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 05:46:44 V 19 21 30.58 +01 53 45.5 13.6 V 247
2021-06-18 05:46:44 v 1 238.27236 +37.98630 247
2021-06-18 05:47:15 V 19 21 30.45 +01 53 36.6 13.5 V 247
2021-06-18 05:47:15 v 1 238.27236 +37.98630 247
2021-06-18 05:47:47 V 19 21 30.34 +01 53 26.6 13.5 V 247
2021-06-18 05:47:47 v 1 238.27236 +37.98630 247
2021-06-18 05:49:22 V 19 21 29.90 +01 52 59.9 14.2 V 247
2021-06-18 05:49:22 v 1 238.27236 +37.98630 247
2021-06-18 05:49:54 V 19 21 29.75 +01 52 49.5 13.6 V 247
2021-06-18 05:49:54 v 1 238.27236 +37.98630 247
2021-06-18 05:50:26 V 19 21 29.61 +01 52 40.5 13.4 V 247
2021-06-18 05:50:26 v 1 238.27236 +37.98630 247
2021-06-18 05:50:58 V 19 21 29.51 +01 52 31.1 13.7 V 247
2021-06-18 05:50:58 v 1 238.27236 +37.98630 247
2021-06-18 06:07:43 V 19 21 20.23 +01 47 43.9 13.8 V 247
2021-06-18 06:07:43 v 1 281.32281 +35.80756 247
2021-06-18 06:08:14 V 19 21 20.09 +01 47 34.4 13.7 V 247
2021-06-18 06:08:14 v 1 281.32281 +35.80756 247
2021-06-18 06:09:18 V 19 21 19.84 +01 47 15.9 13.4 V 247
2021-06-18 06:09:18 v 1 281.32281 +35.80756 247
2021-06-18 06:11:25 V 19 21 19.22 +01 46 38.4 13.5 V 247
2021-06-18 06:11:25 v 1 281.32281 +35.80756 247
2021-06-18 06:12:29 V 19 21 18.92 +01 46 19.7 13.5 V 247
2021-06-18 06:12:29 v 1 281.32281 +35.80756 247
2021-06-18 06:13:00 V 19 21 18.79 +01 46 11.1 13.6 V 247
2021-06-18 06:13:00 v 1 281.32281 +35.80756 247
2021-06-18 06:13:32 V 19 21 18.65 +01 46 01.6 13.6 V 247
2021-06-18 06:13:32 v 1 281.32281 +35.80756 247
2021-06-18 06:14:04 V 19 21 18.50 +01 45 52.3 13.7 V 247
2021-06-18 06:14:04 v 1 281.32281 +35.80756 247
2021-06-18 06:14:36 V 19 21 18.37 +01 45 43.5 13.9 V 247
2021-06-18 06:14:36 v 1 281.32281 +35.80756 247
2021-06-18 06:15:39 V 19 21 18.06 +01 45 23.4 13.3 V 247
2021-06-18 06:15:39 v 1 281.32281 +35.80756 247
2021-06-18 06:17:46 V 19 21 17.52 +01 44 48.2 13.4 V 247
2021-06-18 06:17:46 v 1 281.32281 +35.80756 247
2021-06-18 06:19:22 V 19 21 17.07 +01 44 19.8 13.4 V 247
2021-06-18 06:19:22 v 1 281.32281 +35.80756 247
2021-06-18 06:19:53 V 19 21 16.89 +01 44 10.1 13.8 V 247
2021-06-18 06:19:53 v 1 281.32281 +35.80756 247
2021-06-18 06:20:25 V 19 21 16.78 +01 44 01.4 13.4 V 247
2021-06-18 06:20:25 v 1 281.32281 +35.80756 247
2021-06-18 06:20:57 V 19 21 16.66 +01 43 52.7 12.9 V 247
2021-06-18 06:20:57 v 1 281.32281 +35.80756 247
2021-06-18 06:22:00 V 19 21 16.36 +01 43 34.1 13.0 V 247
2021-06-18 06:22:00 v 1 281.32281 +35.80756 247
2021-06-18 06:22:32 V 19 21 16.21 +01 43 24.8 13.7 V 247
2021-06-18 06:22:32 v 1 281.32281 +35.80756 247
2021-06-18 06:23:36 V 19 21 15.93 +01 43 06.5 13.9 V 247
2021-06-18 06:23:36 v 1 281.32281 +35.80756 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)