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
2003-12-18 20:46:07 C 05 07 07.54 +14 07 38.1 c 246
2003-12-18 20:47:24 C 05 07 07.39 +14 07 39.5 c 246
2003-12-18 20:49:19 C 05 07 07.12 +14 07 41.5 c 246
2003-12-18 20:50:29 C 05 07 06.97 +14 07 42.7 c 246
2003-12-20 06:25:37 C 05 02 46.20 +14 41 51.2 17.9 c 704
2003-12-20 06:43:29 C 05 02 43.77 +14 42 09.2 17.9 c 704
2003-12-20 07:01:29 C 05 02 41.30 +14 42 27.7 18.2 c 704
2003-12-20 07:19:26 C 05 02 38.87 +14 42 46.2 18.1 c 704
2003-12-20 07:38:03 C 05 02 36.34 +14 43 05.7 18.5 c 704
2003-12-22 04:50:20 C 04 56 35.43 +15 31 00.7 17.9 c 704
2003-12-22 05:08:20 C 04 56 32.87 +15 31 19.9 17.9 c 704
2003-12-22 05:27:06 C 04 56 30.19 +15 31 39.9 17.9 c 704
2003-12-22 05:45:33 C 04 56 27.61 +15 32 00.4 18.1 c 704
2003-12-22 06:04:41 C 04 56 24.88 +15 32 20.6 18.0 c 704
2003-12-22 21:20:38 C 04 54 20.16 +15 48 57.6 c 587
2003-12-22 21:23:15 C 04 54 19.84 +15 48 59.5 c 587
2003-12-22 21:25:50 C 04 54 19.49 +15 49 03.7 c 587
2003-12-23 18:52:43 C 04 51 22.67 +16 12 50.8 185
2003-12-23 18:57:35 C 04 51 21.95 +16 12 56.2 185
2003-12-23 19:00:58 C 04 51 21.48 +16 13 00.3 185
2003-12-23 19:04:23 C 04 51 20.97 +16 13 04.2 185
2003-12-23 19:07:48 C 04 51 20.50 +16 13 07.6 185
2003-12-23 19:11:08 C 04 51 20.04 +16 13 12.0 185
2003-12-23 19:14:25 C 04 51 19.53 +16 13 15.4 185
2003-12-23 21:52:55 C 04 50 56.82 +16 16 14.2 c 046
2003-12-23 21:55:11 C 04 50 56.48 +16 16 16.7 c 046
2003-12-23 21:56:19 C 04 50 56.29 +16 16 18.4 c 046
2003-12-23 21:57:29 C 04 50 56.12 +16 16 19.5 c 046
2003-12-23 21:58:38 C 04 50 56.00 +16 16 21.0 c 046
2003-12-23 21:59:44 C 04 50 55.81 +16 16 22.5 c 046
2003-12-24 05:12:59 C 04 49 55.74 +16 24 35.8 18.4 c 704
2003-12-24 05:32:38 C 04 49 52.89 +16 24 58.6 18.2 c 704
2003-12-24 05:55:00 C 04 49 49.68 +16 25 23.9 18.1 c 704
2003-12-24 06:14:06 C 04 49 46.87 +16 25 45.4 18.0 c 704
2003-12-24 21:03:43 C 04 47 42.56 +16 42 33.2 c 246
2003-12-24 21:04:58 C 04 47 42.38 +16 42 34.7 c 246
2003-12-24 21:06:14 C 04 47 42.18 +16 42 36.3 c 246
2003-12-24 21:07:29 C 04 47 42.00 +16 42 37.8 c 246
2003-12-24 21:08:39 C 04 47 41.83 +16 42 39.0 c 246
2003-12-24 21:09:36 C 04 47 41.69 +16 42 40.1 c 246
2003-12-25 21:21:48 C 04 44 16.65 +17 10 42.4 r 941
2003-12-25 21:22:57 C 04 44 16.49 +17 10 43.7 r 941
2003-12-25 21:24:05 C 04 44 16.32 +17 10 45.0 r 941
2003-12-25 21:27:29 C 04 44 15.82 +17 10 48.9 r 941
2003-12-25 21:29:02 C 04 44 15.60 +17 10 50.8 r 941
2003-12-26 21:23:54 C 04 40 50.50 +17 38 57.0 r A41
2003-12-26 21:47:55 C 04 40 47.00 +17 39 25.7 r A41
2003-12-26 22:12:29 C 04 40 43.29 +17 39 54.0 r A41
2003-12-29 06:38:00 C 04 32 34.39 +18 48 02.1 c 691
2003-12-29 07:26:28 C 04 32 27.09 +18 49 00.9 c 691
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)