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 17:51:16 V 18 42 55.74 -37 28 33.6 15.0 V 247
2021-06-28 17:51:16 v 1 055.57625 -21.19295 247
2021-06-28 17:51:20 V 18 42 55.73 -37 28 34.0 15.0 V 247
2021-06-28 17:51:20 v 1 055.57625 -21.19295 247
2021-06-28 17:51:24 V 18 42 55.71 -37 28 34.2 15.0 V 247
2021-06-28 17:51:24 v 1 055.57625 -21.19295 247
2021-06-28 17:51:28 V 18 42 55.69 -37 28 34.6 15.0 V 247
2021-06-28 17:51:28 v 1 055.57625 -21.19295 247
2021-06-28 17:51:32 V 18 42 55.68 -37 28 35.1 14.9 V 247
2021-06-28 17:51:32 v 1 055.57625 -21.19295 247
2021-06-28 17:51:36 V 18 42 55.67 -37 28 35.5 14.9 V 247
2021-06-28 17:51:36 v 1 055.57625 -21.19295 247
2021-06-28 17:51:40 V 18 42 55.66 -37 28 35.7 14.9 V 247
2021-06-28 17:51:40 v 1 055.57625 -21.19295 247
2021-06-28 17:51:44 V 18 42 55.63 -37 28 35.8 14.9 V 247
2021-06-28 17:51:44 v 1 055.57625 -21.19295 247
2021-06-28 17:51:48 V 18 42 55.62 -37 28 36.1 14.9 V 247
2021-06-28 17:51:48 v 1 055.57625 -21.19295 247
2021-06-28 17:51:52 V 18 42 55.61 -37 28 36.3 14.9 V 247
2021-06-28 17:51:52 v 1 055.57625 -21.19295 247
2021-06-28 17:51:56 V 18 42 55.60 -37 28 36.4 14.9 V 247
2021-06-28 17:51:56 v 1 055.57625 -21.19295 247
2021-06-28 17:52:00 V 18 42 55.61 -37 28 36.6 14.8 V 247
2021-06-28 17:52:00 v 1 055.57625 -21.19295 247
2021-06-28 17:52:04 V 18 42 55.60 -37 28 37.0 14.8 V 247
2021-06-28 17:52:04 v 1 055.57625 -21.19295 247
2021-06-28 17:52:08 V 18 42 55.58 -37 28 37.4 14.8 V 247
2021-06-28 17:52:08 v 1 055.57625 -21.19295 247
2021-06-28 17:52:12 V 18 42 55.57 -37 28 37.7 14.8 V 247
2021-06-28 17:52:12 v 1 055.57625 -21.19295 247
2021-06-28 17:52:16 V 18 42 55.57 -37 28 38.3 14.8 V 247
2021-06-28 17:52:16 v 1 055.57625 -21.19295 247
2021-06-28 17:52:20 V 18 42 55.56 -37 28 38.7 14.7 V 247
2021-06-28 17:52:20 v 1 055.57625 -21.19295 247
2021-06-28 17:52:24 V 18 42 55.56 -37 28 38.9 14.8 V 247
2021-06-28 17:52:24 v 1 055.57625 -21.19295 247
2021-06-28 17:52:28 V 18 42 55.55 -37 28 39.3 14.8 V 247
2021-06-28 17:52:28 v 1 055.57625 -21.19295 247
2021-06-28 17:54:17 V 18 42 55.34 -37 28 46.3 14.2 V 247
2021-06-28 17:54:17 v 1 055.57625 -21.19295 247
2021-06-28 17:54:21 V 18 42 55.34 -37 28 46.5 14.1 V 247
2021-06-28 17:54:21 v 1 055.57625 -21.19295 247
2021-06-28 17:54:25 V 18 42 55.33 -37 28 46.7 14.1 V 247
2021-06-28 17:54:25 v 1 055.57625 -21.19295 247
2021-06-28 17:54:29 V 18 42 55.32 -37 28 46.7 14.1 V 247
2021-06-28 17:54:29 v 1 055.57625 -21.19295 247
2021-06-28 17:54:33 V 18 42 55.31 -37 28 47.0 14.1 V 247
2021-06-28 17:54:33 v 1 055.57625 -21.19295 247
2021-06-28 17:54:37 V 18 42 55.29 -37 28 47.3 14.1 V 247
2021-06-28 17:54:37 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)