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 17:26:47 V 18 42 58.59 -37 26 50.8 14.9 V 247
2021-06-28 17:26:47 v 1 055.57625 -21.19295 247
2021-06-28 17:26:51 V 18 42 58.58 -37 26 50.9 14.9 V 247
2021-06-28 17:26:51 v 1 055.57625 -21.19295 247
2021-06-28 17:26:55 V 18 42 58.59 -37 26 51.1 14.9 V 247
2021-06-28 17:26:55 v 1 055.57625 -21.19295 247
2021-06-28 17:26:59 V 18 42 58.59 -37 26 51.4 14.8 V 247
2021-06-28 17:26:59 v 1 055.57625 -21.19295 247
2021-06-28 17:27:03 V 18 42 58.59 -37 26 51.7 14.7 V 247
2021-06-28 17:27:03 v 1 055.57625 -21.19295 247
2021-06-28 17:27:07 V 18 42 58.59 -37 26 51.8 14.7 V 247
2021-06-28 17:27:07 v 1 055.57625 -21.19295 247
2021-06-28 17:27:11 V 18 42 58.57 -37 26 52.4 14.6 V 247
2021-06-28 17:27:11 v 1 055.57625 -21.19295 247
2021-06-28 17:27:15 V 18 42 58.55 -37 26 53.1 14.5 V 247
2021-06-28 17:27:15 v 1 055.57625 -21.19295 247
2021-06-28 17:27:19 V 18 42 58.55 -37 26 53.2 14.6 V 247
2021-06-28 17:27:19 v 1 055.57625 -21.19295 247
2021-06-28 17:27:23 V 18 42 58.54 -37 26 53.4 14.6 V 247
2021-06-28 17:27:23 v 1 055.57625 -21.19295 247
2021-06-28 17:27:27 V 18 42 58.53 -37 26 53.7 14.6 V 247
2021-06-28 17:27:27 v 1 055.57625 -21.19295 247
2021-06-28 17:27:31 V 18 42 58.52 -37 26 54.0 14.6 V 247
2021-06-28 17:27:31 v 1 055.57625 -21.19295 247
2021-06-28 17:27:35 V 18 42 58.51 -37 26 54.3 14.6 V 247
2021-06-28 17:27:35 v 1 055.57625 -21.19295 247
2021-06-28 17:27:39 V 18 42 58.51 -37 26 54.4 14.7 V 247
2021-06-28 17:27:39 v 1 055.57625 -21.19295 247
2021-06-28 17:27:43 V 18 42 58.50 -37 26 54.5 14.8 V 247
2021-06-28 17:27:43 v 1 055.57625 -21.19295 247
2021-06-28 17:27:47 V 18 42 58.49 -37 26 54.8 15.0 V 247
2021-06-28 17:27:47 v 1 055.57625 -21.19295 247
2021-06-28 17:27:51 V 18 42 58.49 -37 26 55.0 15.2 V 247
2021-06-28 17:27:51 v 1 055.57625 -21.19295 247
2021-06-28 17:27:55 V 18 42 58.47 -37 26 55.4 15.5 V 247
2021-06-28 17:27:55 v 1 055.57625 -21.19295 247
2021-06-28 17:27:59 V 18 42 58.47 -37 26 55.7 15.7 V 247
2021-06-28 17:27:59 v 1 055.57625 -21.19295 247
2021-06-28 17:28:03 V 18 42 58.45 -37 26 55.9 15.7 V 247
2021-06-28 17:28:03 v 1 055.57625 -21.19295 247
2021-06-28 17:28:07 V 18 42 58.44 -37 26 56.0 15.5 V 247
2021-06-28 17:28:07 v 1 055.57625 -21.19295 247
2021-06-28 17:28:10 V 18 42 58.44 -37 26 56.1 15.2 V 247
2021-06-28 17:28:10 v 1 055.57625 -21.19295 247
2021-06-28 17:28:14 V 18 42 58.44 -37 26 56.7 15.0 V 247
2021-06-28 17:28:14 v 1 055.57625 -21.19295 247
2021-06-28 17:28:18 V 18 42 58.43 -37 26 57.0 14.8 V 247
2021-06-28 17:28:18 v 1 055.57625 -21.19295 247
2021-06-28 17:28:22 V 18 42 58.42 -37 26 57.5 14.5 V 247
2021-06-28 17:28:22 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)