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 17:57:59 V 18 42 54.89 -37 29 01.9 14.0 V 247
2021-06-28 17:57:59 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:03 V 18 42 54.88 -37 29 02.2 14.0 V 247
2021-06-28 17:58:03 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:07 V 18 42 54.86 -37 29 02.5 14.0 V 247
2021-06-28 17:58:07 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:11 V 18 42 54.86 -37 29 02.7 14.0 V 247
2021-06-28 17:58:11 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:15 V 18 42 54.87 -37 29 02.9 14.0 V 247
2021-06-28 17:58:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:19 V 18 42 54.87 -37 29 03.1 13.9 V 247
2021-06-28 17:58:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:23 V 18 42 54.86 -37 29 03.3 14.0 V 247
2021-06-28 17:58:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:27 V 18 42 54.86 -37 29 03.6 14.0 V 247
2021-06-28 17:58:27 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:31 V 18 42 54.86 -37 29 04.0 14.0 V 247
2021-06-28 17:58:31 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:35 V 18 42 54.84 -37 29 04.2 14.0 V 247
2021-06-28 17:58:35 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:39 V 18 42 54.83 -37 29 04.6 14.0 V 247
2021-06-28 17:58:39 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:43 V 18 42 54.82 -37 29 04.9 14.0 V 247
2021-06-28 17:58:43 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:47 V 18 42 54.82 -37 29 05.1 14.1 V 247
2021-06-28 17:58:47 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:51 V 18 42 54.81 -37 29 05.4 14.1 V 247
2021-06-28 17:58:51 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:55 V 18 42 54.79 -37 29 05.6 14.1 V 247
2021-06-28 17:58:55 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:58:59 V 18 42 54.79 -37 29 05.7 14.1 V 247
2021-06-28 17:58:59 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:03 V 18 42 54.78 -37 29 06.1 14.1 V 247
2021-06-28 17:59:03 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:07 V 18 42 54.77 -37 29 06.4 14.2 V 247
2021-06-28 17:59:07 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:11 V 18 42 54.78 -37 29 06.8 14.3 V 247
2021-06-28 17:59:11 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:15 V 18 42 54.77 -37 29 07.0 14.3 V 247
2021-06-28 17:59:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:19 V 18 42 54.76 -37 29 07.2 14.3 V 247
2021-06-28 17:59:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:23 V 18 42 54.76 -37 29 07.4 14.3 V 247
2021-06-28 17:59:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:27 V 18 42 54.77 -37 29 08.0 14.4 V 247
2021-06-28 17:59:27 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:31 V 18 42 54.76 -37 29 08.2 14.4 V 247
2021-06-28 17:59:31 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:59:35 V 18 42 54.76 -37 29 08.5 14.5 V 247
2021-06-28 17:59:35 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)