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
2021-06-29 17:39:10 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:39:42 V 18 40 41.69 -38 59 43.9 14.8 V 247
2021-06-29 17:39:42 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:40:14 V 18 40 41.64 -38 59 45.3 14.7 V 247
2021-06-29 17:40:14 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:40:45 V 18 40 41.55 -38 59 47.8 14.6 V 247
2021-06-29 17:40:45 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:41:17 V 18 40 41.56 -38 59 49.4 14.8 V 247
2021-06-29 17:41:17 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:41:49 V 18 40 41.49 -38 59 50.7 14.6 V 247
2021-06-29 17:41:49 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:42:21 V 18 40 41.38 -38 59 52.5 14.5 V 247
2021-06-29 17:42:21 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:42:53 V 18 40 41.34 -38 59 55.2 14.7 V 247
2021-06-29 17:42:53 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:43:24 V 18 40 41.26 -38 59 57.6 14.7 V 247
2021-06-29 17:43:24 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:43:56 V 18 40 41.19 -38 59 59.3 14.7 V 247
2021-06-29 17:43:56 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:44:28 V 18 40 41.13 -39 00 01.3 14.9 V 247
2021-06-29 17:44:28 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:45:00 V 18 40 41.10 -39 00 03.4 14.9 V 247
2021-06-29 17:45:00 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:45:31 V 18 40 41.07 -39 00 05.3 15.1 V 247
2021-06-29 17:45:31 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:46:03 V 18 40 41.03 -39 00 06.3 15.5 V 247
2021-06-29 17:46:03 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:55:35 V 18 40 39.93 -39 00 42.3 14.8 V 247
2021-06-29 17:55:35 v 1 055.57603 -21.19273 – – 247
2021-06-29 17:56:07 V 18 40 39.92 -39 00 44.0 14.5 V 247
2021-06-29 17:56:07 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:04:35 V 18 40 38.90 -39 01 14.4 15.5 V 247
2021-06-29 18:04:35 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:11:44 V 18 40 38.08 -39 01 42.4 15.0 V 247
2021-06-29 18:11:44 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:16:02 V 18 40 37.50 -39 01 57.4 14.7 V 247
2021-06-29 18:16:02 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:22:37 V 18 40 36.81 -39 02 21.3 15.7 V 247
2021-06-29 18:22:37 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:23:08 V 18 40 36.91 -39 02 24.3 15.3 V 247
2021-06-29 18:23:08 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:23:40 V 18 40 36.82 -39 02 25.7 15.1 V 247
2021-06-29 18:23:40 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:24:12 V 18 40 36.72 -39 02 27.8 14.9 V 247
2021-06-29 18:24:12 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:24:44 V 18 40 36.71 -39 02 29.5 14.7 V 247
2021-06-29 18:24:44 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:25:16 V 18 40 36.64 -39 02 31.7 14.3 V 247
2021-06-29 18:25:16 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:25:47 V 18 40 36.57 -39 02 33.6 14.1 V 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)