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
2021-06-29 09:35:30 v 1 201.91295 +21.37100 247
2021-06-29 09:36:09 V 18 41 23.70 -38 30 59.0 15.7 V 247
2021-06-29 09:36:09 v 1 201.91295 +21.37100 247
2021-06-29 09:36:49 V 18 41 23.62 -38 31 01.3 14.8 V 247
2021-06-29 09:36:49 v 1 201.91295 +21.37100 247
2021-06-29 09:37:29 V 18 41 23.55 -38 31 04.1 14.8 V 247
2021-06-29 09:37:29 v 1 201.91295 +21.37100 247
2021-06-29 09:38:08 V 18 41 23.47 -38 31 06.7 14.8 V 247
2021-06-29 09:38:08 v 1 201.91295 +21.37100 247
2021-06-29 09:38:48 V 18 41 23.40 -38 31 09.3 14.7 V 247
2021-06-29 09:38:48 v 1 201.91295 +21.37100 247
2021-06-29 09:39:28 V 18 41 23.32 -38 31 11.6 14.6 V 247
2021-06-29 09:39:28 v 1 201.91295 +21.37100 247
2021-06-29 09:40:08 V 18 41 23.26 -38 31 14.7 14.8 V 247
2021-06-29 09:40:08 v 1 201.91295 +21.37100 247
2021-06-29 09:50:51 V 18 41 22.00 -38 31 54.5 15.3 V 247
2021-06-29 09:50:51 v 1 201.91295 +21.37100 247
2021-06-29 09:58:47 V 18 41 21.05 -38 32 25.3 15.7 V 247
2021-06-29 09:58:47 v 1 201.91295 +21.37100 247
2021-06-29 10:00:07 V 18 41 20.91 -38 32 30.1 15.3 V 247
2021-06-29 10:00:07 v 1 201.91295 +21.37100 247
2021-06-29 10:00:46 V 18 41 20.81 -38 32 32.5 15.4 V 247
2021-06-29 10:00:46 v 1 201.91295 +21.37100 247
2021-06-29 10:01:26 V 18 41 20.73 -38 32 35.0 15.0 V 247
2021-06-29 10:01:26 v 1 201.91295 +21.37100 247
2021-06-29 10:02:06 V 18 41 20.66 -38 32 37.7 15.3 V 247
2021-06-29 10:02:06 v 1 201.91295 +21.37100 247
2021-06-29 10:02:45 V 18 41 20.59 -38 32 40.0 14.9 V 247
2021-06-29 10:02:45 v 1 201.91295 +21.37100 247
2021-06-29 10:03:25 V 18 41 20.52 -38 32 42.6 15.5 V 247
2021-06-29 10:03:25 v 1 201.91295 +21.37100 247
2021-06-29 10:04:05 V 18 41 20.44 -38 32 44.9 15.5 V 247
2021-06-29 10:04:05 v 1 201.91295 +21.37100 247
2021-06-29 10:04:45 V 18 41 20.36 -38 32 47.5 15.1 V 247
2021-06-29 10:04:45 v 1 201.91295 +21.37100 247
2021-06-29 10:05:24 V 18 41 20.27 -38 32 50.2 14.8 V 247
2021-06-29 10:05:24 v 1 201.91295 +21.37100 247
2021-06-29 10:06:04 V 18 41 20.20 -38 32 52.7 14.7 V 247
2021-06-29 10:06:04 v 1 201.91295 +21.37100 247
2021-06-29 10:06:44 V 18 41 20.15 -38 32 54.8 14.6 V 247
2021-06-29 10:06:44 v 1 201.91295 +21.37100 247
2021-06-29 10:07:23 V 18 41 20.06 -38 32 57.4 14.5 V 247
2021-06-29 10:07:23 v 1 201.91295 +21.37100 247
2021-06-29 10:08:03 V 18 41 19.96 -38 33 00.0 14.7 V 247
2021-06-29 10:08:03 v 1 201.91295 +21.37100 247
2021-06-29 10:08:43 V 18 41 19.91 -38 33 02.4 14.5 V 247
2021-06-29 10:08:43 v 1 201.91295 +21.37100 247
2021-06-29 10:09:23 V 18 41 19.79 -38 33 05.2 14.9 V 247
2021-06-29 10:09:23 v 1 201.91295 +21.37100 247
2021-06-29 10:10:02 V 18 41 19.73 -38 33 07.4 14.5 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)