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 18:25:47 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:26:19 V 18 40 36.51 -39 02 36.6 13.9 V 247
2021-06-29 18:26:19 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:26:51 V 18 40 36.45 -39 02 37.9 13.8 V 247
2021-06-29 18:26:51 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:27:23 V 18 40 36.43 -39 02 40.0 13.7 V 247
2021-06-29 18:27:23 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:30:01 V 18 40 36.15 -39 02 49.4 13.7 V 247
2021-06-29 18:30:01 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:30:33 V 18 40 36.00 -39 02 50.4 13.8 V 247
2021-06-29 18:30:33 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:31:05 V 18 40 36.00 -39 02 53.3 14.0 V 247
2021-06-29 18:31:05 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:31:37 V 18 40 35.93 -39 02 55.1 14.4 V 247
2021-06-29 18:31:37 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:32:09 V 18 40 35.85 -39 02 57.5 14.7 V 247
2021-06-29 18:32:09 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:32:40 V 18 40 35.79 -39 02 59.2 15.0 V 247
2021-06-29 18:32:40 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:33:12 V 18 40 35.74 -39 03 00.9 15.4 V 247
2021-06-29 18:33:12 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:33:44 V 18 40 35.70 -39 03 03.3 16.2 V 247
2021-06-29 18:33:44 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:34:16 V 18 40 35.61 -39 03 05.2 16.6 V 247
2021-06-29 18:34:16 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:34:47 V 18 40 35.55 -39 03 06.9 16.7 V 247
2021-06-29 18:34:47 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:35:19 V 18 40 35.51 -39 03 08.7 16.4 V 247
2021-06-29 18:35:19 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:35:51 V 18 40 35.41 -39 03 10.7 16.2 V 247
2021-06-29 18:35:51 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:36:23 V 18 40 35.33 -39 03 12.7 15.5 V 247
2021-06-29 18:36:23 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:36:54 V 18 40 35.27 -39 03 14.6 15.5 V 247
2021-06-29 18:36:54 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:37:26 V 18 40 35.25 -39 03 17.2 15.1 V 247
2021-06-29 18:37:26 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:37:58 V 18 40 35.20 -39 03 18.9 15.3 V 247
2021-06-29 18:37:58 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:38:30 V 18 40 35.15 -39 03 21.0 14.9 V 247
2021-06-29 18:38:30 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:39:02 V 18 40 35.09 -39 03 22.6 15.0 V 247
2021-06-29 18:39:02 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:39:33 V 18 40 35.04 -39 03 24.9 15.4 V 247
2021-06-29 18:39:33 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:40:05 V 18 40 34.96 -39 03 26.4 15.3 V 247
2021-06-29 18:40:05 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:41:09 V 18 40 34.85 -39 03 30.7 15.0 V 247
2021-06-29 18:41:09 v 1 055.57603 -21.19273 – – 247
2021-06-29 18:41:40 V 18 40 34.80 -39 03 32.6 14.9 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)