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
2021-06-17 13:04:47 v 1 140.20198 +36.17830 247
2021-06-17 13:05:19 V 19 25 35.32 +06 56 18.5 14.0 V 247
2021-06-17 13:05:19 v 1 140.20198 +36.17830 247
2021-06-17 13:05:51 V 19 25 35.19 +06 56 10.1 13.9 V 247
2021-06-17 13:05:51 v 1 140.20198 +36.17830 247
2021-06-17 13:06:23 V 19 25 35.04 +06 55 58.1 13.8 V 247
2021-06-17 13:06:23 v 1 140.20198 +36.17830 247
2021-06-17 13:06:55 V 19 25 34.90 +06 55 48.8 13.6 V 247
2021-06-17 13:06:55 v 1 140.20198 +36.17830 247
2021-06-17 13:07:26 V 19 25 34.73 +06 55 37.3 13.7 V 247
2021-06-17 13:07:26 v 1 140.20198 +36.17830 247
2021-06-17 13:07:58 V 19 25 34.59 +06 55 29.9 13.6 V 247
2021-06-17 13:07:58 v 1 140.20198 +36.17830 247
2021-06-17 13:08:30 V 19 25 34.45 +06 55 20.2 13.6 V 247
2021-06-17 13:08:30 v 1 140.20198 +36.17830 247
2021-06-17 13:09:02 V 19 25 34.30 +06 55 09.4 13.6 V 247
2021-06-17 13:09:02 v 1 140.20198 +36.17830 247
2021-06-17 13:09:33 V 19 25 34.15 +06 54 59.8 13.8 V 247
2021-06-17 13:09:33 v 1 140.20198 +36.17830 247
2021-06-17 13:10:05 V 19 25 33.99 +06 54 49.1 13.7 V 247
2021-06-17 13:10:05 v 1 140.20198 +36.17830 247
2021-06-17 13:10:37 V 19 25 33.84 +06 54 39.6 13.8 V 247
2021-06-17 13:10:37 v 1 140.20198 +36.17830 247
2021-06-17 13:15:23 V 19 25 32.53 +06 53 12.8 13.6 V 247
2021-06-17 13:15:23 v 1 140.20198 +36.17830 247
2021-06-17 13:15:55 V 19 25 32.39 +06 53 01.6 13.8 V 247
2021-06-17 13:15:55 v 1 140.20198 +36.17830 247
2021-06-17 13:16:26 V 19 25 32.26 +06 52 52.0 14.0 V 247
2021-06-17 13:16:26 v 1 140.20198 +36.17830 247
2021-06-17 13:16:58 V 19 25 32.07 +06 52 41.9 13.8 V 247
2021-06-17 13:16:58 v 1 140.20198 +36.17830 247
2021-06-17 13:17:30 V 19 25 31.92 +06 52 32.6 13.8 V 247
2021-06-17 13:17:30 v 1 140.20198 +36.17830 247
2021-06-17 13:18:02 V 19 25 31.79 +06 52 23.7 13.7 V 247
2021-06-17 13:18:02 v 1 140.20198 +36.17830 247
2021-06-17 13:18:33 V 19 25 31.67 +06 52 12.2 13.5 V 247
2021-06-17 13:18:33 v 1 140.20198 +36.17830 247
2021-06-17 13:19:05 V 19 25 31.47 +06 52 02.3 13.6 V 247
2021-06-17 13:19:05 v 1 140.20198 +36.17830 247
2021-06-17 13:19:37 V 19 25 31.34 +06 51 52.9 13.7 V 247
2021-06-17 13:19:37 v 1 140.20198 +36.17830 247
2021-06-17 13:20:09 V 19 25 31.16 +06 51 42.8 13.7 V 247
2021-06-17 13:20:09 v 1 140.20198 +36.17830 247
2021-06-17 13:20:40 V 19 25 31.02 +06 51 33.1 13.8 V 247
2021-06-17 13:20:40 v 1 140.20198 +36.17830 247
2021-06-17 13:21:12 V 19 25 30.90 +06 51 24.3 13.8 V 247
2021-06-17 13:21:12 v 1 140.20198 +36.17830 247
2021-06-17 13:21:44 V 19 25 30.71 +06 51 12.7 13.6 V 247
2021-06-17 13:21:44 v 1 140.20198 +36.17830 247
2021-06-17 13:22:16 V 19 25 30.60 +06 51 04.9 13.7 V 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)