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 18:30:41 V 18 42 51.06 -37 31 18.2 14.5 V 247
2021-06-28 18:30:41 v 1 055.57625 -21.19295 247
2021-06-28 18:30:45 V 18 42 51.05 -37 31 18.5 14.5 V 247
2021-06-28 18:30:45 v 1 055.57625 -21.19295 247
2021-06-28 18:30:49 V 18 42 51.04 -37 31 18.7 14.6 V 247
2021-06-28 18:30:49 v 1 055.57625 -21.19295 247
2021-06-28 18:30:53 V 18 42 51.03 -37 31 18.9 14.6 V 247
2021-06-28 18:30:53 v 1 055.57625 -21.19295 247
2021-06-28 18:30:57 V 18 42 51.03 -37 31 19.3 14.7 V 247
2021-06-28 18:30:57 v 1 055.57625 -21.19295 247
2021-06-28 18:31:01 V 18 42 51.02 -37 31 19.6 14.7 V 247
2021-06-28 18:31:01 v 1 055.57625 -21.19295 247
2021-06-28 18:31:05 V 18 42 51.01 -37 31 19.9 14.8 V 247
2021-06-28 18:31:05 v 1 055.57625 -21.19295 247
2021-06-28 18:31:09 V 18 42 50.99 -37 31 20.1 14.7 V 247
2021-06-28 18:31:09 v 1 055.57625 -21.19295 247
2021-06-28 18:31:13 V 18 42 50.97 -37 31 20.4 14.7 V 247
2021-06-28 18:31:13 v 1 055.57625 -21.19295 247
2021-06-28 18:31:17 V 18 42 50.97 -37 31 20.7 14.7 V 247
2021-06-28 18:31:17 v 1 055.57625 -21.19295 247
2021-06-28 18:31:21 V 18 42 50.96 -37 31 21.0 14.7 V 247
2021-06-28 18:31:21 v 1 055.57625 -21.19295 247
2021-06-28 18:31:25 V 18 42 50.94 -37 31 21.1 14.7 V 247
2021-06-28 18:31:25 v 1 055.57625 -21.19295 247
2021-06-28 18:31:29 V 18 42 50.94 -37 31 21.5 14.8 V 247
2021-06-28 18:31:29 v 1 055.57625 -21.19295 247
2021-06-28 18:31:33 V 18 42 50.93 -37 31 21.8 14.8 V 247
2021-06-28 18:31:33 v 1 055.57625 -21.19295 247
2021-06-28 18:31:37 V 18 42 50.94 -37 31 22.0 14.9 V 247
2021-06-28 18:31:37 v 1 055.57625 -21.19295 247
2021-06-28 18:31:41 V 18 42 50.92 -37 31 22.3 15.0 V 247
2021-06-28 18:31:41 v 1 055.57625 -21.19295 247
2021-06-28 18:31:45 V 18 42 50.90 -37 31 22.3 14.9 V 247
2021-06-28 18:31:45 v 1 055.57625 -21.19295 247
2021-06-28 18:31:49 V 18 42 50.91 -37 31 22.7 15.1 V 247
2021-06-28 18:31:49 v 1 055.57625 -21.19295 247
2021-06-28 18:31:53 V 18 42 50.90 -37 31 23.0 15.0 V 247
2021-06-28 18:31:53 v 1 055.57625 -21.19295 247
2021-06-28 18:31:57 V 18 42 50.90 -37 31 23.4 14.9 V 247
2021-06-28 18:31:57 v 1 055.57625 -21.19295 247
2021-06-28 18:32:01 V 18 42 50.89 -37 31 23.5 14.8 V 247
2021-06-28 18:32:01 v 1 055.57625 -21.19295 247
2021-06-28 18:32:05 V 18 42 50.89 -37 31 23.9 14.8 V 247
2021-06-28 18:32:05 v 1 055.57625 -21.19295 247
2021-06-28 18:32:09 V 18 42 50.88 -37 31 24.2 14.8 V 247
2021-06-28 18:32:09 v 1 055.57625 -21.19295 247
2021-06-28 18:32:13 V 18 42 50.87 -37 31 24.4 14.7 V 247
2021-06-28 18:32:13 v 1 055.57625 -21.19295 247
2021-06-28 18:32:17 V 18 42 50.87 -37 31 24.7 14.8 V 247
2021-06-28 18:32:17 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)