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
2021-06-17 03:05:09 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:06:28 V 19 28 12.29 +10 05 33.6 14.0 V 247
2021-06-17 03:06:28 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:07:48 V 19 28 11.90 +10 05 07.1 13.8 V 247
2021-06-17 03:07:48 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:09:07 V 19 28 11.49 +10 04 42.0 13.9 V 247
2021-06-17 03:09:07 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:09:47 V 19 28 11.35 +10 04 29.3 13.9 V 247
2021-06-17 03:09:47 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:10:26 V 19 28 11.16 +10 04 16.7 13.8 V 247
2021-06-17 03:10:26 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:11:06 V 19 28 10.97 +10 04 04.9 13.8 V 247
2021-06-17 03:11:06 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:11:46 V 19 28 10.79 +10 03 52.5 13.7 V 247
2021-06-17 03:11:46 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:14:25 V 19 28 10.03 +10 03 02.0 14.0 V 247
2021-06-17 03:14:25 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:15:04 V 19 28 09.87 +10 02 50.3 13.3 V 247
2021-06-17 03:15:04 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:16:24 V 19 28 09.50 +10 02 26.0 13.9 V 247
2021-06-17 03:16:24 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:17:04 V 19 28 09.24 +10 02 10.0 13.8 V 247
2021-06-17 03:17:04 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:17:43 V 19 28 09.15 +10 02 00.6 13.8 V 247
2021-06-17 03:17:43 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:18:23 V 19 28 08.92 +10 01 47.1 13.8 V 247
2021-06-17 03:18:23 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:19:03 V 19 28 08.73 +10 01 35.0 13.8 V 247
2021-06-17 03:19:03 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:19:42 V 19 28 08.54 +10 01 22.5 14.1 V 247
2021-06-17 03:19:42 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:21:02 V 19 28 08.13 +10 00 53.6 14.1 V 247
2021-06-17 03:21:02 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:23:01 V 19 28 07.59 +10 00 17.0 14.0 V 247
2021-06-17 03:23:01 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:23:41 V 19 28 07.38 +10 00 04.2 13.8 V 247
2021-06-17 03:23:41 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:25:00 V 19 28 06.95 +09 59 40.2 13.7 V 247
2021-06-17 03:25:00 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:28:48 V 19 28 05.96 +09 58 28.2 14.0 V 247
2021-06-17 03:28:48 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:29:27 V 19 28 05.71 +09 58 13.3 13.9 V 247
2021-06-17 03:29:27 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:30:07 V 19 28 05.54 +09 58 01.0 14.0 V 247
2021-06-17 03:30:07 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:30:47 V 19 28 05.39 +09 57 49.9 13.8 V 247
2021-06-17 03:30:47 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:31:26 V 19 28 05.13 +09 57 34.7 13.8 V 247
2021-06-17 03:31:26 v 1 276.64254 +33.90568 – – 247
2021-06-17 03:34:05 V 19 28 04.40 +09 56 44.7 13.7 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)