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 15:43:01 v 1 140.16761 +36.07639 247
2021-06-21 15:43:41 V 19 04 55.31 -17 41 51.6 13.4 V 247
2021-06-21 15:43:41 v 1 140.16761 +36.07639 247
2021-06-21 15:44:21 V 19 04 55.16 -17 41 59.2 13.6 V 247
2021-06-21 15:44:21 v 1 140.16761 +36.07639 247
2021-06-21 15:45:00 V 19 04 55.03 -17 42 06.8 13.4 V 247
2021-06-21 15:45:00 v 1 140.16761 +36.07639 247
2021-06-21 15:45:40 V 19 04 54.90 -17 42 14.3 13.3 V 247
2021-06-21 15:45:40 v 1 140.16761 +36.07639 247
2021-06-21 15:46:20 V 19 04 54.76 -17 42 21.7 13.2 V 247
2021-06-21 15:46:20 v 1 140.16761 +36.07639 247
2021-06-21 15:47:00 V 19 04 54.62 -17 42 28.6 13.4 V 247
2021-06-21 15:47:00 v 1 140.16761 +36.07639 247
2021-06-21 15:47:39 V 19 04 54.52 -17 42 36.0 13.6 V 247
2021-06-21 15:47:39 v 1 140.16761 +36.07639 247
2021-06-21 15:48:19 V 19 04 54.36 -17 42 43.9 13.4 V 247
2021-06-21 15:48:19 v 1 140.16761 +36.07639 247
2021-06-21 15:48:59 V 19 04 54.25 -17 42 51.0 13.3 V 247
2021-06-21 15:48:59 v 1 140.16761 +36.07639 247
2021-06-21 15:49:38 V 19 04 54.13 -17 42 58.8 13.1 V 247
2021-06-21 15:49:38 v 1 140.16761 +36.07639 247
2021-06-21 15:50:18 V 19 04 53.95 -17 43 06.7 13.2 V 247
2021-06-21 15:50:18 v 1 140.16761 +36.07639 247
2021-06-21 15:50:58 V 19 04 53.83 -17 43 13.6 13.5 V 247
2021-06-21 15:50:58 v 1 140.16761 +36.07639 247
2021-06-21 15:51:38 V 19 04 53.69 -17 43 21.2 13.4 V 247
2021-06-21 15:51:38 v 1 140.16761 +36.07639 247
2021-06-21 15:52:17 V 19 04 53.55 -17 43 28.4 13.3 V 247
2021-06-21 15:52:17 v 1 140.16761 +36.07639 247
2021-06-21 15:52:57 V 19 04 53.43 -17 43 36.0 13.6 V 247
2021-06-21 15:52:57 v 1 140.16761 +36.07639 247
2021-06-21 15:53:37 V 19 04 53.31 -17 43 42.9 13.8 V 247
2021-06-21 15:53:37 v 1 140.16761 +36.07639 247
2021-06-21 15:54:16 V 19 04 53.15 -17 43 50.8 13.3 V 247
2021-06-21 15:54:16 v 1 140.16761 +36.07639 247
2021-06-21 15:54:56 V 19 04 53.03 -17 43 58.1 13.0 V 247
2021-06-21 15:54:56 v 1 140.16761 +36.07639 247
2021-06-21 15:55:36 V 19 04 52.89 -17 44 05.9 13.0 V 247
2021-06-21 15:55:36 v 1 140.16761 +36.07639 247
2021-06-21 15:56:16 V 19 04 52.76 -17 44 13.2 13.3 V 247
2021-06-21 15:56:16 v 1 140.16761 +36.07639 247
2021-06-21 15:56:55 V 19 04 52.64 -17 44 20.2 13.5 V 247
2021-06-21 15:56:55 v 1 140.16761 +36.07639 247
2021-06-21 15:57:35 V 19 04 52.48 -17 44 28.1 13.3 V 247
2021-06-21 15:57:35 v 1 140.16761 +36.07639 247
2021-06-21 15:58:15 V 19 04 52.37 -17 44 35.0 13.2 V 247
2021-06-21 15:58:15 v 1 140.16761 +36.07639 247
2021-06-21 15:58:54 V 19 04 52.23 -17 44 42.7 13.5 V 247
2021-06-21 15:58:54 v 1 140.16761 +36.07639 247
2021-06-21 15:59:34 V 19 04 52.06 -17 44 50.4 13.1 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)