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
2021-06-28 17:43:00 V 18 42 56.69 -37 27 59.1 14.4 V 247
2021-06-28 17:43:00 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:04 V 18 42 56.68 -37 27 59.4 14.4 V 247
2021-06-28 17:43:04 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:08 V 18 42 56.66 -37 27 59.7 14.4 V 247
2021-06-28 17:43:08 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:12 V 18 42 56.67 -37 28 00.0 14.4 V 247
2021-06-28 17:43:12 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:16 V 18 42 56.66 -37 28 00.3 14.5 V 247
2021-06-28 17:43:16 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:20 V 18 42 56.65 -37 28 00.6 14.5 V 247
2021-06-28 17:43:20 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:24 V 18 42 56.64 -37 28 00.8 14.5 V 247
2021-06-28 17:43:24 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:28 V 18 42 56.62 -37 28 01.0 14.5 V 247
2021-06-28 17:43:28 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:32 V 18 42 56.61 -37 28 01.3 14.5 V 247
2021-06-28 17:43:32 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:36 V 18 42 56.59 -37 28 01.4 14.6 V 247
2021-06-28 17:43:36 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:40 V 18 42 56.59 -37 28 01.6 14.6 V 247
2021-06-28 17:43:40 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:44 V 18 42 56.57 -37 28 02.0 14.5 V 247
2021-06-28 17:43:44 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:48 V 18 42 56.56 -37 28 02.3 14.5 V 247
2021-06-28 17:43:48 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:52 V 18 42 56.56 -37 28 02.5 14.5 V 247
2021-06-28 17:43:52 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:43:56 V 18 42 56.54 -37 28 02.8 14.5 V 247
2021-06-28 17:43:56 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:00 V 18 42 56.56 -37 28 03.0 14.6 V 247
2021-06-28 17:44:00 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:04 V 18 42 56.55 -37 28 03.2 14.6 V 247
2021-06-28 17:44:04 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:08 V 18 42 56.55 -37 28 03.7 14.6 V 247
2021-06-28 17:44:08 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:12 V 18 42 56.54 -37 28 04.0 14.6 V 247
2021-06-28 17:44:12 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:15 V 18 42 56.53 -37 28 04.3 14.6 V 247
2021-06-28 17:44:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:19 V 18 42 56.52 -37 28 04.6 14.6 V 247
2021-06-28 17:44:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:23 V 18 42 56.51 -37 28 05.0 14.6 V 247
2021-06-28 17:44:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:27 V 18 42 56.48 -37 28 05.2 14.6 V 247
2021-06-28 17:44:27 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:31 V 18 42 56.47 -37 28 05.4 14.6 V 247
2021-06-28 17:44:31 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:44:35 V 18 42 56.46 -37 28 05.6 14.5 V 247
2021-06-28 17:44:35 v 1 055.57625 -21.19295 – – 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)