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 07:21:39 V 19 21 00.14 +01 26 13.3 13.3 V 247
2021-06-18 07:21:39 v 1 281.32281 +35.80756 247
2021-06-18 07:22:11 V 19 20 59.98 +01 26 03.7 13.3 V 247
2021-06-18 07:22:11 v 1 281.32281 +35.80756 247
2021-06-18 07:22:42 V 19 20 59.84 +01 25 55.1 13.5 V 247
2021-06-18 07:22:42 v 1 281.32281 +35.80756 247
2021-06-18 07:23:14 V 19 20 59.71 +01 25 45.5 13.6 V 247
2021-06-18 07:23:14 v 1 281.32281 +35.80756 247
2021-06-18 07:23:46 V 19 20 59.57 +01 25 36.5 13.3 V 247
2021-06-18 07:23:46 v 1 281.32281 +35.80756 247
2021-06-18 07:25:53 V 19 20 58.98 +01 24 59.0 12.4 V 247
2021-06-18 07:25:53 v 1 281.32281 +35.80756 247
2021-06-18 07:26:25 V 19 20 58.83 +01 24 49.7 12.9 V 247
2021-06-18 07:26:25 v 1 281.32281 +35.80756 247
2021-06-18 07:35:34 V 19 21 02.25 +01 22 05.4 13.4 V 247
2021-06-18 07:35:34 v 1 238.27236 +37.98630 247
2021-06-18 07:36:37 V 19 21 02.01 +01 21 47.4 13.4 V 247
2021-06-18 07:36:37 v 1 238.27236 +37.98630 247
2021-06-18 07:37:09 V 19 21 01.79 +01 21 36.1 13.6 V 247
2021-06-18 07:37:09 v 1 238.27236 +37.98630 247
2021-06-18 07:37:41 V 19 21 01.66 +01 21 26.7 13.8 V 247
2021-06-18 07:37:41 v 1 238.27236 +37.98630 247
2021-06-18 07:38:13 V 19 21 01.55 +01 21 18.9 13.7 V 247
2021-06-18 07:38:13 v 1 238.27236 +37.98630 247
2021-06-18 07:38:44 V 19 21 01.39 +01 21 09.7 13.7 V 247
2021-06-18 07:38:44 v 1 238.27236 +37.98630 247
2021-06-18 07:39:16 V 19 21 01.24 +01 20 59.5 13.7 V 247
2021-06-18 07:39:16 v 1 238.27236 +37.98630 247
2021-06-18 07:39:48 V 19 21 01.12 +01 20 50.7 13.6 V 247
2021-06-18 07:39:48 v 1 238.27236 +37.98630 247
2021-06-18 07:40:20 V 19 21 00.97 +01 20 40.5 13.5 V 247
2021-06-18 07:40:20 v 1 238.27236 +37.98630 247
2021-06-18 07:40:51 V 19 21 00.80 +01 20 32.7 13.6 V 247
2021-06-18 07:40:51 v 1 238.27236 +37.98630 247
2021-06-18 07:41:23 V 19 21 00.68 +01 20 23.6 13.2 V 247
2021-06-18 07:41:23 v 1 238.27236 +37.98630 247
2021-06-18 07:43:30 V 19 21 00.14 +01 19 46.9 14.0 V 247
2021-06-18 07:43:30 v 1 238.27236 +37.98630 247
2021-06-18 07:44:02 V 19 21 00.00 +01 19 37.7 14.2 V 247
2021-06-18 07:44:02 v 1 238.27236 +37.98630 247
2021-06-18 07:44:34 V 19 20 59.80 +01 19 27.5 14.5 V 247
2021-06-18 07:44:34 v 1 238.27236 +37.98630 247
2021-06-18 07:45:06 V 19 20 59.71 +01 19 19.4 13.6 V 247
2021-06-18 07:45:06 v 1 238.27236 +37.98630 247
2021-06-18 07:46:41 V 19 20 59.27 +01 18 51.4 13.2 V 247
2021-06-18 07:46:41 v 1 238.27236 +37.98630 247
2021-06-18 07:47:13 V 19 20 59.11 +01 18 41.5 14.6 V 247
2021-06-18 07:47:13 v 1 238.27236 +37.98630 247
2021-06-18 07:47:44 V 19 20 59.01 +01 18 33.1 13.9 V 247
2021-06-18 07:47:44 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)