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
2026-01-10 13:39:23 C 02 06 49.798 +02 00 24.41 W O18
2026-01-10 14:45:12 C 02 06 50.332 +02 01 12.94 W O18
2026-01-12 13:28:32 C 02 07 22.820 +02 35 49.79 W O18
2026-01-12 13:56:26 C 02 07 23.144 +02 36 10.54 W O18
2026-01-14 13:24:29 C 02 08 05.896 +03 11 39.29 W O18
2026-01-14 13:52:23 C 02 08 06.311 +03 12 00.59 W O18
2026-01-15 13:24:27 C 02 08 31.135 +03 29 42.85 W O18
2026-01-15 13:52:30 C 02 08 31.606 +03 30 03.85 W O18
2026-01-16 06:13:26 C 02 08 50.222 +03 42 26.63 X F52
2026-01-16 06:32:14 C 02 08 50.557 +03 42 41.00 X F52
2026-01-16 07:09:49 C 02 08 51.220 +03 43 09.21 X F52
2026-01-19 12:56:52 C 02 10 35.328 +04 42 16.64 W O18
2026-01-19 12:58:23 C 02 10 35.373 +04 42 17.48 W O18
2026-01-21 13:29:45 C 02 11 52.387 +05 19 31.28 W O18
2026-01-21 14:06:11 C 02 11 53.353 +05 19 59.09 W O18
2026-01-22 13:15:17 C 02 12 33.500 +05 37 50.06 W O18
2026-01-22 13:42:45 C 02 12 34.269 +05 38 10.92 W O18
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)