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 18:05:56 V 18 42 53.98 -37 29 35.0 16.3 V 247
2021-06-28 18:05:56 v 1 055.57625 -21.19295 247
2021-06-28 18:06:00 V 18 42 53.98 -37 29 35.2 15.9 V 247
2021-06-28 18:06:00 v 1 055.57625 -21.19295 247
2021-06-28 18:06:04 V 18 42 53.98 -37 29 35.4 15.8 V 247
2021-06-28 18:06:04 v 1 055.57625 -21.19295 247
2021-06-28 18:06:08 V 18 42 53.98 -37 29 35.6 15.5 V 247
2021-06-28 18:06:08 v 1 055.57625 -21.19295 247
2021-06-28 18:06:12 V 18 42 53.98 -37 29 35.9 15.5 V 247
2021-06-28 18:06:12 v 1 055.57625 -21.19295 247
2021-06-28 18:06:16 V 18 42 53.96 -37 29 36.4 15.3 V 247
2021-06-28 18:06:16 v 1 055.57625 -21.19295 247
2021-06-28 18:06:20 V 18 42 53.94 -37 29 36.8 15.3 V 247
2021-06-28 18:06:20 v 1 055.57625 -21.19295 247
2021-06-28 18:06:24 V 18 42 53.94 -37 29 37.1 15.4 V 247
2021-06-28 18:06:24 v 1 055.57625 -21.19295 247
2021-06-28 18:06:28 V 18 42 53.94 -37 29 37.3 15.5 V 247
2021-06-28 18:06:28 v 1 055.57625 -21.19295 247
2021-06-28 18:06:32 V 18 42 53.92 -37 29 37.6 15.5 V 247
2021-06-28 18:06:32 v 1 055.57625 -21.19295 247
2021-06-28 18:06:36 V 18 42 53.91 -37 29 37.9 15.4 V 247
2021-06-28 18:06:36 v 1 055.57625 -21.19295 247
2021-06-28 18:06:40 V 18 42 53.88 -37 29 38.3 15.4 V 247
2021-06-28 18:06:40 v 1 055.57625 -21.19295 247
2021-06-28 18:06:44 V 18 42 53.88 -37 29 38.5 15.3 V 247
2021-06-28 18:06:44 v 1 055.57625 -21.19295 247
2021-06-28 18:06:48 V 18 42 53.87 -37 29 38.8 15.5 V 247
2021-06-28 18:06:48 v 1 055.57625 -21.19295 247
2021-06-28 18:06:52 V 18 42 53.86 -37 29 39.2 15.4 V 247
2021-06-28 18:06:52 v 1 055.57625 -21.19295 247
2021-06-28 18:06:56 V 18 42 53.85 -37 29 39.6 15.3 V 247
2021-06-28 18:06:56 v 1 055.57625 -21.19295 247
2021-06-28 18:07:00 V 18 42 53.83 -37 29 40.0 15.3 V 247
2021-06-28 18:07:00 v 1 055.57625 -21.19295 247
2021-06-28 18:07:04 V 18 42 53.83 -37 29 40.3 15.3 V 247
2021-06-28 18:07:04 v 1 055.57625 -21.19295 247
2021-06-28 18:07:08 V 18 42 53.82 -37 29 40.5 15.3 V 247
2021-06-28 18:07:08 v 1 055.57625 -21.19295 247
2021-06-28 18:07:11 V 18 42 53.82 -37 29 40.8 15.4 V 247
2021-06-28 18:07:11 v 1 055.57625 -21.19295 247
2021-06-28 18:07:15 V 18 42 53.81 -37 29 40.9 15.5 V 247
2021-06-28 18:07:15 v 1 055.57625 -21.19295 247
2021-06-28 18:07:19 V 18 42 53.80 -37 29 41.1 15.5 V 247
2021-06-28 18:07:19 v 1 055.57625 -21.19295 247
2021-06-28 18:07:23 V 18 42 53.79 -37 29 41.3 15.6 V 247
2021-06-28 18:07:23 v 1 055.57625 -21.19295 247
2021-06-28 18:07:27 V 18 42 53.78 -37 29 41.5 15.7 V 247
2021-06-28 18:07:27 v 1 055.57625 -21.19295 247
2021-06-28 18:07:31 V 18 42 53.77 -37 29 41.5 15.7 V 247
2021-06-28 18:07:31 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)