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 13:36:33 v 1 140.20198 +36.17830 247
2021-06-17 13:37:05 V 19 25 26.44 +06 46 28.3 13.8 V 247
2021-06-17 13:37:05 v 1 140.20198 +36.17830 247
2021-06-17 13:37:37 V 19 25 26.26 +06 46 17.2 13.9 V 247
2021-06-17 13:37:37 v 1 140.20198 +36.17830 247
2021-06-17 13:38:09 V 19 25 26.11 +06 46 07.9 13.6 V 247
2021-06-17 13:38:09 v 1 140.20198 +36.17830 247
2021-06-17 13:38:41 V 19 25 25.96 +06 45 56.7 13.4 V 247
2021-06-17 13:38:41 v 1 140.20198 +36.17830 247
2021-06-17 13:40:16 V 19 25 25.51 +06 45 28.9 14.1 V 247
2021-06-17 13:40:16 v 1 140.20198 +36.17830 247
2021-06-17 13:40:48 V 19 25 25.37 +06 45 18.5 13.8 V 247
2021-06-17 13:40:48 v 1 140.20198 +36.17830 247
2021-06-17 13:42:23 V 19 25 24.91 +06 44 48.0 13.7 V 247
2021-06-17 13:42:23 v 1 140.20198 +36.17830 247
2021-06-17 13:43:26 V 19 25 24.55 +06 44 29.4 13.3 V 247
2021-06-17 13:43:26 v 1 140.20198 +36.17830 247
2021-06-17 13:44:30 V 19 25 24.30 +06 44 09.7 13.6 V 247
2021-06-17 13:44:30 v 1 140.20198 +36.17830 247
2021-06-17 13:45:02 V 19 25 24.22 +06 44 00.3 13.8 V 247
2021-06-17 13:45:02 v 1 140.20198 +36.17830 247
2021-06-17 13:45:34 V 19 25 24.03 +06 43 49.9 13.5 V 247
2021-06-17 13:45:34 v 1 140.20198 +36.17830 247
2021-06-17 13:46:05 V 19 25 23.89 +06 43 40.2 13.6 V 247
2021-06-17 13:46:05 v 1 140.20198 +36.17830 247
2021-06-17 13:48:12 V 19 25 23.24 +06 43 00.3 13.7 V 247
2021-06-17 13:48:12 v 1 140.20198 +36.17830 247
2021-06-17 13:48:44 V 19 25 23.18 +06 42 51.5 13.8 V 247
2021-06-17 13:48:44 v 1 140.20198 +36.17830 247
2021-06-17 13:49:16 V 19 25 22.97 +06 42 40.6 13.8 V 247
2021-06-17 13:49:16 v 1 140.20198 +36.17830 247
2021-06-17 13:50:20 V 19 25 22.71 +06 42 20.4 13.5 V 247
2021-06-17 13:50:20 v 1 140.20198 +36.17830 247
2021-06-17 13:51:23 V 19 25 22.38 +06 42 03.4 13.6 V 247
2021-06-17 13:51:23 v 1 140.20198 +36.17830 247
2021-06-17 13:52:27 V 19 25 22.02 +06 41 41.9 13.7 V 247
2021-06-17 13:52:27 v 1 140.20198 +36.17830 247
2021-06-17 13:52:58 V 19 25 21.93 +06 41 31.6 13.6 V 247
2021-06-17 13:52:58 v 1 140.20198 +36.17830 247
2021-06-17 13:53:30 V 19 25 21.78 +06 41 22.4 13.9 V 247
2021-06-17 13:53:30 v 1 140.20198 +36.17830 247
2021-06-17 13:54:34 V 19 25 21.49 +06 41 03.5 13.8 V 247
2021-06-17 13:54:34 v 1 140.20198 +36.17830 247
2021-06-17 14:00:21 V 19 25 19.83 +06 39 15.0 13.8 V 247
2021-06-17 14:00:21 v 1 140.20198 +36.17830 247
2021-06-17 14:00:53 V 19 25 19.67 +06 39 04.8 14.4 V 247
2021-06-17 14:00:53 v 1 140.20198 +36.17830 247
2021-06-17 14:01:57 V 19 25 19.32 +06 38 45.6 14.4 V 247
2021-06-17 14:01:57 v 1 140.20198 +36.17830 247
2021-06-17 14:02:28 V 19 25 19.23 +06 38 35.2 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)