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 16:52:34 V 18 43 02.48 -37 24 26.0 14.8 V 247
2021-06-28 16:52:34 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:38 V 18 43 02.46 -37 24 26.1 14.8 V 247
2021-06-28 16:52:38 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:42 V 18 43 02.43 -37 24 26.2 14.8 V 247
2021-06-28 16:52:42 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:46 V 18 43 02.44 -37 24 26.5 14.8 V 247
2021-06-28 16:52:46 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:50 V 18 43 02.42 -37 24 26.8 14.9 V 247
2021-06-28 16:52:50 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:54 V 18 43 02.40 -37 24 27.0 14.9 V 247
2021-06-28 16:52:54 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:52:58 V 18 43 02.39 -37 24 27.3 15.0 V 247
2021-06-28 16:52:58 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:02 V 18 43 02.38 -37 24 27.5 15.0 V 247
2021-06-28 16:53:02 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:06 V 18 43 02.38 -37 24 27.6 15.0 V 247
2021-06-28 16:53:06 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:10 V 18 43 02.37 -37 24 28.1 15.1 V 247
2021-06-28 16:53:10 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:14 V 18 43 02.37 -37 24 28.7 15.2 V 247
2021-06-28 16:53:14 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:18 V 18 43 02.35 -37 24 28.9 15.1 V 247
2021-06-28 16:53:18 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:22 V 18 43 02.36 -37 24 29.1 15.1 V 247
2021-06-28 16:53:22 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:25 V 18 43 02.37 -37 24 29.3 15.2 V 247
2021-06-28 16:53:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:29 V 18 43 02.37 -37 24 29.6 15.1 V 247
2021-06-28 16:53:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:33 V 18 43 02.37 -37 24 29.9 15.2 V 247
2021-06-28 16:53:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:37 V 18 43 02.37 -37 24 30.1 15.1 V 247
2021-06-28 16:53:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:41 V 18 43 02.38 -37 24 30.4 15.1 V 247
2021-06-28 16:53:41 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:45 V 18 43 02.39 -37 24 30.4 15.1 V 247
2021-06-28 16:53:45 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:49 V 18 43 02.40 -37 24 30.5 15.2 V 247
2021-06-28 16:53:49 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:53 V 18 43 02.41 -37 24 30.8 15.2 V 247
2021-06-28 16:53:53 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:53:57 V 18 43 02.39 -37 24 31.1 15.2 V 247
2021-06-28 16:53:57 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:01 V 18 43 02.39 -37 24 31.4 15.3 V 247
2021-06-28 16:54:01 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:05 V 18 43 02.38 -37 24 31.7 15.3 V 247
2021-06-28 16:54:05 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:09 V 18 43 02.37 -37 24 32.0 15.3 V 247
2021-06-28 16:54:09 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)