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
2021-06-21 16:32:04 v 1 140.16761 +36.07639 247
2021-06-21 16:32:43 V 19 04 45.46 -17 51 00.3 13.2 V 247
2021-06-21 16:32:43 v 1 140.16761 +36.07639 247
2021-06-21 16:33:23 V 19 04 45.30 -17 51 07.6 13.2 V 247
2021-06-21 16:33:23 v 1 140.16761 +36.07639 247
2021-06-21 16:34:03 V 19 04 45.16 -17 51 15.1 13.3 V 247
2021-06-21 16:34:03 v 1 140.16761 +36.07639 247
2021-06-21 16:34:43 V 19 04 45.02 -17 51 22.8 13.4 V 247
2021-06-21 16:34:43 v 1 140.16761 +36.07639 247
2021-06-21 16:35:22 V 19 04 44.91 -17 51 29.8 13.3 V 247
2021-06-21 16:35:22 v 1 140.16761 +36.07639 247
2021-06-21 16:36:02 V 19 04 44.78 -17 51 37.0 13.5 V 247
2021-06-21 16:36:02 v 1 140.16761 +36.07639 247
2021-06-21 16:36:42 V 19 04 44.62 -17 51 44.3 13.3 V 247
2021-06-21 16:36:42 v 1 140.16761 +36.07639 247
2021-06-21 16:37:22 V 19 04 44.50 -17 51 51.8 13.4 V 247
2021-06-21 16:37:22 v 1 140.16761 +36.07639 247
2021-06-21 16:38:01 V 19 04 44.37 -17 51 59.6 13.5 V 247
2021-06-21 16:38:01 v 1 140.16761 +36.07639 247
2021-06-21 16:38:41 V 19 04 44.24 -17 52 06.8 13.3 V 247
2021-06-21 16:38:41 v 1 140.16761 +36.07639 247
2021-06-21 16:39:21 V 19 04 44.10 -17 52 14.3 13.5 V 247
2021-06-21 16:39:21 v 1 140.16761 +36.07639 247
2021-06-21 16:40:00 V 19 04 43.96 -17 52 21.4 13.3 V 247
2021-06-21 16:40:00 v 1 140.16761 +36.07639 247
2021-06-21 16:40:40 V 19 04 43.85 -17 52 28.8 13.3 V 247
2021-06-21 16:40:40 v 1 140.16761 +36.07639 247
2021-06-21 16:41:20 V 19 04 43.73 -17 52 35.7 13.2 V 247
2021-06-21 16:41:20 v 1 140.16761 +36.07639 247
2021-06-21 16:41:59 V 19 04 43.58 -17 52 43.9 13.3 V 247
2021-06-21 16:41:59 v 1 140.16761 +36.07639 247
2021-06-21 16:42:39 V 19 04 43.42 -17 52 51.4 13.3 V 247
2021-06-21 16:42:39 v 1 140.16761 +36.07639 247
2021-06-21 16:43:19 V 19 04 43.32 -17 52 58.1 13.5 V 247
2021-06-21 16:43:19 v 1 140.16761 +36.07639 247
2021-06-21 16:43:59 V 19 04 43.18 -17 53 05.9 13.2 V 247
2021-06-21 16:43:59 v 1 140.16761 +36.07639 247
2021-06-21 16:44:38 V 19 04 43.04 -17 53 12.8 13.2 V 247
2021-06-21 16:44:38 v 1 140.16761 +36.07639 247
2021-06-21 16:45:18 V 19 04 42.91 -17 53 20.8 13.2 V 247
2021-06-21 16:45:18 v 1 140.16761 +36.07639 247
2021-06-21 16:45:58 V 19 04 42.80 -17 53 28.1 13.2 V 247
2021-06-21 16:45:58 v 1 140.16761 +36.07639 247
2021-06-21 16:46:37 V 19 04 42.65 -17 53 35.4 13.7 V 247
2021-06-21 16:46:37 v 1 140.16761 +36.07639 247
2021-06-21 16:47:17 V 19 04 42.51 -17 53 42.7 13.3 V 247
2021-06-21 16:47:17 v 1 140.16761 +36.07639 247
2021-06-21 16:49:16 V 19 04 42.14 -17 54 04.5 13.9 V 247
2021-06-21 16:49:16 v 1 140.16761 +36.07639 247
2021-06-21 16:49:56 V 19 04 41.97 -17 54 11.7 13.9 V 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)