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 18:07:35 V 18 42 53.77 -37 29 41.7 15.6 V 247
2021-06-28 18:07:35 v 1 055.57625 -21.19295 247
2021-06-28 18:07:39 V 18 42 53.76 -37 29 42.0 15.6 V 247
2021-06-28 18:07:39 v 1 055.57625 -21.19295 247
2021-06-28 18:07:43 V 18 42 53.75 -37 29 42.3 15.5 V 247
2021-06-28 18:07:43 v 1 055.57625 -21.19295 247
2021-06-28 18:07:47 V 18 42 53.74 -37 29 42.7 15.5 V 247
2021-06-28 18:07:47 v 1 055.57625 -21.19295 247
2021-06-28 18:07:51 V 18 42 53.73 -37 29 43.0 15.5 V 247
2021-06-28 18:07:51 v 1 055.57625 -21.19295 247
2021-06-28 18:07:55 V 18 42 53.73 -37 29 43.1 15.5 V 247
2021-06-28 18:07:55 v 1 055.57625 -21.19295 247
2021-06-28 18:07:59 V 18 42 53.72 -37 29 43.3 15.4 V 247
2021-06-28 18:07:59 v 1 055.57625 -21.19295 247
2021-06-28 18:08:03 V 18 42 53.72 -37 29 43.7 15.4 V 247
2021-06-28 18:08:03 v 1 055.57625 -21.19295 247
2021-06-28 18:08:07 V 18 42 53.71 -37 29 44.0 15.3 V 247
2021-06-28 18:08:07 v 1 055.57625 -21.19295 247
2021-06-28 18:08:11 V 18 42 53.71 -37 29 44.2 15.2 V 247
2021-06-28 18:08:11 v 1 055.57625 -21.19295 247
2021-06-28 18:08:15 V 18 42 53.70 -37 29 44.5 15.2 V 247
2021-06-28 18:08:15 v 1 055.57625 -21.19295 247
2021-06-28 18:08:19 V 18 42 53.69 -37 29 45.0 15.1 V 247
2021-06-28 18:08:19 v 1 055.57625 -21.19295 247
2021-06-28 18:08:23 V 18 42 53.68 -37 29 45.3 15.1 V 247
2021-06-28 18:08:23 v 1 055.57625 -21.19295 247
2021-06-28 18:08:27 V 18 42 53.67 -37 29 45.7 15.0 V 247
2021-06-28 18:08:27 v 1 055.57625 -21.19295 247
2021-06-28 18:08:31 V 18 42 53.66 -37 29 46.0 15.0 V 247
2021-06-28 18:08:31 v 1 055.57625 -21.19295 247
2021-06-28 18:08:35 V 18 42 53.66 -37 29 46.3 15.1 V 247
2021-06-28 18:08:35 v 1 055.57625 -21.19295 247
2021-06-28 18:08:39 V 18 42 53.65 -37 29 46.4 15.1 V 247
2021-06-28 18:08:39 v 1 055.57625 -21.19295 247
2021-06-28 18:08:43 V 18 42 53.64 -37 29 46.7 15.1 V 247
2021-06-28 18:08:43 v 1 055.57625 -21.19295 247
2021-06-28 18:08:47 V 18 42 53.63 -37 29 46.8 15.2 V 247
2021-06-28 18:08:47 v 1 055.57625 -21.19295 247
2021-06-28 18:08:51 V 18 42 53.62 -37 29 47.1 15.1 V 247
2021-06-28 18:08:51 v 1 055.57625 -21.19295 247
2021-06-28 18:08:55 V 18 42 53.61 -37 29 47.6 15.1 V 247
2021-06-28 18:08:55 v 1 055.57625 -21.19295 247
2021-06-28 18:08:59 V 18 42 53.61 -37 29 47.8 15.2 V 247
2021-06-28 18:08:59 v 1 055.57625 -21.19295 247
2021-06-28 18:09:03 V 18 42 53.61 -37 29 48.0 15.4 V 247
2021-06-28 18:09:03 v 1 055.57625 -21.19295 247
2021-06-28 18:09:07 V 18 42 53.59 -37 29 48.4 15.7 V 247
2021-06-28 18:09:07 v 1 055.57625 -21.19295 247
2021-06-28 18:09:11 V 18 42 53.60 -37 29 48.7 15.8 V 247
2021-06-28 18:09:11 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)