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 22:00:15 v 1 033.33054 +35.08946 247
2021-06-17 22:00:30 V 19 23 19.98 +04 11 52.7 14.1 V 247
2021-06-17 22:00:30 v 1 016.33600 +48.20413 247
2021-06-17 22:01:02 V 19 23 19.89 +04 11 44.9 13.8 V 247
2021-06-17 22:01:02 v 1 016.33600 +48.20413 247
2021-06-17 22:01:19 V 19 23 18.53 +04 12 09.5 13.6 V 247
2021-06-17 22:01:19 v 1 033.33054 +35.08946 247
2021-06-17 22:01:50 V 19 23 18.37 +04 11 59.2 13.6 V 247
2021-06-17 22:01:50 v 1 033.33054 +35.08946 247
2021-06-17 22:02:05 V 19 23 19.56 +04 11 24.8 13.7 V 247
2021-06-17 22:02:05 v 1 016.33600 +48.20413 247
2021-06-17 22:02:22 V 19 23 18.19 +04 11 50.0 13.6 V 247
2021-06-17 22:02:22 v 1 033.33054 +35.08946 247
2021-06-17 22:02:37 V 19 23 19.39 +04 11 15.6 13.7 V 247
2021-06-17 22:02:37 v 1 016.33600 +48.20413 247
2021-06-17 22:02:54 V 19 23 18.05 +04 11 39.5 13.4 V 247
2021-06-17 22:02:54 v 1 033.33054 +35.08946 247
2021-06-17 22:03:09 V 19 23 19.26 +04 11 05.0 14.0 V 247
2021-06-17 22:03:09 v 1 016.33600 +48.20413 247
2021-06-17 22:03:26 V 19 23 17.90 +04 11 31.4 13.5 V 247
2021-06-17 22:03:26 v 1 033.33054 +35.08946 247
2021-06-17 22:03:40 V 19 23 19.15 +04 10 56.4 13.6 V 247
2021-06-17 22:03:40 v 1 016.33600 +48.20413 247
2021-06-17 22:03:57 V 19 23 17.76 +04 11 20.8 13.8 V 247
2021-06-17 22:03:57 v 1 033.33054 +35.08946 247
2021-06-17 22:04:12 V 19 23 18.91 +04 10 46.0 13.6 V 247
2021-06-17 22:04:12 v 1 016.33600 +48.20413 247
2021-06-17 22:04:29 V 19 23 17.59 +04 11 11.8 13.9 V 247
2021-06-17 22:04:29 v 1 033.33054 +35.08946 247
2021-06-17 22:04:44 V 19 23 18.84 +04 10 36.7 13.8 V 247
2021-06-17 22:04:44 v 1 016.33600 +48.20413 247
2021-06-17 22:05:01 V 19 23 17.42 +04 11 01.7 14.2 V 247
2021-06-17 22:05:01 v 1 033.33054 +35.08946 247
2021-06-17 22:05:16 V 19 23 18.73 +04 10 27.9 14.3 V 247
2021-06-17 22:05:16 v 1 016.33600 +48.20413 247
2021-06-17 22:05:26 C 19 23 18.11 +04 10 30.4 V L54
2021-06-17 22:05:33 V 19 23 17.29 +04 10 51.9 14.3 V 247
2021-06-17 22:05:33 v 1 033.33054 +35.08946 247
2021-06-17 22:06:05 V 19 23 17.15 +04 10 43.0 14.1 V 247
2021-06-17 22:06:05 v 1 033.33054 +35.08946 247
2021-06-17 22:06:19 V 19 23 18.44 +04 10 08.7 13.2 V 247
2021-06-17 22:06:19 v 1 016.33600 +48.20413 247
2021-06-17 22:06:36 V 19 23 17.02 +04 10 33.3 14.4 V 247
2021-06-17 22:06:36 v 1 033.33054 +35.08946 247
2021-06-17 22:06:51 V 19 23 18.31 +04 09 59.4 12.6 V 247
2021-06-17 22:06:51 v 1 016.33600 +48.20413 247
2021-06-17 22:07:08 V 19 23 16.83 +04 10 21.9 14.0 V 247
2021-06-17 22:07:08 v 1 033.33054 +35.08946 247
2021-06-17 22:07:40 V 19 23 16.70 +04 10 13.1 14.5 V 247
2021-06-17 22:07:40 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)