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 17:47:58 V 18 42 56.10 -37 28 19.8 14.9 V 247
2021-06-28 17:47:58 v 1 055.57625 -21.19295 247
2021-06-28 17:48:02 V 18 42 56.09 -37 28 20.2 14.8 V 247
2021-06-28 17:48:02 v 1 055.57625 -21.19295 247
2021-06-28 17:48:06 V 18 42 56.09 -37 28 20.6 14.8 V 247
2021-06-28 17:48:06 v 1 055.57625 -21.19295 247
2021-06-28 17:48:10 V 18 42 56.08 -37 28 20.9 14.9 V 247
2021-06-28 17:48:10 v 1 055.57625 -21.19295 247
2021-06-28 17:48:14 V 18 42 56.08 -37 28 21.1 14.9 V 247
2021-06-28 17:48:14 v 1 055.57625 -21.19295 247
2021-06-28 17:48:18 V 18 42 56.07 -37 28 21.6 15.1 V 247
2021-06-28 17:48:18 v 1 055.57625 -21.19295 247
2021-06-28 17:48:22 V 18 42 56.06 -37 28 21.7 15.1 V 247
2021-06-28 17:48:22 v 1 055.57625 -21.19295 247
2021-06-28 17:48:26 V 18 42 56.04 -37 28 22.1 15.0 V 247
2021-06-28 17:48:26 v 1 055.57625 -21.19295 247
2021-06-28 17:48:30 V 18 42 56.03 -37 28 22.4 15.0 V 247
2021-06-28 17:48:30 v 1 055.57625 -21.19295 247
2021-06-28 17:48:34 V 18 42 56.02 -37 28 22.6 15.2 V 247
2021-06-28 17:48:34 v 1 055.57625 -21.19295 247
2021-06-28 17:48:38 V 18 42 56.00 -37 28 22.8 15.1 V 247
2021-06-28 17:48:38 v 1 055.57625 -21.19295 247
2021-06-28 17:48:42 V 18 42 56.00 -37 28 23.0 15.1 V 247
2021-06-28 17:48:42 v 1 055.57625 -21.19295 247
2021-06-28 17:48:45 V 18 42 55.98 -37 28 23.2 15.1 V 247
2021-06-28 17:48:45 v 1 055.57625 -21.19295 247
2021-06-28 17:48:49 V 18 42 55.99 -37 28 23.5 14.9 V 247
2021-06-28 17:48:49 v 1 055.57625 -21.19295 247
2021-06-28 17:48:53 V 18 42 55.98 -37 28 23.8 14.9 V 247
2021-06-28 17:48:53 v 1 055.57625 -21.19295 247
2021-06-28 17:48:57 V 18 42 55.96 -37 28 24.1 14.9 V 247
2021-06-28 17:48:57 v 1 055.57625 -21.19295 247
2021-06-28 17:49:01 V 18 42 55.96 -37 28 24.6 14.9 V 247
2021-06-28 17:49:01 v 1 055.57625 -21.19295 247
2021-06-28 17:49:05 V 18 42 55.96 -37 28 24.9 14.8 V 247
2021-06-28 17:49:05 v 1 055.57625 -21.19295 247
2021-06-28 17:49:09 V 18 42 55.94 -37 28 25.2 14.7 V 247
2021-06-28 17:49:09 v 1 055.57625 -21.19295 247
2021-06-28 17:49:13 V 18 42 55.92 -37 28 25.7 14.7 V 247
2021-06-28 17:49:13 v 1 055.57625 -21.19295 247
2021-06-28 17:49:17 V 18 42 55.90 -37 28 25.8 14.7 V 247
2021-06-28 17:49:17 v 1 055.57625 -21.19295 247
2021-06-28 17:49:21 V 18 42 55.89 -37 28 26.0 14.8 V 247
2021-06-28 17:49:21 v 1 055.57625 -21.19295 247
2021-06-28 17:49:25 V 18 42 55.89 -37 28 26.3 14.7 V 247
2021-06-28 17:49:25 v 1 055.57625 -21.19295 247
2021-06-28 17:49:29 V 18 42 55.88 -37 28 26.6 14.8 V 247
2021-06-28 17:49:29 v 1 055.57625 -21.19295 247
2021-06-28 17:49:33 V 18 42 55.88 -37 28 26.9 14.8 V 247
2021-06-28 17:49:33 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)