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 06:44:15 V 19 21 10.28 +01 37 04.5 13.5 V 247
2021-06-18 06:44:15 v 1 281.32281 +35.80756 247
2021-06-18 06:45:18 V 19 21 09.95 +01 36 45.5 13.5 V 247
2021-06-18 06:45:18 v 1 281.32281 +35.80756 247
2021-06-18 06:45:50 V 19 21 09.82 +01 36 38.2 13.5 V 247
2021-06-18 06:45:50 v 1 281.32281 +35.80756 247
2021-06-18 06:49:07 V 19 21 14.43 +01 35 34.1 13.6 V 247
2021-06-18 06:49:07 v 1 238.27236 +37.98630 247
2021-06-18 06:49:38 V 19 21 14.30 +01 35 24.3 13.8 V 247
2021-06-18 06:49:38 v 1 238.27236 +37.98630 247
2021-06-18 06:50:10 V 19 21 14.19 +01 35 16.3 13.8 V 247
2021-06-18 06:50:10 v 1 238.27236 +37.98630 247
2021-06-18 06:50:42 V 19 21 14.05 +01 35 07.4 13.5 V 247
2021-06-18 06:50:42 v 1 238.27236 +37.98630 247
2021-06-18 06:51:14 V 19 21 13.89 +01 34 57.9 13.6 V 247
2021-06-18 06:51:14 v 1 238.27236 +37.98630 247
2021-06-18 06:51:45 V 19 21 13.82 +01 34 48.8 13.7 V 247
2021-06-18 06:51:45 v 1 238.27236 +37.98630 247
2021-06-18 06:52:00 V 19 21 08.17 +01 34 49.7 13.5 V 247
2021-06-18 06:52:00 v 1 281.32281 +35.80756 247
2021-06-18 06:52:17 V 19 21 13.62 +01 34 38.9 13.8 V 247
2021-06-18 06:52:17 v 1 238.27236 +37.98630 247
2021-06-18 06:53:03 V 19 21 07.92 +01 34 30.8 13.4 V 247
2021-06-18 06:53:03 v 1 281.32281 +35.80756 247
2021-06-18 06:53:21 V 19 21 13.29 +01 34 19.6 13.4 V 247
2021-06-18 06:53:21 v 1 238.27236 +37.98630 247
2021-06-18 06:53:35 V 19 21 07.76 +01 34 21.8 13.4 V 247
2021-06-18 06:53:35 v 1 281.32281 +35.80756 247
2021-06-18 06:53:53 V 19 21 13.20 +01 34 11.0 13.8 V 247
2021-06-18 06:53:53 v 1 238.27236 +37.98630 247
2021-06-18 06:54:07 V 19 21 07.62 +01 34 12.7 13.7 V 247
2021-06-18 06:54:07 v 1 281.32281 +35.80756 247
2021-06-18 06:54:24 V 19 21 13.04 +01 34 02.6 13.7 V 247
2021-06-18 06:54:24 v 1 238.27236 +37.98630 247
2021-06-18 06:54:39 V 19 21 07.50 +01 34 03.9 13.6 V 247
2021-06-18 06:54:39 v 1 281.32281 +35.80756 247
2021-06-18 06:54:56 V 19 21 12.89 +01 33 52.2 13.4 V 247
2021-06-18 06:54:56 v 1 238.27236 +37.98630 247
2021-06-18 06:55:10 V 19 21 07.33 +01 33 53.8 13.7 V 247
2021-06-18 06:55:10 v 1 281.32281 +35.80756 247
2021-06-18 06:55:28 V 19 21 12.81 +01 33 44.2 13.5 V 247
2021-06-18 06:55:28 v 1 238.27236 +37.98630 247
2021-06-18 06:55:42 V 19 21 07.20 +01 33 45.1 13.5 V 247
2021-06-18 06:55:42 v 1 281.32281 +35.80756 247
2021-06-18 06:56:00 V 19 21 12.65 +01 33 34.6 13.8 V 247
2021-06-18 06:56:00 v 1 238.27236 +37.98630 247
2021-06-18 06:56:31 V 19 21 12.49 +01 33 25.2 13.9 V 247
2021-06-18 06:56:31 v 1 238.27236 +37.98630 247
2021-06-18 06:56:46 V 19 21 06.89 +01 33 26.2 13.8 V 247
2021-06-18 06:56:46 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)