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 08:09:29 V 19 20 47.23 +01 12 20.1 13.6 V 247
2021-06-18 08:09:29 v 1 281.32281 +35.80756 247
2021-06-18 08:09:33 V 19 20 53.21 +01 12 14.2 13.6 V 247
2021-06-18 08:09:33 v 1 238.27236 +37.98630 247
2021-06-18 08:10:05 V 19 20 53.09 +01 12 04.6 13.3 V 247
2021-06-18 08:10:05 v 1 238.27236 +37.98630 247
2021-06-18 08:10:32 V 19 20 46.97 +01 12 01.5 13.4 V 247
2021-06-18 08:10:32 v 1 281.32281 +35.80756 247
2021-06-18 08:10:37 V 19 20 52.90 +01 11 55.1 13.6 V 247
2021-06-18 08:10:37 v 1 238.27236 +37.98630 247
2021-06-18 08:11:09 V 19 20 52.80 +01 11 46.9 13.7 V 247
2021-06-18 08:11:09 v 1 238.27236 +37.98630 247
2021-06-18 08:11:36 V 19 20 46.69 +01 11 43.6 13.5 V 247
2021-06-18 08:11:36 v 1 281.32281 +35.80756 247
2021-06-18 08:11:40 V 19 20 52.68 +01 11 38.1 13.6 V 247
2021-06-18 08:11:40 v 1 238.27236 +37.98630 247
2021-06-18 08:12:07 V 19 20 46.54 +01 11 34.4 13.8 V 247
2021-06-18 08:12:07 v 1 281.32281 +35.80756 247
2021-06-18 08:12:12 V 19 20 52.52 +01 11 28.2 13.4 V 247
2021-06-18 08:12:12 v 1 238.27236 +37.98630 247
2021-06-18 08:12:39 V 19 20 46.38 +01 11 24.3 13.4 V 247
2021-06-18 08:12:39 v 1 281.32281 +35.80756 247
2021-06-18 08:12:44 V 19 20 52.36 +01 11 19.6 14.1 V 247
2021-06-18 08:12:44 v 1 238.27236 +37.98630 247
2021-06-18 08:13:11 V 19 20 46.28 +01 11 15.9 13.1 V 247
2021-06-18 08:13:11 v 1 281.32281 +35.80756 247
2021-06-18 08:13:16 V 19 20 52.21 +01 11 10.0 14.4 V 247
2021-06-18 08:13:16 v 1 238.27236 +37.98630 247
2021-06-18 08:13:43 V 19 20 46.13 +01 11 07.4 12.9 V 247
2021-06-18 08:13:43 v 1 281.32281 +35.80756 247
2021-06-18 08:13:47 V 19 20 52.11 +01 11 01.5 13.2 V 247
2021-06-18 08:13:47 v 1 238.27236 +37.98630 247
2021-06-18 08:14:51 V 19 20 51.77 +01 10 41.7 13.1 V 247
2021-06-18 08:14:51 v 1 238.27236 +37.98630 247
2021-06-18 08:15:16 V 19 20 45.67 +01 10 37.4 13.6 V 247
2021-06-18 08:15:16 v 1 281.32281 +35.80756 247
2021-06-18 08:15:23 V 19 20 51.74 +01 10 34.2 13.9 V 247
2021-06-18 08:15:23 v 1 238.27236 +37.98630 247
2021-06-18 08:15:50 V 19 20 45.57 +01 10 30.1 13.6 V 247
2021-06-18 08:15:50 v 1 281.32281 +35.80756 247
2021-06-18 08:15:55 V 19 20 51.51 +01 10 23.4 14.0 V 247
2021-06-18 08:15:55 v 1 238.27236 +37.98630 247
2021-06-18 08:16:21 V 19 20 45.39 +01 10 19.6 13.9 V 247
2021-06-18 08:16:21 v 1 281.32281 +35.80756 247
2021-06-18 08:16:26 V 19 20 51.37 +01 10 14.3 13.6 V 247
2021-06-18 08:16:26 v 1 238.27236 +37.98630 247
2021-06-18 08:16:58 V 19 20 51.24 +01 10 05.1 13.6 V 247
2021-06-18 08:16:58 v 1 238.27236 +37.98630 247
2021-06-18 08:17:25 V 19 20 45.07 +01 10 00.5 13.2 V 247
2021-06-18 08:17:25 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)