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 22:08:12 V 19 23 16.54 +04 10 03.3 14.6 V 247
2021-06-17 22:08:12 v 1 033.33054 +35.08946 247
2021-06-17 22:08:26 V 19 23 17.81 +04 09 30.0 13.6 V 247
2021-06-17 22:08:26 v 1 016.33600 +48.20413 247
2021-06-17 22:08:43 V 19 23 16.42 +04 09 54.6 14.7 V 247
2021-06-17 22:08:43 v 1 033.33054 +35.08946 247
2021-06-17 22:08:58 V 19 23 17.61 +04 09 19.4 13.9 V 247
2021-06-17 22:08:58 v 1 016.33600 +48.20413 247
2021-06-17 22:09:15 V 19 23 16.26 +04 09 45.5 14.4 V 247
2021-06-17 22:09:15 v 1 033.33054 +35.08946 247
2021-06-17 22:09:30 V 19 23 17.56 +04 09 10.2 13.7 V 247
2021-06-17 22:09:30 v 1 016.33600 +48.20413 247
2021-06-17 22:09:47 V 19 23 16.13 +04 09 36.4 13.9 V 247
2021-06-17 22:09:47 v 1 033.33054 +35.08946 247
2021-06-17 22:10:02 V 19 23 17.42 +04 09 00.6 14.0 V 247
2021-06-17 22:10:02 v 1 016.33600 +48.20413 247
2021-06-17 22:10:19 V 19 23 15.98 +04 09 26.6 13.7 V 247
2021-06-17 22:10:19 v 1 033.33054 +35.08946 247
2021-06-17 22:10:50 V 19 23 15.83 +04 09 16.7 13.7 V 247
2021-06-17 22:10:50 v 1 033.33054 +35.08946 247
2021-06-17 22:11:22 V 19 23 15.67 +04 09 06.4 13.7 V 247
2021-06-17 22:11:22 v 1 033.33054 +35.08946 247
2021-06-17 22:11:54 V 19 23 15.54 +04 08 57.3 13.5 V 247
2021-06-17 22:11:54 v 1 033.33054 +35.08946 247
2021-06-17 22:12:26 V 19 23 15.37 +04 08 47.7 13.6 V 247
2021-06-17 22:12:26 v 1 033.33054 +35.08946 247
2021-06-17 22:12:58 V 19 23 15.23 +04 08 38.6 13.5 V 247
2021-06-17 22:12:58 v 1 033.33054 +35.08946 247
2021-06-17 22:13:29 V 19 23 15.07 +04 08 28.7 13.4 V 247
2021-06-17 22:13:29 v 1 033.33054 +35.08946 247
2021-06-17 22:14:01 V 19 23 14.92 +04 08 18.6 13.6 V 247
2021-06-17 22:14:01 v 1 033.33054 +35.08946 247
2021-06-17 22:14:33 V 19 23 14.80 +04 08 09.7 13.7 V 247
2021-06-17 22:14:33 v 1 033.33054 +35.08946 247
2021-06-17 22:15:05 V 19 23 14.64 +04 08 00.2 13.7 V 247
2021-06-17 22:15:05 v 1 033.33054 +35.08946 247
2021-06-17 22:15:36 V 19 23 14.48 +04 07 50.5 13.7 V 247
2021-06-17 22:15:36 v 1 033.33054 +35.08946 247
2021-06-17 22:16:08 V 19 23 14.33 +04 07 41.1 13.5 V 247
2021-06-17 22:16:08 v 1 033.33054 +35.08946 247
2021-06-17 22:16:40 V 19 23 14.19 +04 07 32.2 13.6 V 247
2021-06-17 22:16:40 v 1 033.33054 +35.08946 247
2021-06-17 22:16:50 V 19 23 15.64 +04 06 58.8 14.5 V 247
2021-06-17 22:16:50 v 1 016.33600 +48.20413 247
2021-06-17 22:17:12 V 19 23 14.04 +04 07 21.7 13.6 V 247
2021-06-17 22:17:12 v 1 033.33054 +35.08946 247
2021-06-17 22:17:22 V 19 23 15.41 +04 06 49.3 13.5 V 247
2021-06-17 22:17:22 v 1 016.33600 +48.20413 247
2021-06-17 22:17:43 V 19 23 13.90 +04 07 12.0 13.8 V 247
2021-06-17 22:17:43 v 1 033.33054 +35.08946 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)