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 17:49:37 V 18 42 55.87 -37 28 27.1 14.9 V 247
2021-06-28 17:49:37 v 1 055.57625 -21.19295 247
2021-06-28 17:49:41 V 18 42 55.87 -37 28 27.4 14.9 V 247
2021-06-28 17:49:41 v 1 055.57625 -21.19295 247
2021-06-28 17:49:45 V 18 42 55.86 -37 28 27.5 14.9 V 247
2021-06-28 17:49:45 v 1 055.57625 -21.19295 247
2021-06-28 17:49:49 V 18 42 55.87 -37 28 27.8 14.9 V 247
2021-06-28 17:49:49 v 1 055.57625 -21.19295 247
2021-06-28 17:49:53 V 18 42 55.85 -37 28 28.0 14.9 V 247
2021-06-28 17:49:53 v 1 055.57625 -21.19295 247
2021-06-28 17:49:57 V 18 42 55.86 -37 28 28.2 14.9 V 247
2021-06-28 17:49:57 v 1 055.57625 -21.19295 247
2021-06-28 17:50:01 V 18 42 55.86 -37 28 28.5 14.9 V 247
2021-06-28 17:50:01 v 1 055.57625 -21.19295 247
2021-06-28 17:50:05 V 18 42 55.85 -37 28 28.8 14.9 V 247
2021-06-28 17:50:05 v 1 055.57625 -21.19295 247
2021-06-28 17:50:09 V 18 42 55.83 -37 28 29.2 14.8 V 247
2021-06-28 17:50:09 v 1 055.57625 -21.19295 247
2021-06-28 17:50:13 V 18 42 55.83 -37 28 29.5 14.9 V 247
2021-06-28 17:50:13 v 1 055.57625 -21.19295 247
2021-06-28 17:50:17 V 18 42 55.82 -37 28 29.8 14.9 V 247
2021-06-28 17:50:17 v 1 055.57625 -21.19295 247
2021-06-28 17:50:21 V 18 42 55.80 -37 28 30.0 14.9 V 247
2021-06-28 17:50:21 v 1 055.57625 -21.19295 247
2021-06-28 17:50:25 V 18 42 55.80 -37 28 30.2 14.9 V 247
2021-06-28 17:50:25 v 1 055.57625 -21.19295 247
2021-06-28 17:50:29 V 18 42 55.79 -37 28 30.5 14.9 V 247
2021-06-28 17:50:29 v 1 055.57625 -21.19295 247
2021-06-28 17:50:33 V 18 42 55.79 -37 28 30.7 15.0 V 247
2021-06-28 17:50:33 v 1 055.57625 -21.19295 247
2021-06-28 17:50:37 V 18 42 55.78 -37 28 31.0 14.9 V 247
2021-06-28 17:50:37 v 1 055.57625 -21.19295 247
2021-06-28 17:50:41 V 18 42 55.77 -37 28 31.1 14.9 V 247
2021-06-28 17:50:41 v 1 055.57625 -21.19295 247
2021-06-28 17:50:45 V 18 42 55.75 -37 28 31.3 14.9 V 247
2021-06-28 17:50:45 v 1 055.57625 -21.19295 247
2021-06-28 17:50:49 V 18 42 55.74 -37 28 31.7 14.8 V 247
2021-06-28 17:50:49 v 1 055.57625 -21.19295 247
2021-06-28 17:50:53 V 18 42 55.74 -37 28 31.9 14.8 V 247
2021-06-28 17:50:53 v 1 055.57625 -21.19295 247
2021-06-28 17:50:57 V 18 42 55.74 -37 28 32.2 14.8 V 247
2021-06-28 17:50:57 v 1 055.57625 -21.19295 247
2021-06-28 17:51:01 V 18 42 55.74 -37 28 32.5 14.9 V 247
2021-06-28 17:51:01 v 1 055.57625 -21.19295 247
2021-06-28 17:51:05 V 18 42 55.73 -37 28 32.7 14.9 V 247
2021-06-28 17:51:05 v 1 055.57625 -21.19295 247
2021-06-28 17:51:08 V 18 42 55.72 -37 28 33.0 14.9 V 247
2021-06-28 17:51:08 v 1 055.57625 -21.19295 247
2021-06-28 17:51:12 V 18 42 55.74 -37 28 33.2 15.0 V 247
2021-06-28 17:51:12 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)