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 07:12:39 V 19 21 02.58 +01 28 49.7 13.6 V 247
2021-06-18 07:12:39 v 1 281.32281 +35.80756 247
2021-06-18 07:12:56 V 19 21 08.17 +01 28 38.2 13.5 V 247
2021-06-18 07:12:56 v 1 238.27236 +37.98630 247
2021-06-18 07:13:11 V 19 21 02.42 +01 28 40.4 13.6 V 247
2021-06-18 07:13:11 v 1 281.32281 +35.80756 247
2021-06-18 07:13:28 V 19 21 08.09 +01 28 30.4 13.4 V 247
2021-06-18 07:13:28 v 1 238.27236 +37.98630 247
2021-06-18 07:13:42 V 19 21 02.28 +01 28 31.4 13.7 V 247
2021-06-18 07:13:42 v 1 281.32281 +35.80756 247
2021-06-18 07:14:00 V 19 21 07.90 +01 28 20.1 13.3 V 247
2021-06-18 07:14:00 v 1 238.27236 +37.98630 247
2021-06-18 07:14:14 V 19 21 02.16 +01 28 22.2 13.5 V 247
2021-06-18 07:14:14 v 1 281.32281 +35.80756 247
2021-06-18 07:14:46 V 19 21 02.01 +01 28 13.5 13.6 V 247
2021-06-18 07:14:46 v 1 281.32281 +35.80756 247
2021-06-18 07:15:03 V 19 21 07.64 +01 28 02.4 13.6 V 247
2021-06-18 07:15:03 v 1 238.27236 +37.98630 247
2021-06-18 07:15:18 V 19 21 01.87 +01 28 03.9 13.7 V 247
2021-06-18 07:15:18 v 1 281.32281 +35.80756 247
2021-06-18 07:15:35 V 19 21 07.51 +01 27 52.8 13.7 V 247
2021-06-18 07:15:35 v 1 238.27236 +37.98630 247
2021-06-18 07:15:49 V 19 21 01.71 +01 27 54.5 13.7 V 247
2021-06-18 07:15:49 v 1 281.32281 +35.80756 247
2021-06-18 07:16:07 V 19 21 07.36 +01 27 43.3 13.7 V 247
2021-06-18 07:16:07 v 1 238.27236 +37.98630 247
2021-06-18 07:16:21 V 19 21 01.59 +01 27 45.6 13.7 V 247
2021-06-18 07:16:21 v 1 281.32281 +35.80756 247
2021-06-18 07:16:39 V 19 21 07.25 +01 27 35.3 13.6 V 247
2021-06-18 07:16:39 v 1 238.27236 +37.98630 247
2021-06-18 07:16:53 V 19 21 01.43 +01 27 36.3 13.5 V 247
2021-06-18 07:16:53 v 1 281.32281 +35.80756 247
2021-06-18 07:17:25 V 19 21 01.28 +01 27 26.9 13.2 V 247
2021-06-18 07:17:25 v 1 281.32281 +35.80756 247
2021-06-18 07:17:42 V 19 21 06.93 +01 27 15.2 13.9 V 247
2021-06-18 07:17:42 v 1 238.27236 +37.98630 247
2021-06-18 07:17:56 V 19 21 01.14 +01 27 17.7 13.3 V 247
2021-06-18 07:17:56 v 1 281.32281 +35.80756 247
2021-06-18 07:18:28 V 19 21 01.00 +01 27 08.1 13.5 V 247
2021-06-18 07:18:28 v 1 281.32281 +35.80756 247
2021-06-18 07:19:00 V 19 21 00.83 +01 26 58.7 13.4 V 247
2021-06-18 07:19:00 v 1 281.32281 +35.80756 247
2021-06-18 07:19:32 V 19 21 00.68 +01 26 50.1 13.5 V 247
2021-06-18 07:19:32 v 1 281.32281 +35.80756 247
2021-06-18 07:20:04 V 19 21 00.56 +01 26 40.3 13.6 V 247
2021-06-18 07:20:04 v 1 281.32281 +35.80756 247
2021-06-18 07:20:35 V 19 21 00.41 +01 26 31.5 13.5 V 247
2021-06-18 07:20:35 v 1 281.32281 +35.80756 247
2021-06-18 07:21:07 V 19 21 00.27 +01 26 22.4 13.5 V 247
2021-06-18 07:21:07 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)