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
2021-06-20 18:00:57 v 1 138.70718 +36.35424 247
2021-06-20 18:01:29 V 19 08 43.44 -13 21 11.4 13.3 V 247
2021-06-20 18:01:29 v 1 138.70718 +36.35424 247
2021-06-20 18:02:00 V 19 08 43.23 -13 21 19.4 13.3 V 247
2021-06-20 18:02:00 v 1 138.70718 +36.35424 247
2021-06-20 18:02:32 V 19 08 43.18 -13 21 24.4 13.5 V 247
2021-06-20 18:02:32 v 1 138.70718 +36.35424 247
2021-06-20 18:03:04 V 19 08 43.04 -13 21 33.2 13.3 V 247
2021-06-20 18:03:04 v 1 138.70718 +36.35424 247
2021-06-20 18:04:43 V 19 08 42.72 -13 21 53.1 13.3 V 247
2021-06-20 18:04:43 v 1 138.70718 +36.35424 247
2021-06-20 18:10:15 V 19 08 41.43 -13 23 03.5 13.4 V 247
2021-06-20 18:10:15 v 1 138.70718 +36.35424 247
2021-06-20 18:11:22 V 19 08 41.28 -13 23 19.1 13.4 V 247
2021-06-20 18:11:22 v 1 138.70718 +36.35424 247
2021-06-20 18:11:54 V 19 08 41.18 -13 23 24.8 13.4 V 247
2021-06-20 18:11:54 v 1 138.70718 +36.35424 247
2021-06-20 18:12:28 V 19 08 41.06 -13 23 30.5 13.4 V 247
2021-06-20 18:12:28 v 1 138.70718 +36.35424 247
2021-06-20 18:15:21 V 19 08 40.36 -13 24 08.3 13.2 V 247
2021-06-20 18:15:21 v 1 138.70718 +36.35424 247
2021-06-20 18:18:57 V 19 08 39.66 -13 24 55.2 13.4 V 247
2021-06-20 18:18:57 v 1 138.70718 +36.35424 247
2021-06-20 18:19:31 V 19 08 39.57 -13 25 01.2 13.5 V 247
2021-06-20 18:19:31 v 1 138.70718 +36.35424 247
2021-06-20 18:20:03 V 19 08 39.47 -13 25 08.1 13.4 V 247
2021-06-20 18:20:03 v 1 138.70718 +36.35424 247
2021-06-20 18:21:18 V 19 08 39.09 -13 25 23.8 13.3 V 247
2021-06-20 18:21:18 v 1 138.70718 +36.35424 247
2021-06-20 18:21:50 V 19 08 39.08 -13 25 32.2 13.6 V 247
2021-06-20 18:21:50 v 1 138.70718 +36.35424 247
2021-06-20 18:22:22 V 19 08 38.97 -13 25 38.3 13.4 V 247
2021-06-20 18:22:22 v 1 138.70718 +36.35424 247
2021-06-20 18:22:53 V 19 08 38.86 -13 25 44.8 13.5 V 247
2021-06-20 18:22:53 v 1 138.70718 +36.35424 247
2021-06-20 18:23:25 V 19 08 38.74 -13 25 51.2 13.3 V 247
2021-06-20 18:23:25 v 1 138.70718 +36.35424 247
2021-06-20 18:23:57 V 19 08 38.51 -13 25 57.4 13.4 V 247
2021-06-20 18:23:57 v 1 138.70718 +36.35424 247
2021-06-20 18:24:29 V 19 08 38.52 -13 26 05.0 13.4 V 247
2021-06-20 18:24:29 v 1 138.70718 +36.35424 247
2021-06-20 18:25:00 V 19 08 38.40 -13 26 09.5 13.7 V 247
2021-06-20 18:25:00 v 1 138.70718 +36.35424 247
2021-06-20 18:26:56 V 19 08 37.99 -13 26 36.0 13.5 V 247
2021-06-20 18:26:56 v 1 138.70718 +36.35424 247
2021-06-20 18:27:27 V 19 08 37.89 -13 26 42.4 13.6 V 247
2021-06-20 18:27:27 v 1 138.70718 +36.35424 247
2021-06-20 18:27:59 V 19 08 37.74 -13 26 49.0 13.5 V 247
2021-06-20 18:27:59 v 1 138.70718 +36.35424 247
2021-06-20 18:28:31 V 19 08 37.73 -13 26 55.8 13.3 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)