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 16:39:20 V 18 43 03.99 -37 23 28.9 14.4 V 247
2021-06-28 16:39:20 v 1 055.57625 -21.19295 247
2021-06-28 16:39:24 V 18 43 03.98 -37 23 29.3 14.5 V 247
2021-06-28 16:39:24 v 1 055.57625 -21.19295 247
2021-06-28 16:39:28 V 18 43 03.98 -37 23 29.7 14.5 V 247
2021-06-28 16:39:28 v 1 055.57625 -21.19295 247
2021-06-28 16:39:32 V 18 43 03.97 -37 23 29.8 14.4 V 247
2021-06-28 16:39:32 v 1 055.57625 -21.19295 247
2021-06-28 16:39:36 V 18 43 03.96 -37 23 30.1 14.4 V 247
2021-06-28 16:39:36 v 1 055.57625 -21.19295 247
2021-06-28 16:39:40 V 18 43 03.96 -37 23 30.2 14.3 V 247
2021-06-28 16:39:40 v 1 055.57625 -21.19295 247
2021-06-28 16:39:43 V 18 43 03.95 -37 23 30.5 14.4 V 247
2021-06-28 16:39:43 v 1 055.57625 -21.19295 247
2021-06-28 16:39:47 V 18 43 03.93 -37 23 30.8 14.4 V 247
2021-06-28 16:39:47 v 1 055.57625 -21.19295 247
2021-06-28 16:39:51 V 18 43 03.91 -37 23 31.2 14.3 V 247
2021-06-28 16:39:51 v 1 055.57625 -21.19295 247
2021-06-28 16:39:55 V 18 43 03.91 -37 23 31.5 14.3 V 247
2021-06-28 16:39:55 v 1 055.57625 -21.19295 247
2021-06-28 16:39:59 V 18 43 03.90 -37 23 32.0 14.4 V 247
2021-06-28 16:39:59 v 1 055.57625 -21.19295 247
2021-06-28 16:40:03 V 18 43 03.88 -37 23 32.4 14.4 V 247
2021-06-28 16:40:03 v 1 055.57625 -21.19295 247
2021-06-28 16:40:07 V 18 43 03.86 -37 23 32.7 14.4 V 247
2021-06-28 16:40:07 v 1 055.57625 -21.19295 247
2021-06-28 16:40:11 V 18 43 03.86 -37 23 32.8 14.4 V 247
2021-06-28 16:40:11 v 1 055.57625 -21.19295 247
2021-06-28 16:40:15 V 18 43 03.85 -37 23 33.1 14.4 V 247
2021-06-28 16:40:15 v 1 055.57625 -21.19295 247
2021-06-28 16:40:19 V 18 43 03.86 -37 23 33.4 14.3 V 247
2021-06-28 16:40:19 v 1 055.57625 -21.19295 247
2021-06-28 16:40:23 V 18 43 03.85 -37 23 33.7 14.3 V 247
2021-06-28 16:40:23 v 1 055.57625 -21.19295 247
2021-06-28 16:40:27 V 18 43 03.87 -37 23 33.8 14.3 V 247
2021-06-28 16:40:27 v 1 055.57625 -21.19295 247
2021-06-28 16:40:31 V 18 43 03.86 -37 23 34.1 14.3 V 247
2021-06-28 16:40:31 v 1 055.57625 -21.19295 247
2021-06-28 16:40:35 V 18 43 03.85 -37 23 34.3 14.3 V 247
2021-06-28 16:40:35 v 1 055.57625 -21.19295 247
2021-06-28 16:40:39 V 18 43 03.84 -37 23 34.5 14.3 V 247
2021-06-28 16:40:39 v 1 055.57625 -21.19295 247
2021-06-28 16:40:43 V 18 43 03.84 -37 23 34.8 14.3 V 247
2021-06-28 16:40:43 v 1 055.57625 -21.19295 247
2021-06-28 16:40:47 V 18 43 03.83 -37 23 35.1 14.3 V 247
2021-06-28 16:40:47 v 1 055.57625 -21.19295 247
2021-06-28 16:40:51 V 18 43 03.82 -37 23 35.3 14.4 V 247
2021-06-28 16:40:51 v 1 055.57625 -21.19295 247
2021-06-28 16:40:55 V 18 43 03.81 -37 23 35.6 14.5 V 247
2021-06-28 16:40:55 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)