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 20:12:54 v 1 033.33054 +35.08946 247
2021-06-17 20:13:26 V 19 23 48.21 +04 44 43.8 13.9 V 247
2021-06-17 20:13:26 v 1 033.33054 +35.08946 247
2021-06-17 20:13:58 V 19 23 48.11 +04 44 35.1 13.4 V 247
2021-06-17 20:13:58 v 1 033.33054 +35.08946 247
2021-06-17 20:14:29 V 19 23 47.97 +04 44 25.4 13.1 V 247
2021-06-17 20:14:29 v 1 033.33054 +35.08946 247
2021-06-17 20:20:43 V 19 23 46.35 +04 42 33.6 14.3 V 247
2021-06-17 20:20:43 v 1 033.33054 +35.08946 247
2021-06-17 20:21:15 V 19 23 46.16 +04 42 23.7 15.4 V 247
2021-06-17 20:21:15 v 1 033.33054 +35.08946 247
2021-06-17 20:21:46 V 19 23 46.09 +04 42 12.4 13.6 V 247
2021-06-17 20:21:46 v 1 033.33054 +35.08946 247
2021-06-17 20:22:18 V 19 23 45.93 +04 42 03.5 13.9 V 247
2021-06-17 20:22:18 v 1 033.33054 +35.08946 247
2021-06-17 20:22:50 V 19 23 45.78 +04 41 54.3 13.9 V 247
2021-06-17 20:22:50 v 1 033.33054 +35.08946 247
2021-06-17 20:23:22 V 19 23 45.60 +04 41 44.3 14.2 V 247
2021-06-17 20:23:22 v 1 033.33054 +35.08946 247
2021-06-17 20:23:53 V 19 23 45.46 +04 41 33.5 13.7 V 247
2021-06-17 20:23:53 v 1 033.33054 +35.08946 247
2021-06-17 20:24:25 V 19 23 45.32 +04 41 25.9 14.0 V 247
2021-06-17 20:24:25 v 1 033.33054 +35.08946 247
2021-06-17 20:24:57 V 19 23 45.15 +04 41 15.7 13.6 V 247
2021-06-17 20:24:57 v 1 033.33054 +35.08946 247
2021-06-17 20:25:29 V 19 23 45.02 +04 41 06.6 13.7 V 247
2021-06-17 20:25:29 v 1 033.33054 +35.08946 247
2021-06-17 20:26:01 V 19 23 44.86 +04 40 55.7 13.8 V 247
2021-06-17 20:26:01 v 1 033.33054 +35.08946 247
2021-06-17 20:26:32 V 19 23 44.74 +04 40 46.7 14.5 V 247
2021-06-17 20:26:32 v 1 033.33054 +35.08946 247
2021-06-17 20:26:56 C 19 23 44.56 +04 40 15.1 V L54
2021-06-17 20:27:04 V 19 23 44.59 +04 40 37.3 15.0 V 247
2021-06-17 20:27:04 v 1 033.33054 +35.08946 247
2021-06-17 20:27:36 V 19 23 44.45 +04 40 27.2 14.3 V 247
2021-06-17 20:27:36 v 1 033.33054 +35.08946 247
2021-06-17 20:28:08 V 19 23 44.31 +04 40 18.3 14.2 V 247
2021-06-17 20:28:08 v 1 033.33054 +35.08946 247
2021-06-17 20:28:39 V 19 23 44.14 +04 40 08.1 14.4 V 247
2021-06-17 20:28:39 v 1 033.33054 +35.08946 247
2021-06-17 20:29:11 V 19 23 44.01 +04 39 58.8 13.7 V 247
2021-06-17 20:29:11 v 1 033.33054 +35.08946 247
2021-06-17 20:29:43 V 19 23 43.89 +04 39 49.8 13.6 V 247
2021-06-17 20:29:43 v 1 033.33054 +35.08946 247
2021-06-17 20:30:15 V 19 23 43.72 +04 39 39.0 13.7 V 247
2021-06-17 20:30:15 v 1 033.33054 +35.08946 247
2021-06-17 20:30:46 V 19 23 43.58 +04 39 29.1 13.9 V 247
2021-06-17 20:30:46 v 1 033.33054 +35.08946 247
2021-06-17 20:31:18 V 19 23 43.44 +04 39 19.8 13.7 V 247
2021-06-17 20:31:18 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)