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 12:29:13 v 1 201.91295 +21.37100 247
2021-06-29 12:29:53 V 18 41 03.45 -38 41 41.0 15.0 V 247
2021-06-29 12:29:53 v 1 201.91295 +21.37100 247
2021-06-29 12:30:33 V 18 41 03.38 -38 41 43.3 15.0 V 247
2021-06-29 12:30:33 v 1 201.91295 +21.37100 247
2021-06-29 12:31:12 V 18 41 03.28 -38 41 45.2 14.8 V 247
2021-06-29 12:31:12 v 1 201.91295 +21.37100 247
2021-06-29 12:31:52 V 18 41 03.20 -38 41 48.0 15.3 V 247
2021-06-29 12:31:52 v 1 201.91295 +21.37100 247
2021-06-29 12:33:12 V 18 41 03.06 -38 41 52.7 15.9 V 247
2021-06-29 12:33:12 v 1 201.91295 +21.37100 247
2021-06-29 12:35:11 V 18 41 02.83 -38 42 00.0 15.0 V 247
2021-06-29 12:35:11 v 1 201.91295 +21.37100 247
2021-06-29 12:35:50 V 18 41 02.78 -38 42 02.4 14.7 V 247
2021-06-29 12:35:50 v 1 201.91295 +21.37100 247
2021-06-29 12:36:30 V 18 41 02.69 -38 42 05.1 14.2 V 247
2021-06-29 12:36:30 v 1 201.91295 +21.37100 247
2021-06-29 12:37:10 V 18 41 02.61 -38 42 07.3 13.9 V 247
2021-06-29 12:37:10 v 1 201.91295 +21.37100 247
2021-06-29 12:37:49 V 18 41 02.52 -38 42 09.6 13.7 V 247
2021-06-29 12:37:49 v 1 201.91295 +21.37100 247
2021-06-29 12:38:29 V 18 41 02.48 -38 42 11.8 13.6 V 247
2021-06-29 12:38:29 v 1 201.91295 +21.37100 247
2021-06-29 12:39:09 V 18 41 02.37 -38 42 14.2 13.7 V 247
2021-06-29 12:39:09 v 1 201.91295 +21.37100 247
2021-06-29 12:39:49 V 18 41 02.30 -38 42 16.3 13.7 V 247
2021-06-29 12:39:49 v 1 201.91295 +21.37100 247
2021-06-29 12:40:28 V 18 41 02.19 -38 42 19.0 13.6 V 247
2021-06-29 12:40:28 v 1 201.91295 +21.37100 247
2021-06-29 12:41:08 V 18 41 02.14 -38 42 21.5 13.9 V 247
2021-06-29 12:41:08 v 1 201.91295 +21.37100 247
2021-06-29 12:41:48 V 18 41 02.07 -38 42 23.9 14.1 V 247
2021-06-29 12:41:48 v 1 201.91295 +21.37100 247
2021-06-29 12:42:28 V 18 41 02.00 -38 42 26.8 14.7 V 247
2021-06-29 12:42:28 v 1 201.91295 +21.37100 247
2021-06-29 12:43:07 V 18 41 01.93 -38 42 28.6 14.9 V 247
2021-06-29 12:43:07 v 1 201.91295 +21.37100 247
2021-06-29 12:43:47 V 18 41 01.87 -38 42 31.2 14.8 V 247
2021-06-29 12:43:47 v 1 201.91295 +21.37100 247
2021-06-29 12:44:27 V 18 41 01.78 -38 42 32.9 15.5 V 247
2021-06-29 12:44:27 v 1 201.91295 +21.37100 247
2021-06-29 12:45:06 V 18 41 01.74 -38 42 35.6 16.0 V 247
2021-06-29 12:45:06 v 1 201.91295 +21.37100 247
2021-06-29 17:37:35 V 18 40 41.93 -38 59 35.6 14.9 V 247
2021-06-29 17:37:35 v 1 055.57603 -21.19273 247
2021-06-29 17:38:07 V 18 40 41.75 -38 59 38.5 15.3 V 247
2021-06-29 17:38:07 v 1 055.57603 -21.19273 247
2021-06-29 17:38:38 V 18 40 41.81 -38 59 39.7 14.9 V 247
2021-06-29 17:38:38 v 1 055.57603 -21.19273 247
2021-06-29 17:39:10 V 18 40 41.72 -38 59 41.3 14.8 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)