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 07:48:16 V 19 20 58.86 +01 18 22.9 13.7 V 247
2021-06-18 07:48:16 v 1 238.27236 +37.98630 247
2021-06-18 07:48:48 V 19 20 58.70 +01 18 14.4 13.5 V 247
2021-06-18 07:48:48 v 1 238.27236 +37.98630 247
2021-06-18 07:49:20 V 19 20 58.57 +01 18 05.3 13.6 V 247
2021-06-18 07:49:20 v 1 238.27236 +37.98630 247
2021-06-18 07:49:52 V 19 20 58.49 +01 17 56.8 13.6 V 247
2021-06-18 07:49:52 v 1 238.27236 +37.98630 247
2021-06-18 07:52:05 V 19 20 57.83 +01 17 16.8 13.6 V 247
2021-06-18 07:52:05 v 1 238.27236 +37.98630 247
2021-06-18 07:52:37 V 19 20 57.70 +01 17 08.7 13.4 V 247
2021-06-18 07:52:37 v 1 238.27236 +37.98630 247
2021-06-18 07:53:08 V 19 20 57.55 +01 16 58.8 13.6 V 247
2021-06-18 07:53:08 v 1 238.27236 +37.98630 247
2021-06-18 07:53:40 V 19 20 57.43 +01 16 49.9 13.5 V 247
2021-06-18 07:53:40 v 1 238.27236 +37.98630 247
2021-06-18 07:54:12 V 19 20 57.29 +01 16 40.2 13.4 V 247
2021-06-18 07:54:12 v 1 238.27236 +37.98630 247
2021-06-18 07:54:44 V 19 20 57.19 +01 16 32.2 13.5 V 247
2021-06-18 07:54:44 v 1 238.27236 +37.98630 247
2021-06-18 07:55:16 V 19 20 56.98 +01 16 22.0 13.6 V 247
2021-06-18 07:55:16 v 1 238.27236 +37.98630 247
2021-06-18 07:55:47 V 19 20 56.86 +01 16 12.8 13.7 V 247
2021-06-18 07:55:47 v 1 238.27236 +37.98630 247
2021-06-18 07:56:19 V 19 20 56.73 +01 16 04.4 13.4 V 247
2021-06-18 07:56:19 v 1 238.27236 +37.98630 247
2021-06-18 07:56:51 V 19 20 56.58 +01 15 55.1 13.4 V 247
2021-06-18 07:56:51 v 1 238.27236 +37.98630 247
2021-06-18 07:57:18 V 19 20 50.54 +01 15 50.7 13.5 V 247
2021-06-18 07:57:18 v 1 281.32281 +35.80756 247
2021-06-18 07:57:23 V 19 20 56.42 +01 15 45.5 13.6 V 247
2021-06-18 07:57:23 v 1 238.27236 +37.98630 247
2021-06-18 07:57:50 V 19 20 50.40 +01 15 42.8 13.7 V 247
2021-06-18 07:57:50 v 1 281.32281 +35.80756 247
2021-06-18 07:57:54 V 19 20 56.31 +01 15 36.7 13.6 V 247
2021-06-18 07:57:54 v 1 238.27236 +37.98630 247
2021-06-18 07:58:21 V 19 20 50.27 +01 15 33.0 13.6 V 247
2021-06-18 07:58:21 v 1 281.32281 +35.80756 247
2021-06-18 07:58:26 V 19 20 56.17 +01 15 27.4 13.6 V 247
2021-06-18 07:58:26 v 1 238.27236 +37.98630 247
2021-06-18 07:59:30 V 19 20 55.86 +01 15 09.2 13.6 V 247
2021-06-18 07:59:30 v 1 238.27236 +37.98630 247
2021-06-18 08:00:01 V 19 20 55.76 +01 15 00.1 13.8 V 247
2021-06-18 08:00:01 v 1 238.27236 +37.98630 247
2021-06-18 08:01:00 V 19 20 49.56 +01 14 47.3 14.7 V 247
2021-06-18 08:01:00 v 1 281.32281 +35.80756 247
2021-06-18 08:01:32 V 19 20 49.39 +01 14 37.6 13.6 V 247
2021-06-18 08:01:32 v 1 281.32281 +35.80756 247
2021-06-18 08:01:37 V 19 20 55.29 +01 14 31.8 13.6 V 247
2021-06-18 08:01:37 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)