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
2021-06-28 17:32:25 V 18 42 57.94 -37 27 14.4 14.7 V 247
2021-06-28 17:32:25 v 1 055.57625 -21.19295 247
2021-06-28 17:32:29 V 18 42 57.92 -37 27 14.6 14.6 V 247
2021-06-28 17:32:29 v 1 055.57625 -21.19295 247
2021-06-28 17:32:33 V 18 42 57.93 -37 27 15.0 14.6 V 247
2021-06-28 17:32:33 v 1 055.57625 -21.19295 247
2021-06-28 17:32:37 V 18 42 57.91 -37 27 15.2 14.6 V 247
2021-06-28 17:32:37 v 1 055.57625 -21.19295 247
2021-06-28 17:32:40 V 18 42 57.91 -37 27 15.4 14.6 V 247
2021-06-28 17:32:40 v 1 055.57625 -21.19295 247
2021-06-28 17:32:44 V 18 42 57.89 -37 27 15.6 14.5 V 247
2021-06-28 17:32:44 v 1 055.57625 -21.19295 247
2021-06-28 17:32:48 V 18 42 57.89 -37 27 15.8 14.6 V 247
2021-06-28 17:32:48 v 1 055.57625 -21.19295 247
2021-06-28 17:32:52 V 18 42 57.89 -37 27 16.0 14.5 V 247
2021-06-28 17:32:52 v 1 055.57625 -21.19295 247
2021-06-28 17:32:56 V 18 42 57.90 -37 27 16.5 14.6 V 247
2021-06-28 17:32:56 v 1 055.57625 -21.19295 247
2021-06-28 17:33:00 V 18 42 57.88 -37 27 16.7 14.5 V 247
2021-06-28 17:33:00 v 1 055.57625 -21.19295 247
2021-06-28 17:33:04 V 18 42 57.87 -37 27 17.1 14.6 V 247
2021-06-28 17:33:04 v 1 055.57625 -21.19295 247
2021-06-28 17:33:08 V 18 42 57.88 -37 27 17.4 14.6 V 247
2021-06-28 17:33:08 v 1 055.57625 -21.19295 247
2021-06-28 17:33:12 V 18 42 57.88 -37 27 17.8 14.5 V 247
2021-06-28 17:33:12 v 1 055.57625 -21.19295 247
2021-06-28 17:33:16 V 18 42 57.87 -37 27 18.0 14.5 V 247
2021-06-28 17:33:16 v 1 055.57625 -21.19295 247
2021-06-28 17:33:20 V 18 42 57.85 -37 27 18.5 14.4 V 247
2021-06-28 17:33:20 v 1 055.57625 -21.19295 247
2021-06-28 17:33:24 V 18 42 57.83 -37 27 18.7 14.3 V 247
2021-06-28 17:33:24 v 1 055.57625 -21.19295 247
2021-06-28 17:33:28 V 18 42 57.82 -37 27 19.1 14.4 V 247
2021-06-28 17:33:28 v 1 055.57625 -21.19295 247
2021-06-28 17:33:32 V 18 42 57.81 -37 27 19.3 14.3 V 247
2021-06-28 17:33:32 v 1 055.57625 -21.19295 247
2021-06-28 17:33:36 V 18 42 57.79 -37 27 19.6 14.3 V 247
2021-06-28 17:33:36 v 1 055.57625 -21.19295 247
2021-06-28 17:33:40 V 18 42 57.79 -37 27 19.9 14.3 V 247
2021-06-28 17:33:40 v 1 055.57625 -21.19295 247
2021-06-28 17:33:44 V 18 42 57.78 -37 27 20.2 14.3 V 247
2021-06-28 17:33:44 v 1 055.57625 -21.19295 247
2021-06-28 17:33:48 V 18 42 57.78 -37 27 20.4 14.4 V 247
2021-06-28 17:33:48 v 1 055.57625 -21.19295 247
2021-06-28 17:33:52 V 18 42 57.77 -37 27 20.5 14.4 V 247
2021-06-28 17:33:52 v 1 055.57625 -21.19295 247
2021-06-28 17:33:56 V 18 42 57.76 -37 27 20.7 14.4 V 247
2021-06-28 17:33:56 v 1 055.57625 -21.19295 247
2021-06-28 17:34:00 V 18 42 57.75 -37 27 20.8 14.4 V 247
2021-06-28 17:34:00 v 1 055.57625 -21.19295 247
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)