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 12:37:32 V 18 43 19.96 -37 07 43.7 14.7 V 247
2021-06-28 12:37:32 v 1 201.91295 +21.37121 247
2021-06-28 12:38:04 V 18 43 19.89 -37 07 45.6 14.8 V 247
2021-06-28 12:38:04 v 1 201.91295 +21.37121 247
2021-06-28 12:38:35 V 18 43 19.85 -37 07 48.0 14.8 V 247
2021-06-28 12:38:35 v 1 201.91295 +21.37121 247
2021-06-28 12:39:07 V 18 43 19.79 -37 07 50.3 14.8 V 247
2021-06-28 12:39:07 v 1 201.91295 +21.37121 247
2021-06-28 12:39:39 V 18 43 19.68 -37 07 52.2 14.9 V 247
2021-06-28 12:39:39 v 1 201.91295 +21.37121 247
2021-06-28 12:40:11 V 18 43 19.63 -37 07 54.2 14.6 V 247
2021-06-28 12:40:11 v 1 201.91295 +21.37121 247
2021-06-28 12:40:43 V 18 43 19.58 -37 07 56.5 14.7 V 247
2021-06-28 12:40:43 v 1 201.91295 +21.37121 247
2021-06-28 12:41:14 V 18 43 19.50 -37 07 58.2 14.6 V 247
2021-06-28 12:41:14 v 1 201.91295 +21.37121 247
2021-06-28 12:41:46 V 18 43 19.45 -37 08 00.6 14.9 V 247
2021-06-28 12:41:46 v 1 201.91295 +21.37121 247
2021-06-28 12:42:18 V 18 43 19.36 -37 08 02.8 14.7 V 247
2021-06-28 12:42:18 v 1 201.91295 +21.37121 247
2021-06-28 12:42:50 V 18 43 19.31 -37 08 04.8 14.7 V 247
2021-06-28 12:42:50 v 1 201.91295 +21.37121 247
2021-06-28 12:43:21 V 18 43 19.24 -37 08 07.1 14.8 V 247
2021-06-28 12:43:21 v 1 201.91295 +21.37121 247
2021-06-28 12:43:53 V 18 43 19.18 -37 08 09.6 14.7 V 247
2021-06-28 12:43:53 v 1 201.91295 +21.37121 247
2021-06-28 12:44:25 V 18 43 19.15 -37 08 11.3 14.9 V 247
2021-06-28 12:44:25 v 1 201.91295 +21.37121 247
2021-06-28 12:44:57 V 18 43 19.05 -37 08 14.0 15.1 V 247
2021-06-28 12:44:57 v 1 201.91295 +21.37121 247
2021-06-28 12:45:28 V 18 43 19.01 -37 08 16.0 15.0 V 247
2021-06-28 12:45:28 v 1 201.91295 +21.37121 247
2021-06-28 12:49:43 V 18 43 18.48 -37 08 33.3 14.7 V 247
2021-06-28 12:49:43 v 1 201.91295 +21.37121 247
2021-06-28 12:50:14 V 18 43 18.42 -37 08 35.6 13.4 V 247
2021-06-28 12:50:14 v 1 201.91295 +21.37121 247
2021-06-28 12:55:32 V 18 43 17.79 -37 08 57.4 12.8 V 247
2021-06-28 12:55:32 v 1 201.91295 +21.37121 247
2021-06-28 12:56:04 V 18 43 17.69 -37 08 59.6 13.6 V 247
2021-06-28 12:56:04 v 1 201.91295 +21.37121 247
2021-06-28 12:56:36 V 18 43 17.66 -37 09 01.1 14.0 V 247
2021-06-28 12:56:36 v 1 201.91295 +21.37121 247
2021-06-28 12:57:07 V 18 43 17.60 -37 09 03.8 15.7 V 247
2021-06-28 12:57:07 v 1 201.91295 +21.37121 247
2021-06-28 13:01:22 V 18 43 17.08 -37 09 21.3 14.9 V 247
2021-06-28 13:01:22 v 1 201.91295 +21.37121 247
2021-06-28 16:24:18 V 18 43 05.63 -37 22 24.7 14.7 V 247
2021-06-28 16:24:18 v 1 055.57625 -21.19295 247
2021-06-28 16:24:22 V 18 43 05.62 -37 22 24.8 14.7 V 247
2021-06-28 16:24:22 v 1 055.57625 -21.19295 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)