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
2021-06-21 17:28:33 v 1 140.16761 +36.07639 247
2021-06-21 17:29:13 V 19 04 34.19 -18 01 27.4 12.8 V 247
2021-06-21 17:29:13 v 1 140.16761 +36.07639 247
2021-06-21 17:29:53 V 19 04 34.06 -18 01 34.0 13.1 V 247
2021-06-21 17:29:53 v 1 140.16761 +36.07639 247
2021-06-21 17:30:33 V 19 04 33.95 -18 01 41.5 12.9 V 247
2021-06-21 17:30:33 v 1 140.16761 +36.07639 247
2021-06-21 17:31:12 V 19 04 33.81 -18 01 49.3 13.3 V 247
2021-06-21 17:31:12 v 1 140.16761 +36.07639 247
2021-06-21 17:33:03 V 19 04 33.45 -18 02 09.2 13.3 V 247
2021-06-21 17:33:03 v 1 140.16761 +36.07639 247
2021-06-21 17:35:56 V 19 04 32.86 -18 02 42.4 13.2 V 247
2021-06-21 17:35:56 v 1 140.16761 +36.07639 247
2021-06-21 17:36:38 V 19 04 32.75 -18 02 49.9 13.4 V 247
2021-06-21 17:36:38 v 1 140.16761 +36.07639 247
2021-06-21 17:37:18 V 19 04 32.63 -18 02 57.5 13.2 V 247
2021-06-21 17:37:18 v 1 140.16761 +36.07639 247
2021-06-21 17:37:57 V 19 04 32.54 -18 03 02.7 13.3 V 247
2021-06-21 17:37:57 v 1 140.16761 +36.07639 247
2021-06-21 17:38:37 V 19 04 32.34 -18 03 11.8 13.1 V 247
2021-06-21 17:38:37 v 1 140.16761 +36.07639 247
2021-06-21 22:31:02 C 19 03 48.03 -18 56 41.7 V L54
2021-06-21 22:53:40 C 19 03 43.68 -19 00 46.0 V L54
2021-06-21 23:16:22 C 19 03 39.31 -19 04 49.9 V L54
2021-06-21 23:33:09 C 19 03 36.10 -19 07 49.4 V L54
2021-06-21 23:40:02 C 19 03 34.76 -19 09 02.9 V L54
2021-06-21 23:46:55 C 19 03 33.43 -19 10 16.8 V L54
2021-06-22 09:02:11 C 19 02 07.72 -20 45 43.4 V T08
2021-06-22 09:04:50 C 19 02 07.22 -20 46 10.5 V T08
2021-06-22 09:09:29 C 19 02 06.33 -20 46 57.9 V T08
2021-06-22 09:23:17 C 19 02 03.70 -20 49 18.0 V T08
2021-06-22 22:52:31 C 18 59 55.05 -23 00 03.2 V G17
2021-06-22 22:55:13 C 18 59 54.59 -23 00 28.3 V G17
2021-06-22 22:58:02 C 18 59 54.07 -23 00 54.5 V G17
2021-06-27 09:09:46 V 18 46 18.71 -35 01 49.6 14.7 V 247
2021-06-27 09:09:46 v 1 151.94299 -27.45586 247
2021-06-27 09:10:26 V 18 46 18.65 -35 01 53.2 14.7 V 247
2021-06-27 09:10:26 v 1 151.94299 -27.45586 247
2021-06-27 09:11:05 V 18 46 18.54 -35 01 56.7 14.3 V 247
2021-06-27 09:11:05 v 1 151.94299 -27.45586 247
2021-06-27 09:11:45 V 18 46 18.50 -35 01 59.6 14.5 V 247
2021-06-27 09:11:45 v 1 151.94299 -27.45586 247
2021-06-27 09:12:25 V 18 46 18.43 -35 02 03.3 14.2 V 247
2021-06-27 09:12:25 v 1 151.94299 -27.45586 247
2021-06-27 09:13:05 V 18 46 18.35 -35 02 06.3 14.4 V 247
2021-06-27 09:13:05 v 1 151.94299 -27.45586 247
2021-06-27 09:13:44 V 18 46 18.25 -35 02 09.3 14.2 V 247
2021-06-27 09:13:44 v 1 151.94299 -27.45586 247
2021-06-27 09:14:24 V 18 46 18.21 -35 02 13.1 14.5 V 247
2021-06-27 09:14:24 v 1 151.94299 -27.45586 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)