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 17:46:19 V 18 42 56.28 -37 28 12.8 14.7 V 247
2021-06-28 17:46:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:23 V 18 42 56.27 -37 28 13.1 14.6 V 247
2021-06-28 17:46:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:26 V 18 42 56.25 -37 28 13.3 14.7 V 247
2021-06-28 17:46:26 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:30 V 18 42 56.25 -37 28 13.6 14.6 V 247
2021-06-28 17:46:30 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:34 V 18 42 56.25 -37 28 13.7 14.7 V 247
2021-06-28 17:46:34 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:38 V 18 42 56.25 -37 28 14.0 14.7 V 247
2021-06-28 17:46:38 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:42 V 18 42 56.24 -37 28 14.3 14.8 V 247
2021-06-28 17:46:42 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:46 V 18 42 56.23 -37 28 14.7 14.7 V 247
2021-06-28 17:46:46 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:50 V 18 42 56.22 -37 28 15.0 14.7 V 247
2021-06-28 17:46:50 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:54 V 18 42 56.21 -37 28 15.3 14.7 V 247
2021-06-28 17:46:54 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:46:58 V 18 42 56.21 -37 28 15.7 14.7 V 247
2021-06-28 17:46:58 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:02 V 18 42 56.19 -37 28 16.2 14.7 V 247
2021-06-28 17:47:02 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:06 V 18 42 56.19 -37 28 16.7 14.7 V 247
2021-06-28 17:47:06 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:10 V 18 42 56.17 -37 28 16.9 14.7 V 247
2021-06-28 17:47:10 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:14 V 18 42 56.17 -37 28 17.1 14.7 V 247
2021-06-28 17:47:14 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:18 V 18 42 56.15 -37 28 17.2 14.7 V 247
2021-06-28 17:47:18 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:22 V 18 42 56.15 -37 28 17.3 14.7 V 247
2021-06-28 17:47:22 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:26 V 18 42 56.13 -37 28 17.5 14.8 V 247
2021-06-28 17:47:26 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:30 V 18 42 56.12 -37 28 17.8 14.9 V 247
2021-06-28 17:47:30 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:34 V 18 42 56.11 -37 28 18.1 14.9 V 247
2021-06-28 17:47:34 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:38 V 18 42 56.11 -37 28 18.3 14.9 V 247
2021-06-28 17:47:38 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:42 V 18 42 56.11 -37 28 18.7 14.8 V 247
2021-06-28 17:47:42 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:46 V 18 42 56.12 -37 28 19.0 14.8 V 247
2021-06-28 17:47:46 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:50 V 18 42 56.11 -37 28 19.3 14.8 V 247
2021-06-28 17:47:50 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:47:54 V 18 42 56.10 -37 28 19.4 14.9 V 247
2021-06-28 17:47:54 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)