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 16:34:22 V 18 43 04.56 -37 23 07.6 15.5 V 247
2021-06-28 16:34:22 v 1 055.57625 -21.19295 247
2021-06-28 16:34:26 V 18 43 04.55 -37 23 07.8 15.4 V 247
2021-06-28 16:34:26 v 1 055.57625 -21.19295 247
2021-06-28 16:34:30 V 18 43 04.55 -37 23 08.1 15.3 V 247
2021-06-28 16:34:30 v 1 055.57625 -21.19295 247
2021-06-28 16:34:34 V 18 43 04.54 -37 23 08.5 15.3 V 247
2021-06-28 16:34:34 v 1 055.57625 -21.19295 247
2021-06-28 16:34:38 V 18 43 04.50 -37 23 08.7 15.1 V 247
2021-06-28 16:34:38 v 1 055.57625 -21.19295 247
2021-06-28 16:34:42 V 18 43 04.50 -37 23 09.1 14.9 V 247
2021-06-28 16:34:42 v 1 055.57625 -21.19295 247
2021-06-28 16:34:46 V 18 43 04.49 -37 23 09.3 14.8 V 247
2021-06-28 16:34:46 v 1 055.57625 -21.19295 247
2021-06-28 16:34:50 V 18 43 04.47 -37 23 09.5 14.8 V 247
2021-06-28 16:34:50 v 1 055.57625 -21.19295 247
2021-06-28 16:34:54 V 18 43 04.47 -37 23 09.8 14.6 V 247
2021-06-28 16:34:54 v 1 055.57625 -21.19295 247
2021-06-28 16:34:57 V 18 43 04.46 -37 23 10.1 14.6 V 247
2021-06-28 16:34:57 v 1 055.57625 -21.19295 247
2021-06-28 16:35:01 V 18 43 04.45 -37 23 10.5 14.6 V 247
2021-06-28 16:35:01 v 1 055.57625 -21.19295 247
2021-06-28 16:35:05 V 18 43 04.45 -37 23 10.6 14.6 V 247
2021-06-28 16:35:05 v 1 055.57625 -21.19295 247
2021-06-28 16:35:09 V 18 43 04.44 -37 23 10.9 14.8 V 247
2021-06-28 16:35:09 v 1 055.57625 -21.19295 247
2021-06-28 16:35:13 V 18 43 04.44 -37 23 11.1 15.0 V 247
2021-06-28 16:35:13 v 1 055.57625 -21.19295 247
2021-06-28 16:35:17 V 18 43 04.44 -37 23 11.4 15.1 V 247
2021-06-28 16:35:17 v 1 055.57625 -21.19295 247
2021-06-28 16:35:21 V 18 43 04.44 -37 23 11.9 15.0 V 247
2021-06-28 16:35:21 v 1 055.57625 -21.19295 247
2021-06-28 16:35:25 V 18 43 04.44 -37 23 12.1 15.0 V 247
2021-06-28 16:35:25 v 1 055.57625 -21.19295 247
2021-06-28 16:35:29 V 18 43 04.43 -37 23 12.2 15.0 V 247
2021-06-28 16:35:29 v 1 055.57625 -21.19295 247
2021-06-28 16:35:33 V 18 43 04.43 -37 23 12.5 14.9 V 247
2021-06-28 16:35:33 v 1 055.57625 -21.19295 247
2021-06-28 16:35:37 V 18 43 04.40 -37 23 12.9 14.9 V 247
2021-06-28 16:35:37 v 1 055.57625 -21.19295 247
2021-06-28 16:35:41 V 18 43 04.39 -37 23 13.3 14.7 V 247
2021-06-28 16:35:41 v 1 055.57625 -21.19295 247
2021-06-28 16:35:45 V 18 43 04.38 -37 23 13.5 14.6 V 247
2021-06-28 16:35:45 v 1 055.57625 -21.19295 247
2021-06-28 16:35:49 V 18 43 04.37 -37 23 13.6 14.5 V 247
2021-06-28 16:35:49 v 1 055.57625 -21.19295 247
2021-06-28 16:35:53 V 18 43 04.35 -37 23 14.0 14.7 V 247
2021-06-28 16:35:53 v 1 055.57625 -21.19295 247
2021-06-28 16:35:57 V 18 43 04.35 -37 23 14.3 14.8 V 247
2021-06-28 16:35:57 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)