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 20:32:22 V 19 23 43.18 +04 39 01.9 13.4 V 247
2021-06-17 20:32:22 v 1 033.33054 +35.08946 247
2021-06-17 20:32:54 V 19 23 43.04 +04 38 51.4 13.6 V 247
2021-06-17 20:32:54 v 1 033.33054 +35.08946 247
2021-06-17 20:33:25 V 19 23 42.86 +04 38 41.2 14.1 V 247
2021-06-17 20:33:25 v 1 033.33054 +35.08946 247
2021-06-17 20:33:57 V 19 23 42.72 +04 38 32.4 13.6 V 247
2021-06-17 20:33:57 v 1 033.33054 +35.08946 247
2021-06-17 20:34:29 V 19 23 42.57 +04 38 22.7 13.6 V 247
2021-06-17 20:34:29 v 1 033.33054 +35.08946 247
2021-06-17 20:35:01 V 19 23 42.43 +04 38 13.1 14.0 V 247
2021-06-17 20:35:01 v 1 033.33054 +35.08946 247
2021-06-17 20:35:32 V 19 23 42.30 +04 38 03.4 14.6 V 247
2021-06-17 20:35:32 v 1 033.33054 +35.08946 247
2021-06-17 20:36:04 V 19 23 42.13 +04 37 54.3 14.1 V 247
2021-06-17 20:36:04 v 1 033.33054 +35.08946 247
2021-06-17 20:38:11 V 19 23 41.55 +04 37 15.2 14.3 V 247
2021-06-17 20:38:11 v 1 033.33054 +35.08946 247
2021-06-17 20:39:15 V 19 23 41.28 +04 36 55.4 14.1 V 247
2021-06-17 20:39:15 v 1 033.33054 +35.08946 247
2021-06-17 20:39:47 V 19 23 41.12 +04 36 45.8 13.5 V 247
2021-06-17 20:39:47 v 1 033.33054 +35.08946 247
2021-06-17 20:40:18 V 19 23 40.94 +04 36 35.7 13.6 V 247
2021-06-17 20:40:18 v 1 033.33054 +35.08946 247
2021-06-17 20:40:50 V 19 23 40.79 +04 36 26.3 13.9 V 247
2021-06-17 20:40:50 v 1 033.33054 +35.08946 247
2021-06-17 20:41:22 V 19 23 40.68 +04 36 17.4 13.6 V 247
2021-06-17 20:41:22 v 1 033.33054 +35.08946 247
2021-06-17 20:41:54 V 19 23 40.54 +04 36 07.1 13.8 V 247
2021-06-17 20:41:54 v 1 033.33054 +35.08946 247
2021-06-17 20:42:25 V 19 23 40.40 +04 35 57.7 13.6 V 247
2021-06-17 20:42:25 v 1 033.33054 +35.08946 247
2021-06-17 20:42:45 C 19 23 40.37 +04 35 27.6 V L54
2021-06-17 20:42:57 V 19 23 40.27 +04 35 49.7 13.6 V 247
2021-06-17 20:42:57 v 1 033.33054 +35.08946 247
2021-06-17 20:43:29 V 19 23 40.11 +04 35 38.5 13.7 V 247
2021-06-17 20:43:29 v 1 033.33054 +35.08946 247
2021-06-17 20:44:01 V 19 23 39.93 +04 35 29.1 13.7 V 247
2021-06-17 20:44:01 v 1 033.33054 +35.08946 247
2021-06-17 20:44:32 V 19 23 39.83 +04 35 19.6 13.6 V 247
2021-06-17 20:44:32 v 1 033.33054 +35.08946 247
2021-06-17 20:45:04 V 19 23 39.63 +04 35 09.3 13.6 V 247
2021-06-17 20:45:04 v 1 033.33054 +35.08946 247
2021-06-17 20:45:36 V 19 23 39.54 +04 35 00.7 13.7 V 247
2021-06-17 20:45:36 v 1 033.33054 +35.08946 247
2021-06-17 20:46:08 V 19 23 39.39 +04 34 50.8 13.7 V 247
2021-06-17 20:46:08 v 1 033.33054 +35.08946 247
2021-06-17 20:46:40 V 19 23 39.26 +04 34 42.0 13.8 V 247
2021-06-17 20:46:40 v 1 033.33054 +35.08946 247
2021-06-17 20:47:11 V 19 23 39.09 +04 34 31.2 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)