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 21:29:39 V 19 23 27.32 +04 21 42.6 13.8 V 247
2021-06-17 21:29:39 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:30:11 V 19 23 27.17 +04 21 32.4 13.5 V 247
2021-06-17 21:30:11 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:30:43 V 19 23 27.02 +04 21 22.3 14.0 V 247
2021-06-17 21:30:43 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:31:15 V 19 23 26.88 +04 21 12.7 14.4 V 247
2021-06-17 21:31:15 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:31:23 V 19 23 27.63 +04 20 39.4 14.1 V 247
2021-06-17 21:31:23 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:31:46 V 19 23 26.73 +04 21 03.6 14.0 V 247
2021-06-17 21:31:46 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:31:54 V 19 23 27.49 +04 20 31.2 13.5 V 247
2021-06-17 21:31:54 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:32:18 V 19 23 26.59 +04 20 54.5 13.7 V 247
2021-06-17 21:32:18 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:32:50 V 19 23 26.46 +04 20 44.9 13.8 V 247
2021-06-17 21:32:50 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:33:22 V 19 23 26.30 +04 20 34.3 13.9 V 247
2021-06-17 21:33:22 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:33:30 V 19 23 27.22 +04 20 03.5 14.1 V 247
2021-06-17 21:33:30 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:33:53 V 19 23 26.15 +04 20 25.7 13.9 V 247
2021-06-17 21:33:53 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:34:01 V 19 23 26.95 +04 19 51.3 14.2 V 247
2021-06-17 21:34:01 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:34:57 V 19 23 25.84 +04 20 06.2 13.9 V 247
2021-06-17 21:34:57 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:35:05 V 19 23 26.70 +04 19 33.5 13.4 V 247
2021-06-17 21:35:05 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:35:29 V 19 23 25.71 +04 19 55.5 13.9 V 247
2021-06-17 21:35:29 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:36:32 V 19 23 25.36 +04 19 36.6 13.3 V 247
2021-06-17 21:36:32 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:37:04 V 19 23 25.24 +04 19 29.4 13.2 V 247
2021-06-17 21:37:04 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:37:12 V 19 23 26.25 +04 18 54.8 13.9 V 247
2021-06-17 21:37:12 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:37:36 V 19 23 25.13 +04 19 17.3 13.3 V 247
2021-06-17 21:37:36 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:37:44 V 19 23 26.07 +04 18 45.7 13.7 V 247
2021-06-17 21:37:44 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:38:08 V 19 23 25.06 +04 19 09.2 13.5 V 247
2021-06-17 21:38:08 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:38:39 V 19 23 24.82 +04 18 58.0 13.4 V 247
2021-06-17 21:38:39 v 1 033.33054 +35.08946 – – 247
2021-06-17 21:38:47 V 19 23 25.80 +04 18 26.7 13.6 V 247
2021-06-17 21:38:47 v 1 016.33600 +48.20413 – – 247
2021-06-17 21:39:11 V 19 23 24.67 +04 18 49.2 13.7 V 247
2021-06-17 21:39:11 v 1 033.33054 +35.08946 – – 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)