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 17:35:43 V 18 42 57.55 -37 27 28.5 14.5 V 247
2021-06-28 17:35:43 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:47 V 18 42 57.53 -37 27 28.8 14.5 V 247
2021-06-28 17:35:47 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:51 V 18 42 57.54 -37 27 29.1 14.5 V 247
2021-06-28 17:35:51 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:55 V 18 42 57.53 -37 27 29.4 14.5 V 247
2021-06-28 17:35:55 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:35:59 V 18 42 57.50 -37 27 29.7 14.5 V 247
2021-06-28 17:35:59 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:03 V 18 42 57.50 -37 27 29.9 14.6 V 247
2021-06-28 17:36:03 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:07 V 18 42 57.49 -37 27 30.3 14.6 V 247
2021-06-28 17:36:07 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:11 V 18 42 57.49 -37 27 30.6 14.6 V 247
2021-06-28 17:36:11 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:15 V 18 42 57.48 -37 27 30.9 14.6 V 247
2021-06-28 17:36:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:19 V 18 42 57.47 -37 27 31.2 14.6 V 247
2021-06-28 17:36:19 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:23 V 18 42 57.48 -37 27 31.4 14.7 V 247
2021-06-28 17:36:23 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:27 V 18 42 57.46 -37 27 31.5 14.7 V 247
2021-06-28 17:36:27 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:31 V 18 42 57.46 -37 27 31.9 14.7 V 247
2021-06-28 17:36:31 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:35 V 18 42 57.46 -37 27 32.1 14.7 V 247
2021-06-28 17:36:35 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:39 V 18 42 57.44 -37 27 32.3 14.7 V 247
2021-06-28 17:36:39 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:43 V 18 42 57.44 -37 27 32.6 14.7 V 247
2021-06-28 17:36:43 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:47 V 18 42 57.44 -37 27 33.0 14.8 V 247
2021-06-28 17:36:47 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:51 V 18 42 57.42 -37 27 33.2 14.7 V 247
2021-06-28 17:36:51 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:55 V 18 42 57.42 -37 27 33.5 14.7 V 247
2021-06-28 17:36:55 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:36:59 V 18 42 57.42 -37 27 33.7 14.6 V 247
2021-06-28 17:36:59 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:37:03 V 18 42 57.40 -37 27 34.0 14.5 V 247
2021-06-28 17:37:03 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:37:07 V 18 42 57.39 -37 27 34.4 14.5 V 247
2021-06-28 17:37:07 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:37:11 V 18 42 57.39 -37 27 34.6 14.5 V 247
2021-06-28 17:37:11 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:37:15 V 18 42 57.38 -37 27 34.8 14.5 V 247
2021-06-28 17:37:15 v 1 055.57625 -21.19295 – – 247
2021-06-28 17:37:19 V 18 42 57.36 -37 27 34.9 14.5 V 247
2021-06-28 17:37:19 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)