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
2021-06-17 12:51:01 v 1 140.20198 +36.17830 247
2021-06-17 12:51:33 V 19 25 39.17 +07 00 34.8 14.0 V 247
2021-06-17 12:51:33 v 1 140.20198 +36.17830 247
2021-06-17 12:52:05 V 19 25 39.12 +07 00 25.8 13.9 V 247
2021-06-17 12:52:05 v 1 140.20198 +36.17830 247
2021-06-17 12:52:37 V 19 25 38.90 +07 00 15.3 13.9 V 247
2021-06-17 12:52:37 v 1 140.20198 +36.17830 247
2021-06-17 12:53:09 V 19 25 38.73 +07 00 05.2 13.7 V 247
2021-06-17 12:53:09 v 1 140.20198 +36.17830 247
2021-06-17 12:53:40 V 19 25 38.61 +06 59 55.1 13.8 V 247
2021-06-17 12:53:40 v 1 140.20198 +36.17830 247
2021-06-17 12:54:12 V 19 25 38.38 +06 59 44.8 13.8 V 247
2021-06-17 12:54:12 v 1 140.20198 +36.17830 247
2021-06-17 12:54:44 V 19 25 38.33 +06 59 34.5 13.7 V 247
2021-06-17 12:54:44 v 1 140.20198 +36.17830 247
2021-06-17 12:55:16 V 19 25 38.19 +06 59 26.4 14.0 V 247
2021-06-17 12:55:16 v 1 140.20198 +36.17830 247
2021-06-17 12:55:47 V 19 25 38.00 +06 59 15.2 13.9 V 247
2021-06-17 12:55:47 v 1 140.20198 +36.17830 247
2021-06-17 12:56:19 V 19 25 37.88 +06 59 05.6 13.8 V 247
2021-06-17 12:56:19 v 1 140.20198 +36.17830 247
2021-06-17 12:56:51 V 19 25 37.71 +06 58 55.9 13.7 V 247
2021-06-17 12:56:51 v 1 140.20198 +36.17830 247
2021-06-17 12:57:23 V 19 25 37.57 +06 58 46.9 13.5 V 247
2021-06-17 12:57:23 v 1 140.20198 +36.17830 247
2021-06-17 12:58:26 V 19 25 37.29 +06 58 27.2 14.0 V 247
2021-06-17 12:58:26 v 1 140.20198 +36.17830 247
2021-06-17 12:58:58 V 19 25 37.15 +06 58 17.7 14.0 V 247
2021-06-17 12:58:58 v 1 140.20198 +36.17830 247
2021-06-17 12:59:30 V 19 25 36.97 +06 58 07.0 13.8 V 247
2021-06-17 12:59:30 v 1 140.20198 +36.17830 247
2021-06-17 13:00:02 V 19 25 36.81 +06 57 58.3 13.7 V 247
2021-06-17 13:00:02 v 1 140.20198 +36.17830 247
2021-06-17 13:00:33 V 19 25 36.67 +06 57 46.7 13.9 V 247
2021-06-17 13:00:33 v 1 140.20198 +36.17830 247
2021-06-17 13:01:05 V 19 25 36.55 +06 57 39.0 13.8 V 247
2021-06-17 13:01:05 v 1 140.20198 +36.17830 247
2021-06-17 13:01:37 V 19 25 36.41 +06 57 28.0 13.8 V 247
2021-06-17 13:01:37 v 1 140.20198 +36.17830 247
2021-06-17 13:02:09 V 19 25 36.17 +06 57 17.2 13.8 V 247
2021-06-17 13:02:09 v 1 140.20198 +36.17830 247
2021-06-17 13:02:40 V 19 25 36.08 +06 57 07.5 13.8 V 247
2021-06-17 13:02:40 v 1 140.20198 +36.17830 247
2021-06-17 13:03:12 V 19 25 35.97 +06 56 59.3 13.7 V 247
2021-06-17 13:03:12 v 1 140.20198 +36.17830 247
2021-06-17 13:03:44 V 19 25 35.80 +06 56 47.8 13.6 V 247
2021-06-17 13:03:44 v 1 140.20198 +36.17830 247
2021-06-17 13:04:16 V 19 25 35.61 +06 56 38.4 13.7 V 247
2021-06-17 13:04:16 v 1 140.20198 +36.17830 247
2021-06-17 13:04:47 V 19 25 35.47 +06 56 29.2 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)