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 17:20:10 V 18 42 59.42 -37 26 23.0 13.7 V 247
2021-06-28 17:20:10 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:14 V 18 42 59.41 -37 26 23.4 13.7 V 247
2021-06-28 17:20:14 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:18 V 18 42 59.41 -37 26 23.5 13.7 V 247
2021-06-28 17:20:18 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:22 V 18 42 59.41 -37 26 23.7 13.7 V 247
2021-06-28 17:20:22 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:26 V 18 42 59.40 -37 26 24.1 13.7 V 247
2021-06-28 17:20:26 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:30 V 18 42 59.39 -37 26 24.1 13.7 V 247
2021-06-28 17:20:30 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:34 V 18 42 59.38 -37 26 24.5 13.8 V 247
2021-06-28 17:20:34 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:38 V 18 42 59.39 -37 26 24.9 13.7 V 247
2021-06-28 17:20:38 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:42 V 18 42 59.38 -37 26 25.2 13.8 V 247
2021-06-28 17:20:42 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:46 V 18 42 59.39 -37 26 25.5 13.7 V 247
2021-06-28 17:20:46 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:50 V 18 42 59.38 -37 26 25.9 13.7 V 247
2021-06-28 17:20:50 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:54 V 18 42 59.37 -37 26 26.1 13.7 V 247
2021-06-28 17:20:54 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:20:58 V 18 42 59.37 -37 26 26.2 13.7 V 247
2021-06-28 17:20:58 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:02 V 18 42 59.36 -37 26 26.6 13.6 V 247
2021-06-28 17:21:02 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:06 V 18 42 59.34 -37 26 26.8 13.7 V 247
2021-06-28 17:21:06 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:10 V 18 42 59.33 -37 26 27.1 13.7 V 247
2021-06-28 17:21:10 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:14 V 18 42 59.30 -37 26 27.3 13.7 V 247
2021-06-28 17:21:14 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:17 V 18 42 59.28 -37 26 27.6 13.8 V 247
2021-06-28 17:21:17 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:21 V 18 42 59.26 -37 26 27.7 13.8 V 247
2021-06-28 17:21:21 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:25 V 18 42 59.26 -37 26 28.0 13.8 V 247
2021-06-28 17:21:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:29 V 18 42 59.24 -37 26 28.4 13.8 V 247
2021-06-28 17:21:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:33 V 18 42 59.22 -37 26 28.7 13.8 V 247
2021-06-28 17:21:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:37 V 18 42 59.22 -37 26 29.0 13.8 V 247
2021-06-28 17:21:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:41 V 18 42 59.22 -37 26 29.2 13.8 V 247
2021-06-28 17:21:41 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:21:45 V 18 42 59.20 -37 26 29.6 13.8 V 247
2021-06-28 17:21:45 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)