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
2020-12-06 09:07:56 C 04 22 06.05 +04 27 10.5 V G96
2020-12-06 09:15:24 C 04 22 05.22 +04 27 13.7 V G96
2020-12-06 09:22:51 C 04 22 04.40 +04 27 16.6 V G96
2020-12-06 09:30:17 C 04 22 03.59 +04 27 19.5 V G96
2020-12-10 09:49:19 C 04 11 37.08 +05 10 59.8 V T05
2020-12-10 09:54:35 C 04 11 36.44 +05 11 00.5 V T05
2020-12-10 10:43:57 C 04 11 30.78 +05 11 26.5 V T05
2020-12-10 10:53:11 C 04 11 29.86 +05 11 28.9 V T05
2020-12-11 09:57:09 C 04 08 57.86 +05 23 11.5 V T05
2020-12-11 10:02:28 C 04 08 57.26 +05 23 13.8 V T05
2020-12-11 10:13:00 C 04 08 56.12 +05 23 19.6 V T05
2020-12-11 10:28:15 C 04 08 54.31 +05 23 27.4 V T05
2020-12-13 10:22:58 C 04 03 37.67 +05 49 09.8 V T08
2020-12-13 10:29:40 C 04 03 36.92 +05 49 14.7 V T08
2020-12-13 10:31:00 C 04 03 36.89 +05 49 13.9 V T08
2020-12-13 10:46:21 C 04 03 35.07 +05 49 23.8 V T08
2020-12-15 05:37:25 C 03 58 53.32 +06 13 57.7 U I41
2020-12-15 05:38:45 C 03 58 53.16 +06 13 58.6 U I41
2020-12-15 07:46:51 C 03 58 38.67 +06 15 14.3 U I41
2020-12-15 07:50:14 C 03 58 38.28 +06 15 16.4 U I41
2020-12-17 08:44:46 C 03 53 19.68 +06 45 17.9 V T08
2020-12-17 09:30:29 C 03 53 14.57 +06 45 47.3 V T08
2020-12-17 09:35:56 C 03 53 13.99 +06 45 50.5 V T08
2020-12-17 09:47:13 C 03 53 12.71 +06 45 57.9 V T08
2020-12-20 05:13:01 C 03 46 02.99 +07 30 12.0 V G96
2020-12-20 05:29:16 C 03 46 01.23 +07 30 23.1 V G96
2020-12-20 05:37:23 C 03 46 00.35 +07 30 28.6 V G96
2020-12-22 04:41:24 C 03 41 09.48 +08 03 14.5 V 703
2020-12-22 04:49:05 C 03 41 08.72 +08 03 20.8 V 703
2020-12-22 04:56:45 C 03 41 07.87 +08 03 26.4 V 703
2020-12-22 05:04:25 C 03 41 06.99 +08 03 32.1 V 703
2020-12-22 08:14:36 C 03 40 47.74 +08 05 49.9 V T08
2020-12-22 08:22:37 C 03 40 46.89 +08 05 55.8 V T08
2020-12-22 08:28:55 C 03 40 46.23 +08 06 00.4 V T08
2020-12-22 09:16:27 C 03 40 41.21 +08 06 34.2 V T08
2020-12-24 06:50:11 C 03 36 09.95 +08 39 44.0 V T05
2020-12-24 06:52:50 C 03 36 09.68 +08 39 45.4 V T05
2020-12-24 07:10:13 C 03 36 07.88 +08 39 58.4 V T05
2020-12-24 07:14:12 C 03 36 07.50 +08 40 00.9 V T05
2021-01-10 04:11:07 C 03 04 58.97 +14 15 05.1 V G96
2021-01-10 04:18:33 C 03 04 58.56 +14 15 11.8 V G96
2021-01-10 04:25:59 C 03 04 58.15 +14 15 18.3 V G96
2021-01-10 04:33:26 C 03 04 57.70 +14 15 24.9 V G96
2021-01-11 08:07:23 C 03 03 31.921 +14 40 06.30 U F51
2021-01-11 08:24:09 C 03 03 31.027 +14 40 21.20 U F51
2021-01-11 08:40:57 C 03 03 30.122 +14 40 36.15 U F51
2021-01-11 08:57:48 C 03 03 29.231 +14 40 51.06 U F51
2021-01-13 08:22:11 C 03 01 15.44 +15 23 37.5 V T05
2021-01-13 08:26:50 C 03 01 15.20 +15 23 43.4 V T05
2021-01-13 08:36:44 C 03 01 14.76 +15 23 50.1 V T05
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)