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 11:50:47 V 18 43 25.71 -37 04 30.4 14.4 V 247
2021-06-28 11:50:47 v 1 201.91295 +21.37121 247
2021-06-28 11:51:19 V 18 43 25.68 -37 04 32.3 14.7 V 247
2021-06-28 11:51:19 v 1 201.91295 +21.37121 247
2021-06-28 11:51:50 V 18 43 25.58 -37 04 34.7 14.6 V 247
2021-06-28 11:51:50 v 1 201.91295 +21.37121 247
2021-06-28 11:52:22 V 18 43 25.51 -37 04 36.8 14.7 V 247
2021-06-28 11:52:22 v 1 201.91295 +21.37121 247
2021-06-28 11:52:54 V 18 43 25.46 -37 04 39.2 14.8 V 247
2021-06-28 11:52:54 v 1 201.91295 +21.37121 247
2021-06-28 11:53:26 V 18 43 25.39 -37 04 41.5 14.5 V 247
2021-06-28 11:53:26 v 1 201.91295 +21.37121 247
2021-06-28 11:53:57 V 18 43 25.30 -37 04 43.3 14.4 V 247
2021-06-28 11:53:57 v 1 201.91295 +21.37121 247
2021-06-28 11:54:29 V 18 43 25.24 -37 04 45.6 14.5 V 247
2021-06-28 11:54:29 v 1 201.91295 +21.37121 247
2021-06-28 11:55:01 V 18 43 25.20 -37 04 48.1 14.3 V 247
2021-06-28 11:55:01 v 1 201.91295 +21.37121 247
2021-06-28 11:55:33 V 18 43 25.12 -37 04 50.3 14.7 V 247
2021-06-28 11:55:33 v 1 201.91295 +21.37121 247
2021-06-28 11:56:04 V 18 43 25.07 -37 04 52.1 14.5 V 247
2021-06-28 11:56:04 v 1 201.91295 +21.37121 247
2021-06-28 11:56:36 V 18 43 25.00 -37 04 54.4 14.6 V 247
2021-06-28 11:56:36 v 1 201.91295 +21.37121 247
2021-06-28 11:57:08 V 18 43 24.92 -37 04 56.7 14.5 V 247
2021-06-28 11:57:08 v 1 201.91295 +21.37121 247
2021-06-28 11:57:40 V 18 43 24.87 -37 04 58.7 14.8 V 247
2021-06-28 11:57:40 v 1 201.91295 +21.37121 247
2021-06-28 11:58:12 V 18 43 24.81 -37 05 01.1 14.5 V 247
2021-06-28 11:58:12 v 1 201.91295 +21.37121 247
2021-06-28 11:58:43 V 18 43 24.73 -37 05 03.4 14.8 V 247
2021-06-28 11:58:43 v 1 201.91295 +21.37121 247
2021-06-28 11:59:15 V 18 43 24.68 -37 05 05.2 14.6 V 247
2021-06-28 11:59:15 v 1 201.91295 +21.37121 247
2021-06-28 11:59:47 V 18 43 24.58 -37 05 07.3 15.1 V 247
2021-06-28 11:59:47 v 1 201.91295 +21.37121 247
2021-06-28 12:00:19 V 18 43 24.51 -37 05 10.0 15.2 V 247
2021-06-28 12:00:19 v 1 201.91295 +21.37121 247
2021-06-28 12:00:50 V 18 43 24.47 -37 05 12.1 15.0 V 247
2021-06-28 12:00:50 v 1 201.91295 +21.37121 247
2021-06-28 12:01:22 V 18 43 24.39 -37 05 14.1 15.2 V 247
2021-06-28 12:01:22 v 1 201.91295 +21.37121 247
2021-06-28 12:01:54 V 18 43 24.35 -37 05 16.4 14.8 V 247
2021-06-28 12:01:54 v 1 201.91295 +21.37121 247
2021-06-28 12:02:26 V 18 43 24.29 -37 05 18.5 14.8 V 247
2021-06-28 12:02:26 v 1 201.91295 +21.37121 247
2021-06-28 12:02:57 V 18 43 24.20 -37 05 20.6 14.8 V 247
2021-06-28 12:02:57 v 1 201.91295 +21.37121 247
2021-06-28 12:03:29 V 18 43 24.14 -37 05 23.0 14.5 V 247
2021-06-28 12:03:29 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)