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
2021-06-18 22:11:24 V 19 17 42.61 -02 44 18.0 13.8 V 247
2021-06-18 22:11:24 v 1 016.33597 +48.20439 247
2021-06-18 22:11:56 V 19 17 42.49 -02 44 26.2 13.5 V 247
2021-06-18 22:11:56 v 1 016.33597 +48.20439 247
2021-06-18 22:35:13 V 19 17 36.61 -02 50 55.3 13.5 V 247
2021-06-18 22:35:13 v 1 012.20646 +55.51748 247
2021-06-18 22:35:44 V 19 17 36.48 -02 51 03.8 14.0 V 247
2021-06-18 22:35:44 v 1 012.20646 +55.51748 247
2021-06-18 22:36:16 V 19 17 36.34 -02 51 13.0 13.9 V 247
2021-06-18 22:36:16 v 1 012.20646 +55.51748 247
2021-06-18 22:45:20 V 19 17 34.14 -02 53 40.3 13.9 V 247
2021-06-18 22:45:20 v 1 012.20646 +55.51748 247
2021-06-18 22:45:52 V 19 17 34.00 -02 53 49.3 13.8 V 247
2021-06-18 22:45:52 v 1 012.20646 +55.51748 247
2021-06-18 22:46:24 V 19 17 33.84 -02 53 58.2 13.6 V 247
2021-06-18 22:46:24 v 1 012.20646 +55.51748 247
2021-06-18 22:46:55 V 19 17 33.75 -02 54 06.4 13.6 V 247
2021-06-18 22:46:55 v 1 012.20646 +55.51748 247
2021-06-18 22:47:27 V 19 17 33.65 -02 54 14.8 13.6 V 247
2021-06-18 22:47:27 v 1 012.20646 +55.51748 247
2021-06-18 22:47:59 V 19 17 33.49 -02 54 23.3 13.7 V 247
2021-06-18 22:47:59 v 1 012.20646 +55.51748 247
2021-06-18 22:48:31 V 19 17 33.32 -02 54 33.4 13.6 V 247
2021-06-18 22:48:31 v 1 012.20646 +55.51748 247
2021-06-18 22:49:02 V 19 17 33.22 -02 54 41.4 13.5 V 247
2021-06-18 22:49:02 v 1 012.20646 +55.51748 247
2021-06-18 22:49:34 V 19 17 33.13 -02 54 49.7 13.8 V 247
2021-06-18 22:49:34 v 1 012.20646 +55.51748 247
2021-06-18 22:50:06 V 19 17 33.02 -02 54 57.2 13.5 V 247
2021-06-18 22:50:06 v 1 012.20646 +55.51748 247
2021-06-18 22:50:38 V 19 17 32.86 -02 55 06.8 13.4 V 247
2021-06-18 22:50:38 v 1 012.20646 +55.51748 247
2021-06-18 22:51:09 V 19 17 32.74 -02 55 15.0 13.6 V 247
2021-06-18 22:51:09 v 1 012.20646 +55.51748 247
2021-06-18 22:51:41 V 19 17 32.60 -02 55 24.0 13.6 V 247
2021-06-18 22:51:41 v 1 012.20646 +55.51748 247
2021-06-18 22:52:13 V 19 17 32.48 -02 55 31.8 13.7 V 247
2021-06-18 22:52:13 v 1 012.20646 +55.51748 247
2021-06-18 22:52:45 V 19 17 32.37 -02 55 40.5 13.7 V 247
2021-06-18 22:52:45 v 1 012.20646 +55.51748 247
2021-06-18 22:53:17 V 19 17 32.21 -02 55 49.3 13.8 V 247
2021-06-18 22:53:17 v 1 012.20646 +55.51748 247
2021-06-18 22:53:48 V 19 17 32.10 -02 55 58.6 13.4 V 247
2021-06-18 22:53:48 v 1 012.20646 +55.51748 247
2021-06-18 22:54:52 V 19 17 31.78 -02 56 15.4 13.4 V 247
2021-06-18 22:54:52 v 1 012.20646 +55.51748 247
2021-06-18 22:55:24 V 19 17 31.72 -02 56 23.1 13.6 V 247
2021-06-18 22:55:24 v 1 012.20646 +55.51748 247
2021-06-18 22:55:55 V 19 17 31.57 -02 56 31.8 14.0 V 247
2021-06-18 22:55:55 v 1 012.20646 +55.51748 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)