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 20:47:11 v 1 033.33054 +35.08946 247
2021-06-17 20:47:43 V 19 23 38.92 +04 34 20.8 13.8 V 247
2021-06-17 20:47:43 v 1 033.33054 +35.08946 247
2021-06-17 20:48:15 V 19 23 38.77 +04 34 12.8 13.9 V 247
2021-06-17 20:48:15 v 1 033.33054 +35.08946 247
2021-06-17 20:48:47 V 19 23 38.64 +04 34 02.9 13.8 V 247
2021-06-17 20:48:47 v 1 033.33054 +35.08946 247
2021-06-17 20:49:18 V 19 23 38.49 +04 33 52.8 13.9 V 247
2021-06-17 20:49:18 v 1 033.33054 +35.08946 247
2021-06-17 20:49:50 V 19 23 38.35 +04 33 43.9 14.3 V 247
2021-06-17 20:49:50 v 1 033.33054 +35.08946 247
2021-06-17 20:50:22 V 19 23 38.16 +04 33 34.4 14.6 V 247
2021-06-17 20:50:22 v 1 033.33054 +35.08946 247
2021-06-17 20:50:54 V 19 23 38.04 +04 33 25.0 14.0 V 247
2021-06-17 20:50:54 v 1 033.33054 +35.08946 247
2021-06-17 20:51:25 V 19 23 37.89 +04 33 14.7 13.5 V 247
2021-06-17 20:51:25 v 1 033.33054 +35.08946 247
2021-06-17 20:51:57 V 19 23 37.77 +04 33 05.6 13.5 V 247
2021-06-17 20:51:57 v 1 033.33054 +35.08946 247
2021-06-17 20:52:29 V 19 23 37.62 +04 32 56.4 13.5 V 247
2021-06-17 20:52:29 v 1 033.33054 +35.08946 247
2021-06-17 20:53:01 V 19 23 37.44 +04 32 45.8 13.9 V 247
2021-06-17 20:53:01 v 1 033.33054 +35.08946 247
2021-06-17 20:54:04 V 19 23 37.18 +04 32 27.2 13.9 V 247
2021-06-17 20:54:04 v 1 033.33054 +35.08946 247
2021-06-17 20:54:36 V 19 23 37.01 +04 32 17.0 13.9 V 247
2021-06-17 20:54:36 v 1 033.33054 +35.08946 247
2021-06-17 20:55:08 V 19 23 36.89 +04 32 08.1 13.6 V 247
2021-06-17 20:55:08 v 1 033.33054 +35.08946 247
2021-06-17 20:55:40 V 19 23 36.71 +04 31 57.8 13.4 V 247
2021-06-17 20:55:40 v 1 033.33054 +35.08946 247
2021-06-17 20:56:11 V 19 23 36.59 +04 31 48.9 13.5 V 247
2021-06-17 20:56:11 v 1 033.33054 +35.08946 247
2021-06-17 20:56:43 V 19 23 36.41 +04 31 38.8 13.9 V 247
2021-06-17 20:56:43 v 1 033.33054 +35.08946 247
2021-06-17 20:57:15 V 19 23 36.31 +04 31 29.7 13.5 V 247
2021-06-17 20:57:15 v 1 033.33054 +35.08946 247
2021-06-17 20:57:47 V 19 23 36.12 +04 31 19.0 13.6 V 247
2021-06-17 20:57:47 v 1 033.33054 +35.08946 247
2021-06-17 20:58:18 V 19 23 36.00 +04 31 10.4 13.8 V 247
2021-06-17 20:58:18 v 1 033.33054 +35.08946 247
2021-06-17 20:58:50 V 19 23 35.88 +04 31 00.8 14.1 V 247
2021-06-17 20:58:50 v 1 033.33054 +35.08946 247
2021-06-17 20:59:15 C 19 23 35.98 +04 30 28.4 V L54
2021-06-17 20:59:22 V 19 23 35.68 +04 30 51.2 13.7 V 247
2021-06-17 20:59:22 v 1 033.33054 +35.08946 247
2021-06-17 20:59:54 V 19 23 35.59 +04 30 41.4 13.7 V 247
2021-06-17 20:59:54 v 1 033.33054 +35.08946 247
2021-06-17 21:10:04 V 19 23 32.73 +04 27 37.2 14.0 V 247
2021-06-17 21:10:04 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)