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
2003-12-29 08:31:50 C 04 32 17.27 +18 50 20.0 c 691
2004-01-08 21:02:13 C 03 56 04.45 +24 10 36.2 r J95
2004-01-08 21:15:09 C 03 56 02.60 +24 10 52.9 r J95
2004-01-08 21:27:59 C 03 56 00.80 +24 11 08.7 r J95
2004-01-09 05:22:13 C 03 54 55.38 +24 21 25.9 c 926
2004-01-09 05:24:38 C 03 54 54.98 +24 21 29.1 c 926
2004-01-09 05:27:06 C 03 54 54.61 +24 21 32.7 c 926
2004-01-09 07:01:08 C 03 54 41.17 +24 23 30.7 r 448
2004-01-09 07:07:46 C 03 54 40.22 +24 23 39.7 r 448
2004-01-09 07:14:07 C 03 54 39.28 +24 23 46.7 r 448
2004-01-10 20:33:30 C 03 49 36.99 +25 11 38.2 c 587
2004-01-10 20:37:07 C 03 49 36.58 +25 11 43.3 c 587
2004-01-10 20:40:43 C 03 49 36.03 +25 11 47.6 c 587
2004-01-17 02:17:14 C 03 30 41.78 +28 21 42.4 17.8 c 644
2004-01-17 02:47:06 C 03 30 38.05 +28 22 20.2 17.7 c 644
2004-01-17 03:17:59 C 03 30 34.19 +28 22 59.1 17.7 c 644
2004-01-20 03:50:58 C 03 22 17.43 +29 53 20.6 18.1 c 704
2004-01-20 04:13:07 C 03 22 14.80 +29 53 47.7 18.5 c 704
2004-01-20 04:40:20 C 03 22 11.71 +29 54 20.6 18.4 c 704
2004-02-27 02:10:54 C 02 15 09.54 +48 09 57.5 r 448
2004-02-27 02:29:14 C 02 15 08.12 +48 10 19.5 r 448
2004-02-27 02:49:44 C 02 15 06.53 +48 10 43.2 r 448
2004-05-04 10:49:45 C 22 27 54.54 +28 18 32.4 c 926
2004-05-04 10:51:55 C 22 27 54.69 +28 18 26.4 c 926
2004-06-02 10:21:13 C 22 41 05.41 -02 50 14.6 c 926
2004-06-02 10:25:47 C 22 41 05.42 -02 50 26.7 c 926
2004-06-20 06:55:48 C 22 43 13.03 -20 51 24.9 r 859
2004-06-20 06:58:16 C 22 43 13.05 -20 51 31.6 r 859
2004-06-20 07:00:45 C 22 43 12.95 -20 51 37.7 r 859
2004-06-25 06:56:06 C 22 40 13.11 -25 43 50.4 r 859
2004-06-25 06:58:38 C 22 40 12.98 -25 43 57.5 r 859
2004-06-25 07:01:07 C 22 40 12.93 -25 44 03.2 r 859
2004-06-25 07:03:38 C 22 40 12.81 -25 44 08.8 r 859
2004-06-26 06:34:31 C 22 39 23.82 -26 40 12.4 r 859
2004-06-26 06:37:01 C 22 39 23.85 -26 40 19.1 r 859
2004-06-26 06:39:33 C 22 39 23.64 -26 40 25.4 r 859
2004-06-27 06:48:55 C 22 38 28.08 -27 37 29.2 r 859
2004-06-27 06:51:29 C 22 38 27.90 -27 37 36.0 r 859
2004-06-27 06:54:04 C 22 38 27.76 -27 37 41.5 r 859
2004-06-28 16:07:02 C 22 37 04.04 -28 55 06.0 r E12
2004-06-28 16:24:04 C 22 37 03.13 -28 55 46.2 r E12
2004-06-28 16:40:58 C 22 37 02.25 -28 56 25.2 r E12
2004-06-28 16:58:17 C 22 37 01.38 -28 57 06.4 r E12
2004-07-13 18:06:09 C 22 10 59.93 -41 09 58.2 r E12
2004-07-13 18:27:40 C 22 10 57.69 -41 10 33.7 r E12
2004-07-13 18:49:07 C 22 10 55.45 -41 11 08.9 r E12
2004-07-13 19:10:37 C 22 10 53.24 -41 11 43.1 r E12
2004-07-16 16:47:15 C 22 03 48.05 -43 01 40.1 r E12
2004-07-16 17:02:49 C 22 03 46.30 -43 02 03.2 r E12
2004-07-16 17:17:52 C 22 03 44.59 -43 02 25.3 r E12
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)