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 17:59:39 V 18 42 54.76 -37 29 08.9 14.5 V 247
2021-06-28 17:59:39 v 1 055.57625 -21.19295 247
2021-06-28 17:59:43 V 18 42 54.76 -37 29 09.2 14.6 V 247
2021-06-28 17:59:43 v 1 055.57625 -21.19295 247
2021-06-28 17:59:47 V 18 42 54.76 -37 29 09.6 14.6 V 247
2021-06-28 17:59:47 v 1 055.57625 -21.19295 247
2021-06-28 17:59:51 V 18 42 54.76 -37 29 10.0 14.6 V 247
2021-06-28 17:59:51 v 1 055.57625 -21.19295 247
2021-06-28 17:59:55 V 18 42 54.75 -37 29 10.1 14.6 V 247
2021-06-28 17:59:55 v 1 055.57625 -21.19295 247
2021-06-28 17:59:59 V 18 42 54.75 -37 29 10.4 14.7 V 247
2021-06-28 17:59:59 v 1 055.57625 -21.19295 247
2021-06-28 18:00:03 V 18 42 54.75 -37 29 10.7 14.7 V 247
2021-06-28 18:00:03 v 1 055.57625 -21.19295 247
2021-06-28 18:00:07 V 18 42 54.75 -37 29 11.0 14.7 V 247
2021-06-28 18:00:07 v 1 055.57625 -21.19295 247
2021-06-28 18:00:11 V 18 42 54.74 -37 29 11.1 14.7 V 247
2021-06-28 18:00:11 v 1 055.57625 -21.19295 247
2021-06-28 18:00:15 V 18 42 54.73 -37 29 11.5 14.7 V 247
2021-06-28 18:00:15 v 1 055.57625 -21.19295 247
2021-06-28 18:00:19 V 18 42 54.71 -37 29 11.7 14.8 V 247
2021-06-28 18:00:19 v 1 055.57625 -21.19295 247
2021-06-28 18:00:22 V 18 42 54.70 -37 29 12.1 14.8 V 247
2021-06-28 18:00:22 v 1 055.57625 -21.19295 247
2021-06-28 18:00:26 V 18 42 54.69 -37 29 12.4 14.8 V 247
2021-06-28 18:00:26 v 1 055.57625 -21.19295 247
2021-06-28 18:00:30 V 18 42 54.67 -37 29 12.7 14.8 V 247
2021-06-28 18:00:30 v 1 055.57625 -21.19295 247
2021-06-28 18:00:34 V 18 42 54.65 -37 29 13.1 14.8 V 247
2021-06-28 18:00:34 v 1 055.57625 -21.19295 247
2021-06-28 18:00:38 V 18 42 54.65 -37 29 13.5 14.9 V 247
2021-06-28 18:00:38 v 1 055.57625 -21.19295 247
2021-06-28 18:00:42 V 18 42 54.63 -37 29 13.7 15.0 V 247
2021-06-28 18:00:42 v 1 055.57625 -21.19295 247
2021-06-28 18:00:46 V 18 42 54.63 -37 29 13.9 15.3 V 247
2021-06-28 18:00:46 v 1 055.57625 -21.19295 247
2021-06-28 18:00:50 V 18 42 54.62 -37 29 14.2 15.2 V 247
2021-06-28 18:00:50 v 1 055.57625 -21.19295 247
2021-06-28 18:00:54 V 18 42 54.62 -37 29 14.4 15.3 V 247
2021-06-28 18:00:54 v 1 055.57625 -21.19295 247
2021-06-28 18:00:58 V 18 42 54.62 -37 29 14.5 15.4 V 247
2021-06-28 18:00:58 v 1 055.57625 -21.19295 247
2021-06-28 18:01:02 V 18 42 54.61 -37 29 14.8 15.5 V 247
2021-06-28 18:01:02 v 1 055.57625 -21.19295 247
2021-06-28 18:01:06 V 18 42 54.62 -37 29 15.2 15.8 V 247
2021-06-28 18:01:06 v 1 055.57625 -21.19295 247
2021-06-28 18:01:10 V 18 42 54.59 -37 29 15.5 15.7 V 247
2021-06-28 18:01:10 v 1 055.57625 -21.19295 247
2021-06-28 18:01:14 V 18 42 54.60 -37 29 15.7 15.5 V 247
2021-06-28 18:01:14 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)