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
2021-06-20 17:19:37 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:20:09 V 19 08 52.25 -13 12 22.1 13.0 V 247
2021-06-20 17:20:09 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:20:41 V 19 08 52.12 -13 12 30.6 13.2 V 247
2021-06-20 17:20:41 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:25:24 V 19 08 51.09 -13 13 30.4 13.3 V 247
2021-06-20 17:25:24 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:25:56 V 19 08 50.97 -13 13 37.1 13.6 V 247
2021-06-20 17:25:56 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:26:28 V 19 08 50.89 -13 13 44.5 13.3 V 247
2021-06-20 17:26:28 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:27:00 V 19 08 50.78 -13 13 51.1 13.3 V 247
2021-06-20 17:27:00 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:27:31 V 19 08 50.65 -13 13 58.8 13.1 V 247
2021-06-20 17:27:31 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:28:03 V 19 08 50.54 -13 14 03.4 13.2 V 247
2021-06-20 17:28:03 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:28:35 V 19 08 50.41 -13 14 12.0 13.0 V 247
2021-06-20 17:28:35 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:29:38 V 19 08 50.25 -13 14 25.7 14.2 V 247
2021-06-20 17:29:38 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:30:50 V 19 08 49.92 -13 14 38.2 14.1 V 247
2021-06-20 17:30:50 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:31:22 V 19 08 49.77 -13 14 47.3 13.5 V 247
2021-06-20 17:31:22 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:31:53 V 19 08 49.75 -13 14 52.8 13.6 V 247
2021-06-20 17:31:53 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:36:27 V 19 08 48.68 -13 15 50.4 13.3 V 247
2021-06-20 17:36:27 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:36:59 V 19 08 48.71 -13 15 59.4 14.0 V 247
2021-06-20 17:36:59 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:37:31 V 19 08 48.51 -13 16 07.1 13.3 V 247
2021-06-20 17:37:31 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:42:17 V 19 08 47.52 -13 17 05.8 13.5 V 247
2021-06-20 17:42:17 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:47:03 V 19 08 46.44 -13 18 08.5 13.7 V 247
2021-06-20 17:47:03 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:47:35 V 19 08 46.36 -13 18 13.0 14.8 V 247
2021-06-20 17:47:35 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:48:38 V 19 08 46.06 -13 18 28.4 12.6 V 247
2021-06-20 17:48:38 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:49:12 V 19 08 46.08 -13 18 35.0 12.1 V 247
2021-06-20 17:49:12 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:52:23 V 19 08 45.36 -13 19 16.3 14.1 V 247
2021-06-20 17:52:23 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:53:00 V 19 08 45.25 -13 19 22.4 14.6 V 247
2021-06-20 17:53:00 v 1 138.70718 +36.35424 – – 247
2021-06-20 17:57:42 V 19 08 44.09 -13 20 24.5 11.8 V 247
2021-06-20 17:57:42 v 1 138.70718 +36.35424 – – 247
2021-06-20 18:00:57 V 19 08 43.48 -13 21 05.2 13.8 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)