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 17:34:04 V 18 42 57.75 -37 27 21.2 14.4 V 247
2021-06-28 17:34:04 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:08 V 18 42 57.76 -37 27 21.5 14.4 V 247
2021-06-28 17:34:08 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:12 V 18 42 57.76 -37 27 21.9 14.4 V 247
2021-06-28 17:34:12 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:16 V 18 42 57.73 -37 27 22.2 14.4 V 247
2021-06-28 17:34:16 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:20 V 18 42 57.73 -37 27 22.6 14.4 V 247
2021-06-28 17:34:20 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:24 V 18 42 57.72 -37 27 22.9 14.4 V 247
2021-06-28 17:34:24 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:28 V 18 42 57.71 -37 27 23.2 14.4 V 247
2021-06-28 17:34:28 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:32 V 18 42 57.71 -37 27 23.5 14.4 V 247
2021-06-28 17:34:32 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:36 V 18 42 57.69 -37 27 23.8 14.4 V 247
2021-06-28 17:34:36 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:40 V 18 42 57.68 -37 27 24.2 14.5 V 247
2021-06-28 17:34:40 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:44 V 18 42 57.68 -37 27 24.6 14.4 V 247
2021-06-28 17:34:44 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:48 V 18 42 57.67 -37 27 24.8 14.5 V 247
2021-06-28 17:34:48 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:52 V 18 42 57.67 -37 27 24.9 14.5 V 247
2021-06-28 17:34:52 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:34:56 V 18 42 57.67 -37 27 25.2 14.5 V 247
2021-06-28 17:34:56 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:00 V 18 42 57.66 -37 27 25.4 14.5 V 247
2021-06-28 17:35:00 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:03 V 18 42 57.65 -37 27 25.7 14.5 V 247
2021-06-28 17:35:03 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:07 V 18 42 57.63 -37 27 25.9 14.6 V 247
2021-06-28 17:35:07 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:11 V 18 42 57.63 -37 27 26.0 14.6 V 247
2021-06-28 17:35:11 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:15 V 18 42 57.62 -37 27 26.2 14.6 V 247
2021-06-28 17:35:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:19 V 18 42 57.61 -37 27 26.6 14.6 V 247
2021-06-28 17:35:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:23 V 18 42 57.61 -37 27 27.0 14.6 V 247
2021-06-28 17:35:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:27 V 18 42 57.59 -37 27 27.4 14.6 V 247
2021-06-28 17:35:27 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:31 V 18 42 57.57 -37 27 27.8 14.5 V 247
2021-06-28 17:35:31 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:35 V 18 42 57.57 -37 27 28.1 14.5 V 247
2021-06-28 17:35:35 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:39 V 18 42 57.55 -37 27 28.4 14.5 V 247
2021-06-28 17:35:39 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)