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 07:04:42 V 19 21 04.77 +01 31 08.1 13.7 V 247
2021-06-18 07:04:42 v 1 281.32281 +35.80756 247
2021-06-18 07:05:00 V 19 21 10.25 +01 30 57.0 13.7 V 247
2021-06-18 07:05:00 v 1 238.27236 +37.98630 247
2021-06-18 07:05:14 V 19 21 04.61 +01 30 59.2 13.5 V 247
2021-06-18 07:05:14 v 1 281.32281 +35.80756 247
2021-06-18 07:05:31 V 19 21 10.19 +01 30 48.4 13.5 V 247
2021-06-18 07:05:31 v 1 238.27236 +37.98630 247
2021-06-18 07:05:46 V 19 21 04.46 +01 30 49.7 13.5 V 247
2021-06-18 07:05:46 v 1 281.32281 +35.80756 247
2021-06-18 07:06:18 V 19 21 04.30 +01 30 39.7 13.6 V 247
2021-06-18 07:06:18 v 1 281.32281 +35.80756 247
2021-06-18 07:06:35 V 19 21 09.84 +01 30 29.6 13.6 V 247
2021-06-18 07:06:35 v 1 238.27236 +37.98630 247
2021-06-18 07:06:49 V 19 21 04.17 +01 30 31.1 13.6 V 247
2021-06-18 07:06:49 v 1 281.32281 +35.80756 247
2021-06-18 07:07:07 V 19 21 09.74 +01 30 20.8 13.6 V 247
2021-06-18 07:07:07 v 1 238.27236 +37.98630 247
2021-06-18 07:07:21 V 19 21 04.01 +01 30 21.2 13.5 V 247
2021-06-18 07:07:21 v 1 281.32281 +35.80756 247
2021-06-18 07:07:39 V 19 21 09.59 +01 30 11.5 13.5 V 247
2021-06-18 07:07:39 v 1 238.27236 +37.98630 247
2021-06-18 07:07:53 V 19 21 03.87 +01 30 12.3 13.5 V 247
2021-06-18 07:07:53 v 1 281.32281 +35.80756 247
2021-06-18 07:08:10 V 19 21 09.45 +01 30 02.6 13.5 V 247
2021-06-18 07:08:10 v 1 238.27236 +37.98630 247
2021-06-18 07:08:25 V 19 21 03.74 +01 30 03.4 13.6 V 247
2021-06-18 07:08:25 v 1 281.32281 +35.80756 247
2021-06-18 07:08:42 V 19 21 09.32 +01 29 53.1 13.5 V 247
2021-06-18 07:08:42 v 1 238.27236 +37.98630 247
2021-06-18 07:08:56 V 19 21 03.64 +01 29 54.6 13.5 V 247
2021-06-18 07:08:56 v 1 281.32281 +35.80756 247
2021-06-18 07:09:14 V 19 21 09.17 +01 29 42.8 13.3 V 247
2021-06-18 07:09:14 v 1 238.27236 +37.98630 247
2021-06-18 07:09:28 V 19 21 03.46 +01 29 44.9 13.4 V 247
2021-06-18 07:09:28 v 1 281.32281 +35.80756 247
2021-06-18 07:09:46 V 19 21 09.03 +01 29 34.3 13.2 V 247
2021-06-18 07:09:46 v 1 238.27236 +37.98630 247
2021-06-18 07:10:49 V 19 21 08.75 +01 29 16.4 13.8 V 247
2021-06-18 07:10:49 v 1 238.27236 +37.98630 247
2021-06-18 07:11:03 V 19 21 03.02 +01 29 17.0 13.5 V 247
2021-06-18 07:11:03 v 1 281.32281 +35.80756 247
2021-06-18 07:11:21 V 19 21 08.62 +01 29 06.9 13.6 V 247
2021-06-18 07:11:21 v 1 238.27236 +37.98630 247
2021-06-18 07:11:35 V 19 21 02.87 +01 29 07.7 13.4 V 247
2021-06-18 07:11:35 v 1 281.32281 +35.80756 247
2021-06-18 07:11:53 V 19 21 08.48 +01 28 57.4 13.7 V 247
2021-06-18 07:11:53 v 1 238.27236 +37.98630 247
2021-06-18 07:12:07 V 19 21 02.74 +01 28 58.8 13.4 V 247
2021-06-18 07:12:07 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)