12:11:26 v 1 201.91295 +21.37121 247
2021-06-28 12:11:57 V 18 43 23.09 -37 05 58.1 15.6 V 247
2021-06-28 12:11:57 v 1 201.91295 +21.37121 247
2021-06-28 12:12:29 V 18 43 23.04 -37 06 00.8 15.1 V 247
2021-06-28 12:12:29 v 1 201.91295 +21.37121 247
2021-06-28 12:13:01 V 18 43 22.96 -37 06 02.8 15.2 V 247
2021-06-28 12:13:01 v 1 201.91295 +21.37121 247
2021-06-28 12:13:33 V 18 43 22.89 -37 06 05.1 15.0 V 247
2021-06-28 12:13:33 v 1 201.91295 +21.37121 247
2021-06-28 12:14:05 V 18 43 22.83 -37 06 06.9 14.6 V 247
2021-06-28 12:14:05 v 1 201.91295 +21.37121 247
2021-06-28 12:14:36 V 18 43 22.78 -37 06 09.6 14.6 V 247
2021-06-28 12:14:36 v 1 201.91295 +21.37121 247
2021-06-28 12:15:08 V 18 43 22.70 -37 06 11.6 14.2 V 247
2021-06-28 12:15:08 v 1 201.91295 +21.37121 247
2021-06-28 12:22:42 V 18 43 21.75 -37 06 42.8 15.3 V 247
2021-06-28 12:22:42 v 1 201.91295 +21.37121 247
2021-06-28 12:23:14 V 18 43 21.70 -37 06 45.3 15.6 V 247
2021-06-28 12:23:14 v 1 201.91295 +21.37121 247
2021-06-28 12:23:46 V 18 43 21.64 -37 06 47.4 15.1 V 247
2021-06-28 12:23:46 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)