IAA RAS IAA Minor Planet Database

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 16:26:05 V 18 43 05.42 -37 22 33.0 14.8 V 247
2021-06-28 16:26:05 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:09 V 18 43 05.39 -37 22 33.3 14.8 V 247
2021-06-28 16:26:09 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:13 V 18 43 05.40 -37 22 33.7 14.8 V 247
2021-06-28 16:26:13 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:17 V 18 43 05.40 -37 22 33.6 14.8 V 247
2021-06-28 16:26:17 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:21 V 18 43 05.41 -37 22 33.7 14.9 V 247
2021-06-28 16:26:21 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:25 V 18 43 05.42 -37 22 33.9 14.8 V 247
2021-06-28 16:26:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:29 V 18 43 05.43 -37 22 34.2 14.8 V 247
2021-06-28 16:26:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:33 V 18 43 05.44 -37 22 34.3 14.7 V 247
2021-06-28 16:26:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:37 V 18 43 05.41 -37 22 34.5 14.7 V 247
2021-06-28 16:26:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:41 V 18 43 05.41 -37 22 34.9 14.7 V 247
2021-06-28 16:26:41 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:45 V 18 43 05.40 -37 22 35.3 14.7 V 247
2021-06-28 16:26:45 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:49 V 18 43 05.36 -37 22 35.5 14.7 V 247
2021-06-28 16:26:49 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:53 V 18 43 05.36 -37 22 35.7 14.7 V 247
2021-06-28 16:26:53 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:26:57 V 18 43 05.35 -37 22 36.1 14.7 V 247
2021-06-28 16:26:57 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:01 V 18 43 05.32 -37 22 36.3 14.7 V 247
2021-06-28 16:27:01 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:05 V 18 43 05.30 -37 22 36.7 14.6 V 247
2021-06-28 16:27:05 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:09 V 18 43 05.27 -37 22 37.0 14.6 V 247
2021-06-28 16:27:09 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:13 V 18 43 05.28 -37 22 37.3 14.7 V 247
2021-06-28 16:27:13 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:17 V 18 43 05.29 -37 22 37.5 14.6 V 247
2021-06-28 16:27:17 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:21 V 18 43 05.29 -37 22 38.0 14.5 V 247
2021-06-28 16:27:21 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:25 V 18 43 05.27 -37 22 38.5 14.5 V 247
2021-06-28 16:27:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:29 V 18 43 05.28 -37 22 38.9 14.4 V 247
2021-06-28 16:27:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:33 V 18 43 05.27 -37 22 39.2 14.3 V 247
2021-06-28 16:27:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:37 V 18 43 05.25 -37 22 39.5 14.3 V 247
2021-06-28 16:27:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:27:41 V 18 43 05.27 -37 22 39.6 14.4 V 247
2021-06-28 16:27:41 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)