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
2021-06-30 19:08:37 v 1 055.57620 -21.19285 247
2021-06-30 19:09:09 V 18 38 26.42 -40 25 30.9 15.2 V 247
2021-06-30 19:09:09 v 1 055.57620 -21.19285 247
2021-06-30 19:09:41 V 18 38 26.35 -40 25 32.2 15.3 V 247
2021-06-30 19:09:41 v 1 055.57620 -21.19285 247
2021-06-30 19:10:13 V 18 38 26.32 -40 25 34.3 15.2 V 247
2021-06-30 19:10:13 v 1 055.57620 -21.19285 247
2021-06-30 19:10:45 V 18 38 26.25 -40 25 35.8 15.4 V 247
2021-06-30 19:10:45 v 1 055.57620 -21.19285 247
2021-06-30 19:11:16 V 18 38 26.19 -40 25 37.7 15.4 V 247
2021-06-30 19:11:16 v 1 055.57620 -21.19285 247
2021-06-30 19:11:48 V 18 38 26.13 -40 25 39.1 15.5 V 247
2021-06-30 19:11:48 v 1 055.57620 -21.19285 247
2021-06-30 19:12:20 V 18 38 26.08 -40 25 40.9 15.7 V 247
2021-06-30 19:12:20 v 1 055.57620 -21.19285 247
2021-06-30 19:12:52 V 18 38 26.00 -40 25 43.0 15.6 V 247
2021-06-30 19:12:52 v 1 055.57620 -21.19285 247
2021-06-30 19:13:23 V 18 38 25.99 -40 25 44.4 15.4 V 247
2021-06-30 19:13:23 v 1 055.57620 -21.19285 247
2021-06-30 19:13:55 V 18 38 25.88 -40 25 46.3 15.3 V 247
2021-06-30 19:13:55 v 1 055.57620 -21.19285 247
2021-06-30 19:14:27 V 18 38 25.84 -40 25 47.8 15.4 V 247
2021-06-30 19:14:27 v 1 055.57620 -21.19285 247
2021-06-30 19:14:59 V 18 38 25.81 -40 25 49.6 15.4 V 247
2021-06-30 19:14:59 v 1 055.57620 -21.19285 247
2021-06-30 19:15:30 V 18 38 25.74 -40 25 50.9 15.4 V 247
2021-06-30 19:15:30 v 1 055.57620 -21.19285 247
2021-06-30 19:16:02 V 18 38 25.71 -40 25 53.1 15.1 V 247
2021-06-30 19:16:02 v 1 055.57620 -21.19285 247
2021-06-30 19:16:34 V 18 38 25.65 -40 25 54.9 15.1 V 247
2021-06-30 19:16:34 v 1 055.57620 -21.19285 247
2021-06-30 19:17:06 V 18 38 25.57 -40 25 56.5 14.8 V 247
2021-06-30 19:17:06 v 1 055.57620 -21.19285 247
2021-06-30 19:17:38 V 18 38 25.52 -40 25 58.4 14.7 V 247
2021-06-30 19:17:38 v 1 055.57620 -21.19285 247
2021-06-30 19:18:09 V 18 38 25.51 -40 26 00.7 14.7 V 247
2021-06-30 19:18:09 v 1 055.57620 -21.19285 247
2021-06-30 19:18:41 V 18 38 25.45 -40 26 02.3 14.7 V 247
2021-06-30 19:18:41 v 1 055.57620 -21.19285 247
2021-06-30 19:19:13 V 18 38 25.44 -40 26 04.2 14.8 V 247
2021-06-30 19:19:13 v 1 055.57620 -21.19285 247
2021-06-30 19:19:45 V 18 38 25.41 -40 26 05.3 14.8 V 247
2021-06-30 19:19:45 v 1 055.57620 -21.19285 247
2021-06-30 19:20:16 V 18 38 25.33 -40 26 06.7 14.6 V 247
2021-06-30 19:20:16 v 1 055.57620 -21.19285 247
2021-06-30 19:20:48 V 18 38 25.35 -40 26 08.2 14.6 V 247
2021-06-30 19:20:48 v 1 055.57620 -21.19285 247
2021-06-30 19:21:20 V 18 38 25.25 -40 26 09.6 14.7 V 247
2021-06-30 19:21:20 v 1 055.57620 -21.19285 247
2021-06-30 19:21:52 V 18 38 25.11 -40 26 11.1 14.7 V 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)