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 21:47:39 V 19 23 22.31 +04 16 15.6 12.9 V 247
2021-06-17 21:47:39 v 1 033.33054 +35.08946 247
2021-06-17 21:47:47 V 19 23 23.34 +04 15 43.5 14.5 V 247
2021-06-17 21:47:47 v 1 016.33600 +48.20413 247
2021-06-17 21:48:11 V 19 23 22.17 +04 16 06.4 13.0 V 247
2021-06-17 21:48:11 v 1 033.33054 +35.08946 247
2021-06-17 21:48:43 C 19 23 22.65 +04 15 32.5 V L54
2021-06-17 21:51:30 V 19 23 22.35 +04 14 35.8 13.9 V 247
2021-06-17 21:51:30 v 1 016.33600 +48.20413 247
2021-06-17 21:52:02 V 19 23 22.29 +04 14 28.2 13.6 V 247
2021-06-17 21:52:02 v 1 016.33600 +48.20413 247
2021-06-17 21:52:33 V 19 23 22.14 +04 14 16.9 13.9 V 247
2021-06-17 21:52:33 v 1 016.33600 +48.20413 247
2021-06-17 21:52:50 V 19 23 20.88 +04 14 41.7 15.6 V 247
2021-06-17 21:52:50 v 1 033.33054 +35.08946 247
2021-06-17 21:53:37 V 19 23 21.88 +04 13 59.3 14.1 V 247
2021-06-17 21:53:37 v 1 016.33600 +48.20413 247
2021-06-17 21:53:54 V 19 23 20.64 +04 14 24.3 13.3 V 247
2021-06-17 21:53:54 v 1 033.33054 +35.08946 247
2021-06-17 21:54:09 V 19 23 21.70 +04 13 47.3 13.5 V 247
2021-06-17 21:54:09 v 1 016.33600 +48.20413 247
2021-06-17 21:54:26 V 19 23 20.46 +04 14 13.7 13.8 V 247
2021-06-17 21:54:26 v 1 033.33054 +35.08946 247
2021-06-17 21:54:40 V 19 23 21.56 +04 13 40.2 13.8 V 247
2021-06-17 21:54:40 v 1 016.33600 +48.20413 247
2021-06-17 21:55:12 V 19 23 21.39 +04 13 28.4 13.9 V 247
2021-06-17 21:55:12 v 1 016.33600 +48.20413 247
2021-06-17 21:55:44 V 19 23 21.29 +04 13 21.3 14.0 V 247
2021-06-17 21:55:44 v 1 016.33600 +48.20413 247
2021-06-17 21:56:01 V 19 23 20.00 +04 13 45.2 14.0 V 247
2021-06-17 21:56:01 v 1 033.33054 +35.08946 247
2021-06-17 21:56:16 V 19 23 21.11 +04 13 09.9 14.0 V 247
2021-06-17 21:56:16 v 1 016.33600 +48.20413 247
2021-06-17 21:56:47 V 19 23 20.99 +04 13 00.0 13.9 V 247
2021-06-17 21:56:47 v 1 016.33600 +48.20413 247
2021-06-17 21:57:51 V 19 23 20.70 +04 12 41.0 14.0 V 247
2021-06-17 21:57:51 v 1 016.33600 +48.20413 247
2021-06-17 21:58:08 V 19 23 19.43 +04 13 06.6 13.5 V 247
2021-06-17 21:58:08 v 1 033.33054 +35.08946 247
2021-06-17 21:58:23 V 19 23 20.46 +04 12 30.6 13.9 V 247
2021-06-17 21:58:23 v 1 016.33600 +48.20413 247
2021-06-17 21:58:40 V 19 23 19.28 +04 12 56.5 13.3 V 247
2021-06-17 21:58:40 v 1 033.33054 +35.08946 247
2021-06-17 21:59:12 V 19 23 19.12 +04 12 47.8 13.7 V 247
2021-06-17 21:59:12 v 1 033.33054 +35.08946 247
2021-06-17 21:59:26 V 19 23 20.16 +04 12 12.0 13.5 V 247
2021-06-17 21:59:26 v 1 016.33600 +48.20413 247
2021-06-17 21:59:43 V 19 23 18.97 +04 12 37.8 13.6 V 247
2021-06-17 21:59:43 v 1 033.33054 +35.08946 247
2021-06-17 22:00:15 V 19 23 18.80 +04 12 27.6 13.6 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)