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 17:16:51 V 18 42 59.77 -37 26 08.4 14.3 V 247
2021-06-28 17:16:51 v 1 055.57625 -21.19295 247
2021-06-28 17:16:55 V 18 42 59.76 -37 26 08.7 14.3 V 247
2021-06-28 17:16:55 v 1 055.57625 -21.19295 247
2021-06-28 17:16:59 V 18 42 59.74 -37 26 08.9 14.3 V 247
2021-06-28 17:16:59 v 1 055.57625 -21.19295 247
2021-06-28 17:17:03 V 18 42 59.74 -37 26 09.2 14.3 V 247
2021-06-28 17:17:03 v 1 055.57625 -21.19295 247
2021-06-28 17:17:07 V 18 42 59.72 -37 26 09.6 14.4 V 247
2021-06-28 17:17:07 v 1 055.57625 -21.19295 247
2021-06-28 17:17:11 V 18 42 59.72 -37 26 09.8 14.4 V 247
2021-06-28 17:17:11 v 1 055.57625 -21.19295 247
2021-06-28 17:17:15 V 18 42 59.70 -37 26 10.2 14.4 V 247
2021-06-28 17:17:15 v 1 055.57625 -21.19295 247
2021-06-28 17:17:19 V 18 42 59.67 -37 26 10.4 14.4 V 247
2021-06-28 17:17:19 v 1 055.57625 -21.19295 247
2021-06-28 17:17:23 V 18 42 59.66 -37 26 10.7 14.4 V 247
2021-06-28 17:17:23 v 1 055.57625 -21.19295 247
2021-06-28 17:17:27 V 18 42 59.66 -37 26 11.2 14.4 V 247
2021-06-28 17:17:27 v 1 055.57625 -21.19295 247
2021-06-28 17:17:31 V 18 42 59.66 -37 26 11.6 14.3 V 247
2021-06-28 17:17:31 v 1 055.57625 -21.19295 247
2021-06-28 17:17:35 V 18 42 59.64 -37 26 11.8 14.3 V 247
2021-06-28 17:17:35 v 1 055.57625 -21.19295 247
2021-06-28 17:17:39 V 18 42 59.64 -37 26 12.2 14.2 V 247
2021-06-28 17:17:39 v 1 055.57625 -21.19295 247
2021-06-28 17:17:43 V 18 42 59.65 -37 26 12.7 14.2 V 247
2021-06-28 17:17:43 v 1 055.57625 -21.19295 247
2021-06-28 17:17:47 V 18 42 59.64 -37 26 12.9 14.2 V 247
2021-06-28 17:17:47 v 1 055.57625 -21.19295 247
2021-06-28 17:17:51 V 18 42 59.64 -37 26 13.1 14.2 V 247
2021-06-28 17:17:51 v 1 055.57625 -21.19295 247
2021-06-28 17:17:55 V 18 42 59.64 -37 26 13.5 14.1 V 247
2021-06-28 17:17:55 v 1 055.57625 -21.19295 247
2021-06-28 17:17:59 V 18 42 59.64 -37 26 13.5 14.1 V 247
2021-06-28 17:17:59 v 1 055.57625 -21.19295 247
2021-06-28 17:18:03 V 18 42 59.63 -37 26 13.7 14.1 V 247
2021-06-28 17:18:03 v 1 055.57625 -21.19295 247
2021-06-28 17:18:07 V 18 42 59.63 -37 26 13.9 14.1 V 247
2021-06-28 17:18:07 v 1 055.57625 -21.19295 247
2021-06-28 17:18:11 V 18 42 59.63 -37 26 14.3 14.1 V 247
2021-06-28 17:18:11 v 1 055.57625 -21.19295 247
2021-06-28 17:18:15 V 18 42 59.61 -37 26 14.7 14.0 V 247
2021-06-28 17:18:15 v 1 055.57625 -21.19295 247
2021-06-28 17:18:19 V 18 42 59.60 -37 26 15.1 14.0 V 247
2021-06-28 17:18:19 v 1 055.57625 -21.19295 247
2021-06-28 17:18:23 V 18 42 59.59 -37 26 15.3 14.0 V 247
2021-06-28 17:18:23 v 1 055.57625 -21.19295 247
2021-06-28 17:18:27 V 18 42 59.59 -37 26 15.7 13.9 V 247
2021-06-28 17:18:27 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)