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 21:39:19 V 19 23 25.64 +04 18 17.1 13.7 V 247
2021-06-17 21:39:19 v 1 016.33600 +48.20413 247
2021-06-17 21:39:43 V 19 23 24.54 +04 18 39.9 13.7 V 247
2021-06-17 21:39:43 v 1 033.33054 +35.08946 247
2021-06-17 21:39:51 V 19 23 25.57 +04 18 07.3 14.0 V 247
2021-06-17 21:39:51 v 1 016.33600 +48.20413 247
2021-06-17 21:40:15 V 19 23 24.43 +04 18 30.8 13.8 V 247
2021-06-17 21:40:15 v 1 033.33054 +35.08946 247
2021-06-17 21:40:46 V 19 23 24.22 +04 18 20.5 14.0 V 247
2021-06-17 21:40:46 v 1 033.33054 +35.08946 247
2021-06-17 21:40:54 V 19 23 25.18 +04 17 46.9 13.6 V 247
2021-06-17 21:40:54 v 1 016.33600 +48.20413 247
2021-06-17 21:41:18 V 19 23 24.11 +04 18 10.3 13.7 V 247
2021-06-17 21:41:18 v 1 033.33054 +35.08946 247
2021-06-17 21:41:26 V 19 23 25.08 +04 17 38.5 13.6 V 247
2021-06-17 21:41:26 v 1 016.33600 +48.20413 247
2021-06-17 21:41:50 V 19 23 23.97 +04 18 01.6 13.5 V 247
2021-06-17 21:41:50 v 1 033.33054 +35.08946 247
2021-06-17 21:42:22 V 19 23 23.78 +04 17 50.8 13.5 V 247
2021-06-17 21:42:22 v 1 033.33054 +35.08946 247
2021-06-17 21:42:30 V 19 23 24.80 +04 17 19.0 14.2 V 247
2021-06-17 21:42:30 v 1 016.33600 +48.20413 247
2021-06-17 21:42:53 V 19 23 23.66 +04 17 43.3 13.6 V 247
2021-06-17 21:42:53 v 1 033.33054 +35.08946 247
2021-06-17 21:43:25 V 19 23 23.50 +04 17 32.9 13.8 V 247
2021-06-17 21:43:25 v 1 033.33054 +35.08946 247
2021-06-17 21:43:57 V 19 23 23.36 +04 17 22.1 13.8 V 247
2021-06-17 21:43:57 v 1 033.33054 +35.08946 247
2021-06-17 21:44:29 V 19 23 23.23 +04 17 14.2 13.9 V 247
2021-06-17 21:44:29 v 1 033.33054 +35.08946 247
2021-06-17 21:44:37 V 19 23 24.22 +04 16 40.1 13.7 V 247
2021-06-17 21:44:37 v 1 016.33600 +48.20413 247
2021-06-17 21:45:01 V 19 23 23.07 +04 17 03.1 13.6 V 247
2021-06-17 21:45:01 v 1 033.33054 +35.08946 247
2021-06-17 21:45:09 V 19 23 24.13 +04 16 32.6 13.8 V 247
2021-06-17 21:45:09 v 1 016.33600 +48.20413 247
2021-06-17 21:45:32 V 19 23 22.92 +04 16 54.9 13.7 V 247
2021-06-17 21:45:32 v 1 033.33054 +35.08946 247
2021-06-17 21:45:40 V 19 23 24.00 +04 16 22.6 14.0 V 247
2021-06-17 21:45:40 v 1 016.33600 +48.20413 247
2021-06-17 21:46:04 V 19 23 22.78 +04 16 44.5 13.7 V 247
2021-06-17 21:46:04 v 1 033.33054 +35.08946 247
2021-06-17 21:46:12 V 19 23 23.77 +04 16 12.5 13.9 V 247
2021-06-17 21:46:12 v 1 016.33600 +48.20413 247
2021-06-17 21:46:36 V 19 23 22.64 +04 16 35.1 14.1 V 247
2021-06-17 21:46:36 v 1 033.33054 +35.08946 247
2021-06-17 21:46:44 V 19 23 23.65 +04 16 03.1 14.2 V 247
2021-06-17 21:46:44 v 1 016.33600 +48.20413 247
2021-06-17 21:47:08 V 19 23 22.48 +04 16 25.6 13.5 V 247
2021-06-17 21:47:08 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)