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 06:57:03 V 19 21 12.35 +01 33 16.0 13.6 V 247
2021-06-18 06:57:03 v 1 238.27236 +37.98630 247
2021-06-18 06:57:35 V 19 21 12.23 +01 33 07.5 13.6 V 247
2021-06-18 06:57:35 v 1 238.27236 +37.98630 247
2021-06-18 06:58:07 V 19 21 12.07 +01 32 57.1 13.7 V 247
2021-06-18 06:58:07 v 1 238.27236 +37.98630 247
2021-06-18 06:58:21 V 19 21 06.47 +01 32 58.7 13.4 V 247
2021-06-18 06:58:21 v 1 281.32281 +35.80756 247
2021-06-18 06:58:38 V 19 21 11.94 +01 32 48.5 13.6 V 247
2021-06-18 06:58:38 v 1 238.27236 +37.98630 247
2021-06-18 06:58:53 V 19 21 06.32 +01 32 49.1 13.7 V 247
2021-06-18 06:58:53 v 1 281.32281 +35.80756 247
2021-06-18 06:59:10 V 19 21 11.81 +01 32 39.0 13.5 V 247
2021-06-18 06:59:10 v 1 238.27236 +37.98630 247
2021-06-18 06:59:42 V 19 21 11.70 +01 32 29.6 13.6 V 247
2021-06-18 06:59:42 v 1 238.27236 +37.98630 247
2021-06-18 06:59:56 V 19 21 06.03 +01 32 30.1 13.6 V 247
2021-06-18 06:59:56 v 1 281.32281 +35.80756 247
2021-06-18 07:00:14 V 19 21 11.49 +01 32 19.8 13.5 V 247
2021-06-18 07:00:14 v 1 238.27236 +37.98630 247
2021-06-18 07:00:28 V 19 21 05.92 +01 32 22.8 14.3 V 247
2021-06-18 07:00:28 v 1 281.32281 +35.80756 247
2021-06-18 07:00:46 V 19 21 11.39 +01 32 11.0 13.6 V 247
2021-06-18 07:00:46 v 1 238.27236 +37.98630 247
2021-06-18 07:01:00 V 19 21 05.78 +01 32 13.2 14.0 V 247
2021-06-18 07:01:00 v 1 281.32281 +35.80756 247
2021-06-18 07:01:17 V 19 21 11.25 +01 32 02.1 13.6 V 247
2021-06-18 07:01:17 v 1 238.27236 +37.98630 247
2021-06-18 07:01:32 V 19 21 05.65 +01 32 03.8 13.5 V 247
2021-06-18 07:01:32 v 1 281.32281 +35.80756 247
2021-06-18 07:01:49 V 19 21 11.11 +01 31 52.0 13.5 V 247
2021-06-18 07:01:49 v 1 238.27236 +37.98630 247
2021-06-18 07:02:03 V 19 21 05.47 +01 31 54.2 13.5 V 247
2021-06-18 07:02:03 v 1 281.32281 +35.80756 247
2021-06-18 07:02:21 V 19 21 10.97 +01 31 43.1 13.6 V 247
2021-06-18 07:02:21 v 1 238.27236 +37.98630 247
2021-06-18 07:02:35 V 19 21 05.30 +01 31 44.7 14.3 V 247
2021-06-18 07:02:35 v 1 281.32281 +35.80756 247
2021-06-18 07:02:53 V 19 21 10.85 +01 31 34.4 13.6 V 247
2021-06-18 07:02:53 v 1 238.27236 +37.98630 247
2021-06-18 07:03:07 V 19 21 05.17 +01 31 35.7 14.3 V 247
2021-06-18 07:03:07 v 1 281.32281 +35.80756 247
2021-06-18 07:03:39 V 19 21 05.05 +01 31 26.8 13.4 V 247
2021-06-18 07:03:39 v 1 281.32281 +35.80756 247
2021-06-18 07:03:56 V 19 21 10.56 +01 31 16.2 13.7 V 247
2021-06-18 07:03:56 v 1 238.27236 +37.98630 247
2021-06-18 07:04:10 V 19 21 04.88 +01 31 18.2 13.5 V 247
2021-06-18 07:04:10 v 1 281.32281 +35.80756 247
2021-06-18 07:04:28 V 19 21 10.38 +01 31 06.1 13.6 V 247
2021-06-18 07:04:28 v 1 238.27236 +37.98630 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)