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 06:24:48 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:25:20 V 19 27 13.38 +09 02 13.2 13.8 V 247
2021-06-17 06:25:20 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:25:52 V 19 27 13.23 +09 02 04.7 13.8 V 247
2021-06-17 06:25:52 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:26:23 V 19 27 13.06 +09 01 53.9 13.9 V 247
2021-06-17 06:26:23 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:26:55 V 19 27 12.91 +09 01 44.6 14.1 V 247
2021-06-17 06:26:55 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:28:30 V 19 27 12.45 +09 01 14.7 13.4 V 247
2021-06-17 06:28:30 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:29:02 V 19 27 12.28 +09 01 04.5 14.3 V 247
2021-06-17 06:29:02 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:33:08 V 19 27 11.03 +08 59 45.9 14.1 V 247
2021-06-17 06:33:08 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:33:42 V 19 27 10.88 +08 59 36.0 14.2 V 247
2021-06-17 06:33:42 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:36:15 V 19 27 10.17 +08 58 47.0 14.0 V 247
2021-06-17 06:36:15 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:42:12 V 19 27 08.27 +08 56 51.8 15.4 V 247
2021-06-17 06:42:12 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:43:40 V 19 27 07.86 +08 56 26.2 14.1 V 247
2021-06-17 06:43:40 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:44:11 V 19 27 07.73 +08 56 16.8 13.9 V 247
2021-06-17 06:44:11 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:44:43 V 19 27 07.53 +08 56 05.8 13.8 V 247
2021-06-17 06:44:43 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:47:02 V 19 27 06.86 +08 55 22.4 13.9 V 247
2021-06-17 06:47:02 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:48:14 V 19 27 06.55 +08 55 00.2 13.7 V 247
2021-06-17 06:48:14 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:50:33 V 19 27 05.86 +08 54 15.6 13.1 V 247
2021-06-17 06:50:33 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:51:36 V 19 27 05.51 +08 53 56.0 13.9 V 247
2021-06-17 06:51:36 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:52:40 V 19 27 05.14 +08 53 35.4 13.7 V 247
2021-06-17 06:52:40 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:53:12 V 19 27 05.01 +08 53 25.8 14.0 V 247
2021-06-17 06:53:12 v 1 279.45338 +35.38396 – – 247
2021-06-17 08:47:10 C 19 26 42.77 +08 17 50.7 – V T05
2021-06-17 08:58:26 C 19 26 39.53 +08 14 18.6 – V T05
2021-06-17 09:20:17 C 19 26 33.18 +08 07 27.0 – V T05
2021-06-17 09:36:24 C 19 26 28.48 +08 02 23.4 – V T05
2021-06-17 12:31:58 V 19 25 44.62 +07 06 40.2 13.3 V 247
2021-06-17 12:31:58 v 1 140.20198 +36.17830 – – 247
2021-06-17 12:32:30 V 19 25 44.42 +07 06 28.1 13.3 V 247
2021-06-17 12:32:30 v 1 140.20198 +36.17830 – – 247
2021-06-17 12:33:01 V 19 25 44.29 +07 06 21.7 13.5 V 247
2021-06-17 12:33:01 v 1 140.20198 +36.17830 – – 247
2021-06-17 12:33:33 V 19 25 44.14 +07 06 08.5 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)