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 17:39:02 V 18 42 57.19 -37 27 42.4 14.4 V 247
2021-06-28 17:39:02 v 1 055.57625 -21.19295 247
2021-06-28 17:39:06 V 18 42 57.20 -37 27 42.8 14.4 V 247
2021-06-28 17:39:06 v 1 055.57625 -21.19295 247
2021-06-28 17:39:10 V 18 42 57.22 -37 27 43.1 14.5 V 247
2021-06-28 17:39:10 v 1 055.57625 -21.19295 247
2021-06-28 17:39:14 V 18 42 57.22 -37 27 43.3 14.5 V 247
2021-06-28 17:39:14 v 1 055.57625 -21.19295 247
2021-06-28 17:39:18 V 18 42 57.22 -37 27 43.6 14.4 V 247
2021-06-28 17:39:18 v 1 055.57625 -21.19295 247
2021-06-28 17:39:22 V 18 42 57.25 -37 27 43.9 14.4 V 247
2021-06-28 17:39:22 v 1 055.57625 -21.19295 247
2021-06-28 17:39:26 V 18 42 57.27 -37 27 44.0 14.5 V 247
2021-06-28 17:39:26 v 1 055.57625 -21.19295 247
2021-06-28 17:39:30 V 18 42 57.27 -37 27 44.6 14.5 V 247
2021-06-28 17:39:30 v 1 055.57625 -21.19295 247
2021-06-28 17:40:13 V 18 42 57.17 -37 27 47.4 14.5 V 247
2021-06-28 17:40:13 v 1 055.57625 -21.19295 247
2021-06-28 17:40:17 V 18 42 57.13 -37 27 47.7 14.5 V 247
2021-06-28 17:40:17 v 1 055.57625 -21.19295 247
2021-06-28 17:40:21 V 18 42 57.10 -37 27 47.9 14.5 V 247
2021-06-28 17:40:21 v 1 055.57625 -21.19295 247
2021-06-28 17:40:25 V 18 42 57.08 -37 27 48.3 14.5 V 247
2021-06-28 17:40:25 v 1 055.57625 -21.19295 247
2021-06-28 17:40:29 V 18 42 57.06 -37 27 48.6 14.6 V 247
2021-06-28 17:40:29 v 1 055.57625 -21.19295 247
2021-06-28 17:40:33 V 18 42 57.04 -37 27 48.8 14.6 V 247
2021-06-28 17:40:33 v 1 055.57625 -21.19295 247
2021-06-28 17:40:37 V 18 42 57.03 -37 27 49.1 14.6 V 247
2021-06-28 17:40:37 v 1 055.57625 -21.19295 247
2021-06-28 17:40:41 V 18 42 57.02 -37 27 49.4 14.6 V 247
2021-06-28 17:40:41 v 1 055.57625 -21.19295 247
2021-06-28 17:40:45 V 18 42 57.01 -37 27 49.8 14.7 V 247
2021-06-28 17:40:45 v 1 055.57625 -21.19295 247
2021-06-28 17:40:49 V 18 42 56.99 -37 27 50.2 14.6 V 247
2021-06-28 17:40:49 v 1 055.57625 -21.19295 247
2021-06-28 17:40:53 V 18 42 56.98 -37 27 50.5 14.6 V 247
2021-06-28 17:40:53 v 1 055.57625 -21.19295 247
2021-06-28 17:40:57 V 18 42 56.97 -37 27 50.7 14.5 V 247
2021-06-28 17:40:57 v 1 055.57625 -21.19295 247
2021-06-28 17:41:01 V 18 42 56.96 -37 27 50.9 14.5 V 247
2021-06-28 17:41:01 v 1 055.57625 -21.19295 247
2021-06-28 17:41:05 V 18 42 56.95 -37 27 51.1 14.5 V 247
2021-06-28 17:41:05 v 1 055.57625 -21.19295 247
2021-06-28 17:41:09 V 18 42 56.93 -37 27 51.4 14.5 V 247
2021-06-28 17:41:09 v 1 055.57625 -21.19295 247
2021-06-28 17:41:13 V 18 42 56.91 -37 27 51.6 14.4 V 247
2021-06-28 17:41:13 v 1 055.57625 -21.19295 247
2021-06-28 17:41:17 V 18 42 56.90 -37 27 51.9 14.4 V 247
2021-06-28 17:41:17 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)