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
2021-06-17 22:28:19 v 1 033.33054 +35.08946 247
2021-06-17 22:28:29 V 19 23 12.48 +04 03 29.5 13.9 V 247
2021-06-17 22:28:29 v 1 016.33600 +48.20413 247
2021-06-17 22:28:51 V 19 23 10.79 +04 03 52.1 13.6 V 247
2021-06-17 22:28:51 v 1 033.33054 +35.08946 247
2021-06-17 22:29:22 V 19 23 10.63 +04 03 41.5 13.4 V 247
2021-06-17 22:29:22 v 1 033.33054 +35.08946 247
2021-06-17 22:29:54 V 19 23 10.49 +04 03 33.5 13.4 V 247
2021-06-17 22:29:54 v 1 033.33054 +35.08946 247
2021-06-17 22:30:04 V 19 23 12.00 +04 02 58.5 14.1 V 247
2021-06-17 22:30:04 v 1 016.33600 +48.20413 247
2021-06-17 22:30:26 V 19 23 10.35 +04 03 23.5 13.5 V 247
2021-06-17 22:30:26 v 1 033.33054 +35.08946 247
2021-06-17 22:30:36 V 19 23 11.80 +04 02 48.9 13.7 V 247
2021-06-17 22:30:36 v 1 016.33600 +48.20413 247
2021-06-17 22:30:58 V 19 23 10.20 +04 03 13.3 13.8 V 247
2021-06-17 22:30:58 v 1 033.33054 +35.08946 247
2021-06-17 22:31:08 V 19 23 11.74 +04 02 39.7 13.7 V 247
2021-06-17 22:31:08 v 1 016.33600 +48.20413 247
2021-06-17 22:31:40 V 19 23 11.59 +04 02 32.1 13.6 V 247
2021-06-17 22:31:40 v 1 016.33600 +48.20413 247
2021-06-17 22:33:15 V 19 23 11.18 +04 02 03.2 13.6 V 247
2021-06-17 22:33:15 v 1 016.33600 +48.20413 247
2021-06-17 22:33:47 V 19 23 10.96 +04 01 51.3 13.9 V 247
2021-06-17 22:33:47 v 1 016.33600 +48.20413 247
2021-06-17 22:35:54 V 19 23 10.47 +04 01 16.0 13.7 V 247
2021-06-17 22:35:54 v 1 016.33600 +48.20413 247
2021-06-17 22:36:26 V 19 23 10.28 +04 01 05.0 14.9 V 247
2021-06-17 22:36:26 v 1 016.33600 +48.20413 247
2021-06-17 22:38:01 V 19 23 09.81 +04 00 36.2 13.6 V 247
2021-06-17 22:38:01 v 1 016.33600 +48.20413 247
2021-06-17 22:38:33 V 19 23 09.69 +04 00 27.2 13.2 V 247
2021-06-17 22:38:33 v 1 016.33600 +48.20413 247
2021-06-17 22:39:04 V 19 23 09.53 +04 00 15.8 14.6 V 247
2021-06-17 22:39:04 v 1 016.33600 +48.20413 247
2021-06-17 22:40:40 V 19 23 09.16 +03 59 48.8 13.6 V 247
2021-06-17 22:40:40 v 1 016.33600 +48.20413 247
2021-06-17 22:41:43 V 19 23 08.92 +03 59 30.2 13.6 V 247
2021-06-17 22:41:43 v 1 016.33600 +48.20413 247
2021-06-17 22:42:15 V 19 23 08.74 +03 59 20.3 13.6 V 247
2021-06-17 22:42:15 v 1 016.33600 +48.20413 247
2021-06-17 22:42:47 V 19 23 08.57 +03 59 12.3 13.7 V 247
2021-06-17 22:42:47 v 1 016.33600 +48.20413 247
2021-06-17 22:43:19 V 19 23 08.41 +03 59 01.0 13.7 V 247
2021-06-17 22:43:19 v 1 016.33600 +48.20413 247
2021-06-17 22:43:50 V 19 23 08.30 +03 58 51.4 13.6 V 247
2021-06-17 22:43:50 v 1 016.33600 +48.20413 247
2021-06-17 22:44:22 V 19 23 08.19 +03 58 42.0 13.5 V 247
2021-06-17 22:44:22 v 1 016.33600 +48.20413 247
2021-06-17 22:45:57 V 19 23 07.64 +03 58 12.2 13.6 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)