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
2021-06-20 16:17:27 v 1 138.70718 +36.35424 247
2021-06-20 16:17:59 V 19 09 05.73 -12 59 02.1 13.4 V 247
2021-06-20 16:17:59 v 1 138.70718 +36.35424 247
2021-06-20 16:18:31 V 19 09 05.64 -12 59 09.4 13.3 V 247
2021-06-20 16:18:31 v 1 138.70718 +36.35424 247
2021-06-20 16:19:03 V 19 09 05.52 -12 59 16.0 13.4 V 247
2021-06-20 16:19:03 v 1 138.70718 +36.35424 247
2021-06-20 16:19:34 V 19 09 05.42 -12 59 22.2 13.6 V 247
2021-06-20 16:19:34 v 1 138.70718 +36.35424 247
2021-06-20 16:20:06 V 19 09 05.28 -12 59 29.8 13.2 V 247
2021-06-20 16:20:06 v 1 138.70718 +36.35424 247
2021-06-20 16:20:38 V 19 09 05.16 -12 59 36.0 13.0 V 247
2021-06-20 16:20:38 v 1 138.70718 +36.35424 247
2021-06-20 16:21:41 V 19 09 04.89 -12 59 49.2 12.8 V 247
2021-06-20 16:21:41 v 1 138.70718 +36.35424 247
2021-06-20 16:22:13 V 19 09 04.79 -12 59 57.1 14.5 V 247
2021-06-20 16:22:13 v 1 138.70718 +36.35424 247
2021-06-20 16:22:45 V 19 09 04.71 -13 00 03.9 15.1 V 247
2021-06-20 16:22:45 v 1 138.70718 +36.35424 247
2021-06-20 16:23:17 V 19 09 04.60 -13 00 10.9 12.9 V 247
2021-06-20 16:23:17 v 1 138.70718 +36.35424 247
2021-06-20 16:41:22 V 19 09 00.64 -13 04 04.2 13.4 V 247
2021-06-20 16:41:22 v 1 138.70718 +36.35424 247
2021-06-20 16:41:54 V 19 09 00.54 -13 04 10.9 13.3 V 247
2021-06-20 16:41:54 v 1 138.70718 +36.35424 247
2021-06-20 16:42:25 V 19 09 00.40 -13 04 18.3 13.2 V 247
2021-06-20 16:42:25 v 1 138.70718 +36.35424 247
2021-06-20 16:42:57 V 19 09 00.32 -13 04 24.0 13.3 V 247
2021-06-20 16:42:57 v 1 138.70718 +36.35424 247
2021-06-20 16:43:29 V 19 09 00.22 -13 04 30.8 13.3 V 247
2021-06-20 16:43:29 v 1 138.70718 +36.35424 247
2021-06-20 16:44:01 V 19 09 00.10 -13 04 37.6 13.5 V 247
2021-06-20 16:44:01 v 1 138.70718 +36.35424 247
2021-06-20 16:44:34 V 19 08 59.97 -13 04 44.2 13.4 V 247
2021-06-20 16:44:34 v 1 138.70718 +36.35424 247
2021-06-20 16:45:08 V 19 08 59.83 -13 04 53.6 13.4 V 247
2021-06-20 16:45:08 v 1 138.70718 +36.35424 247
2021-06-20 16:45:40 V 19 08 59.71 -13 04 59.6 13.2 V 247
2021-06-20 16:45:40 v 1 138.70718 +36.35424 247
2021-06-20 16:46:12 V 19 08 59.67 -13 05 06.0 13.4 V 247
2021-06-20 16:46:12 v 1 138.70718 +36.35424 247
2021-06-20 16:46:43 V 19 08 59.51 -13 05 12.5 13.7 V 247
2021-06-20 16:46:43 v 1 138.70718 +36.35424 247
2021-06-20 16:47:51 V 19 08 59.31 -13 05 28.6 13.2 V 247
2021-06-20 16:47:51 v 1 138.70718 +36.35424 247
2021-06-20 16:48:23 V 19 08 59.12 -13 05 34.2 12.9 V 247
2021-06-20 16:48:23 v 1 138.70718 +36.35424 247
2021-06-20 16:49:46 V 19 08 58.84 -13 05 53.0 12.9 V 247
2021-06-20 16:49:46 v 1 138.70718 +36.35424 247
2021-06-20 16:50:18 V 19 08 58.76 -13 05 58.2 13.4 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)