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 17:25:08 V 18 42 58.82 -37 26 43.8 14.8 V 247
2021-06-28 17:25:08 v 1 055.57625 -21.19295 247
2021-06-28 17:25:12 V 18 42 58.80 -37 26 44.1 14.8 V 247
2021-06-28 17:25:12 v 1 055.57625 -21.19295 247
2021-06-28 17:25:16 V 18 42 58.78 -37 26 44.4 14.8 V 247
2021-06-28 17:25:16 v 1 055.57625 -21.19295 247
2021-06-28 17:25:20 V 18 42 58.80 -37 26 44.7 14.7 V 247
2021-06-28 17:25:20 v 1 055.57625 -21.19295 247
2021-06-28 17:25:24 V 18 42 58.79 -37 26 44.9 14.8 V 247
2021-06-28 17:25:24 v 1 055.57625 -21.19295 247
2021-06-28 17:25:28 V 18 42 58.79 -37 26 45.2 14.7 V 247
2021-06-28 17:25:28 v 1 055.57625 -21.19295 247
2021-06-28 17:25:32 V 18 42 58.80 -37 26 45.5 14.7 V 247
2021-06-28 17:25:32 v 1 055.57625 -21.19295 247
2021-06-28 17:25:36 V 18 42 58.79 -37 26 45.8 14.7 V 247
2021-06-28 17:25:36 v 1 055.57625 -21.19295 247
2021-06-28 17:25:40 V 18 42 58.79 -37 26 46.0 14.9 V 247
2021-06-28 17:25:40 v 1 055.57625 -21.19295 247
2021-06-28 17:25:44 V 18 42 58.78 -37 26 46.1 14.9 V 247
2021-06-28 17:25:44 v 1 055.57625 -21.19295 247
2021-06-28 17:25:48 V 18 42 58.78 -37 26 46.5 14.8 V 247
2021-06-28 17:25:48 v 1 055.57625 -21.19295 247
2021-06-28 17:25:51 V 18 42 58.76 -37 26 46.7 14.9 V 247
2021-06-28 17:25:51 v 1 055.57625 -21.19295 247
2021-06-28 17:25:55 V 18 42 58.74 -37 26 46.9 14.8 V 247
2021-06-28 17:25:55 v 1 055.57625 -21.19295 247
2021-06-28 17:25:59 V 18 42 58.74 -37 26 47.2 14.9 V 247
2021-06-28 17:25:59 v 1 055.57625 -21.19295 247
2021-06-28 17:26:03 V 18 42 58.72 -37 26 47.4 14.8 V 247
2021-06-28 17:26:03 v 1 055.57625 -21.19295 247
2021-06-28 17:26:07 V 18 42 58.72 -37 26 47.8 14.8 V 247
2021-06-28 17:26:07 v 1 055.57625 -21.19295 247
2021-06-28 17:26:11 V 18 42 58.71 -37 26 47.9 14.8 V 247
2021-06-28 17:26:11 v 1 055.57625 -21.19295 247
2021-06-28 17:26:15 V 18 42 58.70 -37 26 48.3 14.7 V 247
2021-06-28 17:26:15 v 1 055.57625 -21.19295 247
2021-06-28 17:26:19 V 18 42 58.69 -37 26 48.5 14.8 V 247
2021-06-28 17:26:19 v 1 055.57625 -21.19295 247
2021-06-28 17:26:23 V 18 42 58.67 -37 26 49.0 14.7 V 247
2021-06-28 17:26:23 v 1 055.57625 -21.19295 247
2021-06-28 17:26:27 V 18 42 58.65 -37 26 49.2 14.8 V 247
2021-06-28 17:26:27 v 1 055.57625 -21.19295 247
2021-06-28 17:26:31 V 18 42 58.64 -37 26 49.6 14.8 V 247
2021-06-28 17:26:31 v 1 055.57625 -21.19295 247
2021-06-28 17:26:35 V 18 42 58.62 -37 26 50.1 14.8 V 247
2021-06-28 17:26:35 v 1 055.57625 -21.19295 247
2021-06-28 17:26:39 V 18 42 58.62 -37 26 50.2 14.9 V 247
2021-06-28 17:26:39 v 1 055.57625 -21.19295 247
2021-06-28 17:26:43 V 18 42 58.62 -37 26 50.4 14.9 V 247
2021-06-28 17:26:43 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)