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 18:23:28 V 18 42 51.93 -37 30 48.0 13.7 V 247
2021-06-28 18:23:28 v 1 055.57625 -21.19295 247
2021-06-28 18:23:32 V 18 42 51.92 -37 30 48.3 13.8 V 247
2021-06-28 18:23:32 v 1 055.57625 -21.19295 247
2021-06-28 18:23:36 V 18 42 51.92 -37 30 48.9 14.0 V 247
2021-06-28 18:23:36 v 1 055.57625 -21.19295 247
2021-06-28 18:23:40 V 18 42 51.90 -37 30 49.0 14.1 V 247
2021-06-28 18:23:40 v 1 055.57625 -21.19295 247
2021-06-28 18:23:44 V 18 42 51.91 -37 30 49.2 14.1 V 247
2021-06-28 18:23:44 v 1 055.57625 -21.19295 247
2021-06-28 18:23:48 V 18 42 51.90 -37 30 49.5 14.2 V 247
2021-06-28 18:23:48 v 1 055.57625 -21.19295 247
2021-06-28 18:23:52 V 18 42 51.88 -37 30 50.0 14.5 V 247
2021-06-28 18:23:52 v 1 055.57625 -21.19295 247
2021-06-28 18:23:56 V 18 42 51.87 -37 30 50.2 14.6 V 247
2021-06-28 18:23:56 v 1 055.57625 -21.19295 247
2021-06-28 18:24:00 V 18 42 51.86 -37 30 50.5 15.0 V 247
2021-06-28 18:24:00 v 1 055.57625 -21.19295 247
2021-06-28 18:24:04 V 18 42 51.84 -37 30 50.7 15.4 V 247
2021-06-28 18:24:04 v 1 055.57625 -21.19295 247
2021-06-28 18:28:02 V 18 42 51.36 -37 31 06.9 16.4 V 247
2021-06-28 18:28:02 v 1 055.57625 -21.19295 247
2021-06-28 18:28:06 V 18 42 51.37 -37 31 07.0 16.2 V 247
2021-06-28 18:28:06 v 1 055.57625 -21.19295 247
2021-06-28 18:28:10 V 18 42 51.36 -37 31 07.5 15.9 V 247
2021-06-28 18:28:10 v 1 055.57625 -21.19295 247
2021-06-28 18:28:14 V 18 42 51.35 -37 31 07.9 15.8 V 247
2021-06-28 18:28:14 v 1 055.57625 -21.19295 247
2021-06-28 18:28:18 V 18 42 51.34 -37 31 08.2 15.5 V 247
2021-06-28 18:28:18 v 1 055.57625 -21.19295 247
2021-06-28 18:28:22 V 18 42 51.32 -37 31 08.4 15.4 V 247
2021-06-28 18:28:22 v 1 055.57625 -21.19295 247
2021-06-28 18:28:26 V 18 42 51.31 -37 31 08.7 15.4 V 247
2021-06-28 18:28:26 v 1 055.57625 -21.19295 247
2021-06-28 18:28:30 V 18 42 51.31 -37 31 08.9 15.4 V 247
2021-06-28 18:28:30 v 1 055.57625 -21.19295 247
2021-06-28 18:28:34 V 18 42 51.30 -37 31 09.0 15.5 V 247
2021-06-28 18:28:34 v 1 055.57625 -21.19295 247
2021-06-28 18:28:38 V 18 42 51.29 -37 31 09.2 15.4 V 247
2021-06-28 18:28:38 v 1 055.57625 -21.19295 247
2021-06-28 18:28:42 V 18 42 51.28 -37 31 09.4 15.3 V 247
2021-06-28 18:28:42 v 1 055.57625 -21.19295 247
2021-06-28 18:28:46 V 18 42 51.29 -37 31 09.8 15.3 V 247
2021-06-28 18:28:46 v 1 055.57625 -21.19295 247
2021-06-28 18:28:50 V 18 42 51.28 -37 31 10.3 15.2 V 247
2021-06-28 18:28:50 v 1 055.57625 -21.19295 247
2021-06-28 18:28:54 V 18 42 51.28 -37 31 10.7 15.1 V 247
2021-06-28 18:28:54 v 1 055.57625 -21.19295 247
2021-06-28 18:28:58 V 18 42 51.27 -37 31 11.0 15.0 V 247
2021-06-28 18:28:58 v 1 055.57625 -21.19295 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)