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 17:54:41 V 18 42 55.28 -37 28 47.6 14.1 V 247
2021-06-28 17:54:41 v 1 055.57625 -21.19295 247
2021-06-28 17:54:45 V 18 42 55.26 -37 28 48.0 14.0 V 247
2021-06-28 17:54:45 v 1 055.57625 -21.19295 247
2021-06-28 17:54:49 V 18 42 55.23 -37 28 48.4 14.0 V 247
2021-06-28 17:54:49 v 1 055.57625 -21.19295 247
2021-06-28 17:54:53 V 18 42 55.22 -37 28 48.8 14.0 V 247
2021-06-28 17:54:53 v 1 055.57625 -21.19295 247
2021-06-28 17:54:57 V 18 42 55.22 -37 28 49.2 14.0 V 247
2021-06-28 17:54:57 v 1 055.57625 -21.19295 247
2021-06-28 17:55:01 V 18 42 55.21 -37 28 49.5 14.0 V 247
2021-06-28 17:55:01 v 1 055.57625 -21.19295 247
2021-06-28 17:55:05 V 18 42 55.20 -37 28 49.8 14.0 V 247
2021-06-28 17:55:05 v 1 055.57625 -21.19295 247
2021-06-28 17:55:09 V 18 42 55.21 -37 28 50.0 14.0 V 247
2021-06-28 17:55:09 v 1 055.57625 -21.19295 247
2021-06-28 17:55:13 V 18 42 55.19 -37 28 50.3 14.0 V 247
2021-06-28 17:55:13 v 1 055.57625 -21.19295 247
2021-06-28 17:55:17 V 18 42 55.20 -37 28 50.8 14.0 V 247
2021-06-28 17:55:17 v 1 055.57625 -21.19295 247
2021-06-28 17:55:21 V 18 42 55.20 -37 28 51.0 14.0 V 247
2021-06-28 17:55:21 v 1 055.57625 -21.19295 247
2021-06-28 17:55:25 V 18 42 55.19 -37 28 51.3 14.0 V 247
2021-06-28 17:55:25 v 1 055.57625 -21.19295 247
2021-06-28 17:55:29 V 18 42 55.18 -37 28 51.6 13.9 V 247
2021-06-28 17:55:29 v 1 055.57625 -21.19295 247
2021-06-28 17:55:33 V 18 42 55.18 -37 28 51.8 13.9 V 247
2021-06-28 17:55:33 v 1 055.57625 -21.19295 247
2021-06-28 17:55:36 V 18 42 55.18 -37 28 51.9 13.8 V 247
2021-06-28 17:55:36 v 1 055.57625 -21.19295 247
2021-06-28 17:55:40 V 18 42 55.17 -37 28 52.2 13.8 V 247
2021-06-28 17:55:40 v 1 055.57625 -21.19295 247
2021-06-28 17:55:44 V 18 42 55.17 -37 28 52.4 13.8 V 247
2021-06-28 17:55:44 v 1 055.57625 -21.19295 247
2021-06-28 17:55:48 V 18 42 55.16 -37 28 52.7 13.8 V 247
2021-06-28 17:55:48 v 1 055.57625 -21.19295 247
2021-06-28 17:55:52 V 18 42 55.17 -37 28 53.1 13.8 V 247
2021-06-28 17:55:52 v 1 055.57625 -21.19295 247
2021-06-28 17:55:56 V 18 42 55.15 -37 28 53.4 13.8 V 247
2021-06-28 17:55:56 v 1 055.57625 -21.19295 247
2021-06-28 17:56:00 V 18 42 55.12 -37 28 53.7 13.8 V 247
2021-06-28 17:56:00 v 1 055.57625 -21.19295 247
2021-06-28 17:56:04 V 18 42 55.12 -37 28 53.9 13.8 V 247
2021-06-28 17:56:04 v 1 055.57625 -21.19295 247
2021-06-28 17:56:08 V 18 42 55.12 -37 28 54.1 13.9 V 247
2021-06-28 17:56:08 v 1 055.57625 -21.19295 247
2021-06-28 17:56:12 V 18 42 55.10 -37 28 54.5 13.8 V 247
2021-06-28 17:56:12 v 1 055.57625 -21.19295 247
2021-06-28 17:56:16 V 18 42 55.09 -37 28 54.8 13.9 V 247
2021-06-28 17:56:16 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)