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
2015-12-14 10:43:22 C 09 10 58.81 +20 04 53.1 R G45
2015-12-14 10:50:59 C 09 10 59.92 +20 05 02.3 R G45
2015-12-14 10:58:04 C 09 11 00.91 +20 05 10.7 R G45
2015-12-14 11:00:38 C 09 11 01.27 +20 05 13.8 R G45
2015-12-14 11:09:28 C 09 11 02.49 +20 05 24.3 R G45
2015-12-14 11:16:24 C 09 11 03.45 +20 05 32.7 R G45
2015-12-14 11:24:27 C 09 11 04.58 +20 05 42.0 R G45
2015-12-15 11:15:42 C 09 14 37.41 +20 34 52.9 R G45
2015-12-15 11:42:19 C 09 14 41.30 +20 35 26.2 R G45
2015-12-15 12:01:04 C 09 14 44.03 +20 35 49.6 R G45
2015-12-15 12:10:17 C 09 14 45.39 +20 36 01.3 R G45
2015-12-17 09:41:42 C 09 21 54.31 +21 35 57.9 u H21
2015-12-17 09:43:47 C 09 21 54.64 +21 36 00.6 u H21
2015-12-17 09:45:51 C 09 21 54.97 +21 36 03.4 u H21
2015-12-17 09:47:55 C 09 21 55.28 +21 36 06.3 u H21
2015-12-17 09:50:00 C 09 21 55.62 +21 36 09.1 u H21
2015-12-17 09:52:04 C 09 21 55.92 +21 36 12.2 u H21
2015-12-17 09:54:08 C 09 21 56.26 +21 36 14.8 u H21
2015-12-17 09:56:12 C 09 21 56.59 +21 36 17.8 u H21
2015-12-17 09:58:16 C 09 21 56.91 +21 36 20.8 u H21
2015-12-17 10:00:27 C 09 21 57.24 +21 36 23.4 u H21
2015-12-18 03:04:10 C 09 24 46.24 +22 00 19.6 t 130
2015-12-18 03:07:31 C 09 24 46.76 +22 00 24.2 t 130
2015-12-18 03:09:39 C 09 24 47.12 +22 00 27.5 t 130
2015-12-18 03:11:48 C 09 24 47.45 +22 00 30.6 t 130
2015-12-18 11:09:41 C 09 26 07.98 +22 12 04.5 q 703
2015-12-18 11:17:38 C 09 26 09.27 +22 12 16.4 q 703
2015-12-18 11:25:35 C 09 26 10.53 +22 12 27.6 q 703
2015-12-18 11:33:32 C 09 26 11.87 +22 12 41.0 q 703
2016-01-03 10:16:44 C 11 04 23.19 +35 10 30.8 q 448
2016-01-03 10:27:05 C 11 04 26.98 +35 10 56.7 q 448
2016-01-03 10:37:20 C 11 04 30.92 +35 11 22.0 q 448
2016-01-05 11:25:08 C 11 24 26.49 +37 11 56.0 q H45
2016-01-05 11:27:28 C 11 24 27.42 +37 12 01.0 q H45
2016-01-05 11:29:48 C 11 24 28.49 +37 12 07.2 q H45
2016-01-05 11:31:54 C 11 24 29.34 +37 12 12.1 q H45
2016-01-05 11:32:57 C 11 24 29.80 +37 12 14.5 q H45
2016-01-05 11:34:07 C 11 24 30.25 +37 12 17.6 q H45
2016-01-08 05:07:17 C 11 55 04.94 +39 47 08.1 t 204
2016-01-08 05:10:35 C 11 55 06.56 +39 47 15.0 t 204
2016-01-08 05:13:54 C 11 55 08.17 +39 47 22.6 t 204
2016-01-08 05:17:13 C 11 55 09.80 +39 47 30.0 t 204
2016-01-08 05:20:32 C 11 55 11.43 +39 47 37.1 t 204
2016-01-17 05:06:38 C 14 01 54.14 +44 35 32.7 S 619
2016-01-17 05:13:31 C 14 01 58.42 +44 35 33.6 S 619
2016-01-17 05:20:21 C 14 02 02.64 +44 35 34.5 S 619
2016-01-24 02:00:25 S 15 38 18.77 +42 22 41.7 L C51
2016-01-24 05:09:17 S 15 39 55.94 +42 17 43.9 L C51
2016-01-24 06:43:43 S 15 40 44.28 +42 15 13.8 L C51
2016-01-24 08:17:58 S 15 41 32.36 +42 12 42.0 L C51
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)