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
2003-11-30 07:46:05 C 05 50 03.67 +08 51 11.6 19.3 c 704
2003-11-30 08:04:57 C 05 50 02.40 +08 51 19.0 19.9 c 704
2003-11-30 08:23:46 C 05 50 01.09 +08 51 27.4 20.2 c 704
2003-11-30 09:01:17 C 05 49 58.66 +08 51 43.4 19.9 c 704
2003-12-01 06:48:25 C 05 48 33.20 +09 01 33.2 c 854
2003-12-01 06:57:55 C 05 48 32.47 +09 01 37.6 c 854
2003-12-01 07:42:26 C 05 48 29.08 +09 01 56.3 r 649
2003-12-01 07:47:34 C 05 48 28.74 +09 01 59.5 r 649
2003-12-01 07:52:40 C 05 48 28.36 +09 02 01.2 r 649
2003-12-01 10:20:40 C 05 48 17.95 +09 03 12.3 c 711
2003-12-01 10:31:43 C 05 48 17.15 +09 03 18.3 c 711
2003-12-01 10:43:01 C 05 48 16.35 +09 03 22.8 c 711
2003-12-02 09:41:49 C 05 46 40.70 +09 14 25.0 c 926
2003-12-02 09:44:34 C 05 46 40.45 +09 14 26.3 c 926
2003-12-04 22:56:47 C 05 42 03.45 +09 46 52.9 c 950
2003-12-04 22:58:18 C 05 42 03.28 +09 46 54.4 c 950
2003-12-04 22:59:51 C 05 42 03.17 +09 46 55.4 c 950
2003-12-05 07:43:21 C 05 41 20.13 +09 51 54.7 r 448
2003-12-05 07:54:05 C 05 41 19.22 +09 52 00.9 r 448
2003-12-05 08:04:19 C 05 41 18.31 +09 52 06.8 r 448
2003-12-06 00:15:27 C 05 39 58.02 +10 01 36.8 r 176
2003-12-06 00:18:50 C 05 39 57.73 +10 01 38.6 r 176
2003-12-06 00:22:14 C 05 39 57.44 +10 01 40.4 r 176
2003-12-06 00:25:38 C 05 39 57.15 +10 01 42.2 r 176
2003-12-06 00:29:03 C 05 39 56.86 +10 01 44.0 r 176
2003-12-13 00:12:11 C 05 23 45.19 +12 00 15.7 r 176
2003-12-13 00:14:31 C 05 23 44.93 +12 00 17.5 r 176
2003-12-13 00:16:51 C 05 23 44.67 +12 00 19.3 r 176
2003-12-13 00:19:12 C 05 23 44.41 +12 00 21.2 r 176
2003-12-13 00:21:33 C 05 23 44.15 +12 00 23.0 r 176
2003-12-13 00:23:54 C 05 23 43.89 +12 00 24.8 r 176
2003-12-13 00:26:15 C 05 23 43.63 +12 00 26.6 r 176
2003-12-13 01:26:41 C 05 23 36.83 +12 01 16.1 r 941
2003-12-13 01:27:48 C 05 23 36.70 +12 01 16.9 r 941
2003-12-13 01:28:56 C 05 23 36.57 +12 01 17.9 r 941
2003-12-13 01:30:05 C 05 23 36.44 +12 01 18.8 r 941
2003-12-13 01:31:12 C 05 23 36.31 +12 01 19.8 r 941
2003-12-14 00:07:03 C 05 21 06.63 +12 20 08.0 r 170
2003-12-14 00:09:19 C 05 21 06.38 +12 20 10.1 r 170
2003-12-14 00:11:34 C 05 21 06.09 +12 20 11.9 r 170
2003-12-15 07:07:01 C 05 17 34.19 +12 47 05.1 17.9 c 644
2003-12-15 08:39:59 C 05 17 22.87 +12 48 27.4 18.0 c 644
2003-12-15 10:11:02 C 05 17 11.87 +12 49 48.0 17.9 c 644
2003-12-15 15:38:47 C 05 16 33.616 +12 55 02.34 r 413
2003-12-15 15:41:26 C 05 16 33.292 +12 55 04.75 r 413
2003-12-15 15:44:04 C 05 16 32.986 +12 55 07.09 r 413
2003-12-16 14:48:45 C 05 13 48.237 +13 16 12.18 r 413
2003-12-16 14:51:13 C 05 13 47.917 +13 16 14.69 r 413
2003-12-18 20:41:39 C 05 07 08.14 +14 07 33.7 c 246
2003-12-18 20:44:32 C 05 07 07.75 +14 07 35.9 c 246
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)