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 16:49:15 V 18 43 02.84 -37 24 11.9 14.6 V 247
2021-06-28 16:49:15 v 1 055.57625 -21.19295 247
2021-06-28 16:49:19 V 18 43 02.85 -37 24 12.2 14.6 V 247
2021-06-28 16:49:19 v 1 055.57625 -21.19295 247
2021-06-28 16:49:23 V 18 43 02.85 -37 24 12.5 14.6 V 247
2021-06-28 16:49:23 v 1 055.57625 -21.19295 247
2021-06-28 16:49:27 V 18 43 02.84 -37 24 12.8 14.6 V 247
2021-06-28 16:49:27 v 1 055.57625 -21.19295 247
2021-06-28 16:49:31 V 18 43 02.84 -37 24 13.2 14.6 V 247
2021-06-28 16:49:31 v 1 055.57625 -21.19295 247
2021-06-28 16:49:35 V 18 43 02.83 -37 24 13.3 14.6 V 247
2021-06-28 16:49:35 v 1 055.57625 -21.19295 247
2021-06-28 16:49:39 V 18 43 02.81 -37 24 13.5 14.6 V 247
2021-06-28 16:49:39 v 1 055.57625 -21.19295 247
2021-06-28 16:49:43 V 18 43 02.78 -37 24 13.7 14.6 V 247
2021-06-28 16:49:43 v 1 055.57625 -21.19295 247
2021-06-28 16:49:47 V 18 43 02.77 -37 24 13.8 14.7 V 247
2021-06-28 16:49:47 v 1 055.57625 -21.19295 247
2021-06-28 16:49:51 V 18 43 02.78 -37 24 14.0 14.7 V 247
2021-06-28 16:49:51 v 1 055.57625 -21.19295 247
2021-06-28 16:49:55 V 18 43 02.76 -37 24 14.2 14.7 V 247
2021-06-28 16:49:55 v 1 055.57625 -21.19295 247
2021-06-28 16:49:59 V 18 43 02.77 -37 24 14.4 14.7 V 247
2021-06-28 16:49:59 v 1 055.57625 -21.19295 247
2021-06-28 16:50:03 V 18 43 02.76 -37 24 14.8 14.7 V 247
2021-06-28 16:50:03 v 1 055.57625 -21.19295 247
2021-06-28 16:50:07 V 18 43 02.75 -37 24 15.1 14.6 V 247
2021-06-28 16:50:07 v 1 055.57625 -21.19295 247
2021-06-28 16:50:11 V 18 43 02.76 -37 24 15.7 14.7 V 247
2021-06-28 16:50:11 v 1 055.57625 -21.19295 247
2021-06-28 16:50:15 V 18 43 02.74 -37 24 16.1 14.6 V 247
2021-06-28 16:50:15 v 1 055.57625 -21.19295 247
2021-06-28 16:50:19 V 18 43 02.74 -37 24 16.4 14.6 V 247
2021-06-28 16:50:19 v 1 055.57625 -21.19295 247
2021-06-28 16:50:23 V 18 43 02.73 -37 24 16.9 14.7 V 247
2021-06-28 16:50:23 v 1 055.57625 -21.19295 247
2021-06-28 16:50:27 V 18 43 02.72 -37 24 17.1 14.7 V 247
2021-06-28 16:50:27 v 1 055.57625 -21.19295 247
2021-06-28 16:50:31 V 18 43 02.69 -37 24 17.3 14.7 V 247
2021-06-28 16:50:31 v 1 055.57625 -21.19295 247
2021-06-28 16:50:35 V 18 43 02.68 -37 24 17.4 14.7 V 247
2021-06-28 16:50:35 v 1 055.57625 -21.19295 247
2021-06-28 16:50:39 V 18 43 02.67 -37 24 17.6 14.8 V 247
2021-06-28 16:50:39 v 1 055.57625 -21.19295 247
2021-06-28 16:50:43 V 18 43 02.65 -37 24 17.8 14.7 V 247
2021-06-28 16:50:43 v 1 055.57625 -21.19295 247
2021-06-28 16:50:47 V 18 43 02.64 -37 24 18.1 14.8 V 247
2021-06-28 16:50:47 v 1 055.57625 -21.19295 247
2021-06-28 16:50:51 V 18 43 02.63 -37 24 18.3 14.8 V 247
2021-06-28 16:50:51 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)