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 16:54:13 V 18 43 02.36 -37 24 32.3 15.3 V 247
2021-06-28 16:54:13 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:17 V 18 43 02.35 -37 24 32.8 15.2 V 247
2021-06-28 16:54:17 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:21 V 18 43 02.34 -37 24 33.1 15.2 V 247
2021-06-28 16:54:21 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:25 V 18 43 02.32 -37 24 33.2 15.2 V 247
2021-06-28 16:54:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:29 V 18 43 02.33 -37 24 33.5 15.1 V 247
2021-06-28 16:54:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:33 V 18 43 02.32 -37 24 33.7 15.1 V 247
2021-06-28 16:54:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:37 V 18 43 02.31 -37 24 33.9 15.1 V 247
2021-06-28 16:54:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:41 V 18 43 02.29 -37 24 34.0 15.1 V 247
2021-06-28 16:54:41 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:45 V 18 43 02.27 -37 24 34.4 15.0 V 247
2021-06-28 16:54:45 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:49 V 18 43 02.27 -37 24 34.6 15.0 V 247
2021-06-28 16:54:49 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:53 V 18 43 02.24 -37 24 35.2 15.0 V 247
2021-06-28 16:54:53 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:54:57 V 18 43 02.24 -37 24 35.3 15.0 V 247
2021-06-28 16:54:57 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:01 V 18 43 02.22 -37 24 35.6 15.0 V 247
2021-06-28 16:55:01 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:05 V 18 43 02.22 -37 24 36.0 15.1 V 247
2021-06-28 16:55:05 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:09 V 18 43 02.19 -37 24 36.3 15.1 V 247
2021-06-28 16:55:09 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:13 V 18 43 02.22 -37 24 36.7 15.1 V 247
2021-06-28 16:55:13 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:17 V 18 43 02.22 -37 24 36.8 15.2 V 247
2021-06-28 16:55:17 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:21 V 18 43 02.19 -37 24 37.1 15.2 V 247
2021-06-28 16:55:21 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:25 V 18 43 02.20 -37 24 37.2 15.4 V 247
2021-06-28 16:55:25 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:29 V 18 43 02.19 -37 24 37.6 15.4 V 247
2021-06-28 16:55:29 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:33 V 18 43 02.18 -37 24 37.8 15.4 V 247
2021-06-28 16:55:33 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:37 V 18 43 02.18 -37 24 37.9 15.2 V 247
2021-06-28 16:55:37 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:40 V 18 43 02.19 -37 24 38.3 15.2 V 247
2021-06-28 16:55:40 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:44 V 18 43 02.18 -37 24 38.5 15.2 V 247
2021-06-28 16:55:44 v 1 055.57625 -21.19295 – – 247
2021-06-28 16:55:48 V 18 43 02.18 -37 24 38.9 15.2 V 247
2021-06-28 16:55:48 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)