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 14:02:28 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:03:00 V 19 25 19.11 +06 38 26.7 13.7 V 247
2021-06-17 14:03:00 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:04:04 V 19 25 18.77 +06 38 04.6 13.7 V 247
2021-06-17 14:04:04 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:05:39 V 19 25 18.33 +06 37 36.0 13.7 V 247
2021-06-17 14:05:39 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:06:11 V 19 25 18.20 +06 37 27.1 13.7 V 247
2021-06-17 14:06:11 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:06:42 V 19 25 18.03 +06 37 17.2 14.1 V 247
2021-06-17 14:06:42 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:09:21 V 19 25 17.28 +06 36 28.4 13.7 V 247
2021-06-17 14:09:21 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:09:53 V 19 25 17.10 +06 36 17.3 13.6 V 247
2021-06-17 14:09:53 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:10:57 V 19 25 16.81 +06 35 58.2 13.8 V 247
2021-06-17 14:10:57 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:11:28 V 19 25 16.69 +06 35 49.0 13.8 V 247
2021-06-17 14:11:28 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:14:39 V 19 25 15.78 +06 34 49.7 14.2 V 247
2021-06-17 14:14:39 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:16:46 V 19 25 15.18 +06 34 11.1 14.1 V 247
2021-06-17 14:16:46 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:17:18 V 19 25 14.98 +06 33 58.9 14.2 V 247
2021-06-17 14:17:18 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:17:50 V 19 25 14.84 +06 33 50.1 14.1 V 247
2021-06-17 14:17:50 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:18:21 V 19 25 14.68 +06 33 39.8 13.8 V 247
2021-06-17 14:18:21 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:18:53 V 19 25 14.56 +06 33 30.5 13.5 V 247
2021-06-17 14:18:53 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:20:28 V 19 25 14.14 +06 33 02.5 13.4 V 247
2021-06-17 14:20:28 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:21:32 V 19 25 13.81 +06 32 41.6 13.8 V 247
2021-06-17 14:21:32 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:22:04 V 19 25 13.70 +06 32 33.1 13.9 V 247
2021-06-17 14:22:04 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:22:36 V 19 25 13.49 +06 32 21.9 13.7 V 247
2021-06-17 14:22:36 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:23:07 V 19 25 13.37 +06 32 13.3 14.1 V 247
2021-06-17 14:23:07 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:23:39 V 19 25 13.21 +06 32 02.9 13.7 V 247
2021-06-17 14:23:39 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:24:11 V 19 25 13.07 +06 31 52.9 13.3 V 247
2021-06-17 14:24:11 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:24:43 V 19 25 12.92 +06 31 43.4 13.4 V 247
2021-06-17 14:24:43 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:26:18 V 19 25 12.42 +06 31 13.1 13.6 V 247
2021-06-17 14:26:18 v 1 140.20198 +36.17830 – – 247
2021-06-17 14:26:50 V 19 25 12.31 +06 31 04.2 13.6 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)