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
2021-06-28 08:29:00 V 18 43 50.86 -36 50 06.7 14.7 V 247
2021-06-28 08:29:00 v 1 201.91295 +21.37121 247
2021-06-28 08:29:32 V 18 43 50.80 -36 50 08.9 14.6 V 247
2021-06-28 08:29:32 v 1 201.91295 +21.37121 247
2021-06-28 08:30:04 V 18 43 50.75 -36 50 11.4 14.6 V 247
2021-06-28 08:30:04 v 1 201.91295 +21.37121 247
2021-06-28 08:30:36 V 18 43 50.66 -36 50 13.9 14.4 V 247
2021-06-28 08:30:36 v 1 201.91295 +21.37121 247
2021-06-28 08:31:08 V 18 43 50.61 -36 50 15.9 14.5 V 247
2021-06-28 08:31:08 v 1 201.91295 +21.37121 247
2021-06-28 08:31:39 V 18 43 50.55 -36 50 18.6 14.7 V 247
2021-06-28 08:31:39 v 1 201.91295 +21.37121 247
2021-06-28 08:32:11 V 18 43 50.48 -36 50 20.5 14.6 V 247
2021-06-28 08:32:11 v 1 201.91295 +21.37121 247
2021-06-28 08:32:43 V 18 43 50.42 -36 50 22.8 14.3 V 247
2021-06-28 08:32:43 v 1 201.91295 +21.37121 247
2021-06-28 08:33:15 V 18 43 50.37 -36 50 25.5 14.6 V 247
2021-06-28 08:33:15 v 1 201.91295 +21.37121 247
2021-06-28 08:33:46 V 18 43 50.28 -36 50 27.6 14.8 V 247
2021-06-28 08:33:46 v 1 201.91295 +21.37121 247
2021-06-28 08:34:18 V 18 43 50.24 -36 50 30.1 14.5 V 247
2021-06-28 08:34:18 v 1 201.91295 +21.37121 247
2021-06-28 08:34:50 V 18 43 50.16 -36 50 32.0 14.7 V 247
2021-06-28 08:34:50 v 1 201.91295 +21.37121 247
2021-06-28 08:35:22 V 18 43 50.09 -36 50 34.6 14.9 V 247
2021-06-28 08:35:22 v 1 201.91295 +21.37121 247
2021-06-28 08:35:53 V 18 43 50.04 -36 50 36.7 14.6 V 247
2021-06-28 08:35:53 v 1 201.91295 +21.37121 247
2021-06-28 08:36:25 V 18 43 49.96 -36 50 39.4 15.3 V 247
2021-06-28 08:36:25 v 1 201.91295 +21.37121 247
2021-06-28 08:36:57 V 18 43 49.96 -36 50 41.7 15.0 V 247
2021-06-28 08:36:57 v 1 201.91295 +21.37121 247
2021-06-28 08:37:29 V 18 43 49.85 -36 50 43.7 16.1 V 247
2021-06-28 08:37:29 v 1 201.91295 +21.37121 247
2021-06-28 08:38:01 V 18 43 49.81 -36 50 45.8 15.7 V 247
2021-06-28 08:38:01 v 1 201.91295 +21.37121 247
2021-06-28 08:38:32 V 18 43 49.72 -36 50 48.5 15.8 V 247
2021-06-28 08:38:32 v 1 201.91295 +21.37121 247
2021-06-28 08:39:04 V 18 43 49.65 -36 50 50.6 16.0 V 247
2021-06-28 08:39:04 v 1 201.91295 +21.37121 247
2021-06-28 08:39:36 V 18 43 49.58 -36 50 53.3 16.3 V 247
2021-06-28 08:39:36 v 1 201.91295 +21.37121 247
2021-06-28 08:40:08 V 18 43 49.50 -36 50 55.6 16.1 V 247
2021-06-28 08:40:08 v 1 201.91295 +21.37121 247
2021-06-28 08:40:39 V 18 43 49.46 -36 50 57.8 16.1 V 247
2021-06-28 08:40:39 v 1 201.91295 +21.37121 247
2021-06-28 08:41:11 V 18 43 49.38 -36 51 00.3 15.4 V 247
2021-06-28 08:41:11 v 1 201.91295 +21.37121 247
2021-06-28 08:41:43 V 18 43 49.30 -36 51 02.7 15.4 V 247
2021-06-28 08:41:43 v 1 201.91295 +21.37121 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)