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 16:55:52 V 18 43 02.18 -37 24 39.0 15.1 V 247
2021-06-28 16:55:52 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:56 V 18 43 02.19 -37 24 39.1 15.1 V 247
2021-06-28 16:55:56 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:00 V 18 43 02.19 -37 24 39.4 15.0 V 247
2021-06-28 16:56:00 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:04 V 18 43 02.17 -37 24 39.7 14.9 V 247
2021-06-28 16:56:04 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:08 V 18 43 02.13 -37 24 40.5 14.9 V 247
2021-06-28 16:56:08 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:12 V 18 43 02.12 -37 24 41.0 14.9 V 247
2021-06-28 16:56:12 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:16 V 18 43 02.10 -37 24 41.2 14.9 V 247
2021-06-28 16:56:16 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:20 V 18 43 02.10 -37 24 41.5 14.8 V 247
2021-06-28 16:56:20 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:24 V 18 43 02.08 -37 24 41.8 14.8 V 247
2021-06-28 16:56:24 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:28 V 18 43 02.08 -37 24 41.9 14.9 V 247
2021-06-28 16:56:28 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:32 V 18 43 02.08 -37 24 42.0 14.9 V 247
2021-06-28 16:56:32 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:36 V 18 43 02.10 -37 24 42.3 14.9 V 247
2021-06-28 16:56:36 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:40 V 18 43 02.09 -37 24 42.5 14.9 V 247
2021-06-28 16:56:40 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:44 V 18 43 02.09 -37 24 43.0 15.0 V 247
2021-06-28 16:56:44 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:48 V 18 43 02.08 -37 24 43.2 14.9 V 247
2021-06-28 16:56:48 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:52 V 18 43 02.05 -37 24 43.5 15.0 V 247
2021-06-28 16:56:52 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:56:56 V 18 43 02.06 -37 24 43.7 15.0 V 247
2021-06-28 16:56:56 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:00 V 18 43 02.05 -37 24 44.0 14.9 V 247
2021-06-28 16:57:00 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:04 V 18 43 02.04 -37 24 44.5 14.9 V 247
2021-06-28 16:57:04 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:08 V 18 43 01.98 -37 24 44.7 14.9 V 247
2021-06-28 16:57:08 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:12 V 18 43 01.99 -37 24 45.1 14.9 V 247
2021-06-28 16:57:12 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:16 V 18 43 01.97 -37 24 45.1 14.8 V 247
2021-06-28 16:57:16 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:20 V 18 43 01.96 -37 24 45.6 14.8 V 247
2021-06-28 16:57:20 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:24 V 18 43 01.95 -37 24 45.8 14.8 V 247
2021-06-28 16:57:24 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:57:28 V 18 43 01.95 -37 24 46.1 14.8 V 247
2021-06-28 16:57:28 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)