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
2021-01-13 08:59:12 C 03 01 13.69 +15 24 11.0 V T05
2021-01-14 04:33:57 C 03 00 23.61 +15 41 56.3 V G96
2021-01-14 04:42:12 C 03 00 23.23 +15 42 03.7 V G96
2021-01-14 04:50:29 C 03 00 22.87 +15 42 11.1 V G96
2021-01-14 04:58:42 C 03 00 22.48 +15 42 18.6 V G96
2021-01-14 05:00:28 C 03 00 22.32 +15 42 19.4 V 703
2021-01-14 05:08:04 C 03 00 22.06 +15 42 27.0 V 703
2021-01-14 05:23:16 C 03 00 21.45 +15 42 41.3 V 703
2021-01-14 14:49:50 S 02 59 58.610 +15 51 22.07 L C51
2021-01-14 16:24:05 S 02 59 54.794 +15 52 47.86 L C51
2021-01-14 21:06:28 S 02 59 43.505 +15 57 04.07 L C51
2021-01-15 11:46:31 C 02 59 09.26 +16 10 27.5 q D29
2021-01-15 12:06:53 C 02 59 08.45 +16 10 46.6 q D29
2021-01-15 12:27:15 C 02 59 07.58 +16 11 05.1 q D29
2021-01-17 06:27:11 C 02 57 38.50 +16 49 49.3 V T05
2021-01-17 06:34:37 C 02 57 38.25 +16 49 55.8 V T05
2021-01-17 06:39:14 C 02 57 38.07 +16 49 59.7 V T05
2021-01-17 06:54:22 C 02 57 37.50 +16 50 13.4 V T05
2021-01-18 04:27:03 C 02 56 56.74 +17 10 08.9 V 703
2021-01-18 04:34:39 C 02 56 56.47 +17 10 14.8 V 703
2021-01-18 04:49:50 C 02 56 55.90 +17 10 30.1 V 703
2021-01-31 05:34:50 C 02 52 48.535 +22 08 21.44 U F52
2021-01-31 05:50:43 C 02 52 48.508 +22 08 36.91 U F52
2021-01-31 06:06:35 C 02 52 48.497 +22 08 52.22 U F52
2021-01-31 06:22:26 C 02 52 48.481 +22 09 07.68 U F52
2021-02-06 05:41:43 C 02 54 07.848 +24 30 17.05 U F52
2021-02-06 05:59:22 C 02 54 08.060 +24 30 34.62 U F52
2021-02-06 06:17:02 C 02 54 08.290 +24 30 51.88 U F52
2021-02-06 06:34:49 C 02 54 08.488 +24 31 09.41 U F52
2021-03-05 00:47:10 C 03 18 58.01 +35 44 15.7 V W33
2021-03-05 01:28:31 C 03 19 00.39 +35 45 00.9 V W33
2021-05-27 20:06:11 C 02 46 31.18 +77 41 28.0 V B18
2021-05-27 20:17:29 C 02 46 22.87 +77 41 41.3 V B18
2021-05-27 20:40:05 C 02 46 05.73 +77 42 09.4 V B18
2021-06-01 13:51:39 C 00 36 17.41 +78 35 05.5 V T08
2021-06-01 13:56:20 C 00 36 10.46 +78 35 03.8 V T08
2021-06-01 14:25:17 C 00 35 26.98 +78 34 49.9 V T08
2021-06-01 14:32:45 C 00 35 15.71 +78 34 46.5 V T08
2021-06-05 14:01:36 C 22 19 21.05 +74 23 49.2 V T08
2021-06-05 14:06:56 C 22 19 14.01 +74 23 24.4 V T08
2021-06-05 14:21:33 C 22 18 54.51 +74 22 15.9 V T08
2021-06-05 14:30:52 C 22 18 42.12 +74 21 31.8 V T08
2021-06-06 01:03:30 C 22 06 05.08 +73 26 21.2 V 204
2021-06-06 01:07:09 C 22 06 00.61 +73 26 02.1 V 204
2021-06-06 01:09:08 C 22 05 58.27 +73 25 51.5 V 204
2021-06-06 01:11:09 C 22 05 55.78 +73 25 41.3 V 204
2021-06-06 01:13:09 C 22 05 53.28 +73 25 30.8 V 204
2021-06-06 21:47:34 C 21 43 05.04 +71 20 36.3 V Z80
2021-06-06 21:51:44 C 21 43 00.79 +71 20 09.4 V Z80
2021-06-06 21:59:20 C 21 42 52.91 +71 19 20.7 V Z80
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)