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 04:12:09 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:12:49 V 19 27 53.20 +09 44 26.2 13.9 V 247
2021-06-17 04:12:49 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:13:29 V 19 27 53.05 +09 44 14.3 14.0 V 247
2021-06-17 04:13:29 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:16:47 V 19 27 52.10 +09 43 11.5 15.0 V 247
2021-06-17 04:16:47 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:17:27 V 19 27 51.89 +09 42 58.5 15.8 V 247
2021-06-17 04:17:27 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:18:46 V 19 27 51.40 +09 42 30.3 13.7 V 247
2021-06-17 04:18:46 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:20:45 V 19 27 50.91 +09 41 54.6 14.0 V 247
2021-06-17 04:20:45 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:21:25 V 19 27 50.72 +09 41 41.8 13.9 V 247
2021-06-17 04:21:25 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:22:05 V 19 27 50.54 +09 41 30.1 13.9 V 247
2021-06-17 04:22:05 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:22:45 V 19 27 50.32 +09 41 17.4 13.6 V 247
2021-06-17 04:22:45 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:29:22 V 19 27 48.41 +09 39 11.3 13.8 V 247
2021-06-17 04:29:22 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:31:50 V 19 27 48.30 +09 38 28.3 13.5 V 247
2021-06-17 04:31:50 v 1 273.41712 +30.43471 – – 247
2021-06-17 04:33:20 V 19 27 47.22 +09 37 53.6 13.9 V 247
2021-06-17 04:33:20 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:36:38 V 19 27 46.27 +09 36 52.3 13.9 V 247
2021-06-17 04:36:38 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:37:18 V 19 27 45.98 +09 36 36.4 13.9 V 247
2021-06-17 04:37:18 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:38:38 V 19 27 45.60 +09 36 11.5 13.8 V 247
2021-06-17 04:38:38 v 1 276.64254 +33.90568 – – 247
2021-06-17 04:41:56 V 19 27 44.69 +09 35 10.7 14.1 V 247
2021-06-17 04:41:56 v 1 276.64254 +33.90568 – – 247
2021-06-17 05:23:15 V 19 27 33.00 +09 22 10.2 13.7 V 247
2021-06-17 05:23:15 v 1 273.41712 +30.43471 – – 247
2021-06-17 06:17:39 V 19 27 15.71 +09 04 39.2 13.5 V 247
2021-06-17 06:17:39 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:18:11 V 19 27 15.52 +09 04 30.6 13.9 V 247
2021-06-17 06:18:11 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:18:43 V 19 27 15.40 +09 04 20.5 14.2 V 247
2021-06-17 06:18:43 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:20:18 V 19 27 14.89 +09 03 50.0 14.9 V 247
2021-06-17 06:20:18 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:20:50 V 19 27 14.74 +09 03 40.3 14.1 V 247
2021-06-17 06:20:50 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:23:11 V 19 27 14.07 +09 02 56.2 14.2 V 247
2021-06-17 06:23:11 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:23:44 V 19 27 13.86 +09 02 45.3 14.0 V 247
2021-06-17 06:23:44 v 1 279.45338 +35.38396 – – 247
2021-06-17 06:24:48 V 19 27 13.56 +09 02 25.0 13.9 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)