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 16:50:18 v 1 138.70718 +36.35424 247
2021-06-20 16:50:50 V 19 08 58.61 -13 06 05.1 13.6 V 247
2021-06-20 16:50:50 v 1 138.70718 +36.35424 247
2021-06-20 16:51:21 V 19 08 58.48 -13 06 13.8 13.6 V 247
2021-06-20 16:51:21 v 1 138.70718 +36.35424 247
2021-06-20 16:51:53 V 19 08 58.34 -13 06 19.9 14.4 V 247
2021-06-20 16:51:53 v 1 138.70718 +36.35424 247
2021-06-20 16:52:57 V 19 08 58.12 -13 06 32.7 14.0 V 247
2021-06-20 16:52:57 v 1 138.70718 +36.35424 247
2021-06-20 16:53:28 V 19 08 58.04 -13 06 39.4 13.0 V 247
2021-06-20 16:53:28 v 1 138.70718 +36.35424 247
2021-06-20 16:54:32 V 19 08 57.75 -13 06 54.4 13.1 V 247
2021-06-20 16:54:32 v 1 138.70718 +36.35424 247
2021-06-20 16:55:04 V 19 08 57.57 -13 07 00.9 13.9 V 247
2021-06-20 16:55:04 v 1 138.70718 +36.35424 247
2021-06-20 16:56:43 V 19 08 57.38 -13 07 21.2 12.6 V 247
2021-06-20 16:56:43 v 1 138.70718 +36.35424 247
2021-06-20 16:57:15 V 19 08 57.22 -13 07 28.9 13.3 V 247
2021-06-20 16:57:15 v 1 138.70718 +36.35424 247
2021-06-20 16:57:47 V 19 08 57.12 -13 07 36.1 13.3 V 247
2021-06-20 16:57:47 v 1 138.70718 +36.35424 247
2021-06-20 16:58:18 V 19 08 56.94 -13 07 42.7 13.5 V 247
2021-06-20 16:58:18 v 1 138.70718 +36.35424 247
2021-06-20 16:58:50 V 19 08 56.84 -13 07 49.4 13.6 V 247
2021-06-20 16:58:50 v 1 138.70718 +36.35424 247
2021-06-20 16:59:22 V 19 08 56.77 -13 07 55.2 13.7 V 247
2021-06-20 16:59:22 v 1 138.70718 +36.35424 247
2021-06-20 16:59:54 V 19 08 56.67 -13 08 03.3 13.5 V 247
2021-06-20 16:59:54 v 1 138.70718 +36.35424 247
2021-06-20 17:00:25 V 19 08 56.53 -13 08 10.0 13.3 V 247
2021-06-20 17:00:25 v 1 138.70718 +36.35424 247
2021-06-20 17:00:57 V 19 08 56.40 -13 08 18.3 13.4 V 247
2021-06-20 17:00:57 v 1 138.70718 +36.35424 247
2021-06-20 17:01:29 V 19 08 56.30 -13 08 23.4 13.4 V 247
2021-06-20 17:01:29 v 1 138.70718 +36.35424 247
2021-06-20 17:02:01 V 19 08 56.20 -13 08 29.2 13.4 V 247
2021-06-20 17:02:01 v 1 138.70718 +36.35424 247
2021-06-20 17:02:32 V 19 08 56.05 -13 08 37.1 13.6 V 247
2021-06-20 17:02:32 v 1 138.70718 +36.35424 247
2021-06-20 17:03:04 V 19 08 55.93 -13 08 43.2 13.6 V 247
2021-06-20 17:03:04 v 1 138.70718 +36.35424 247
2021-06-20 17:03:36 V 19 08 55.82 -13 08 51.2 13.3 V 247
2021-06-20 17:03:36 v 1 138.70718 +36.35424 247
2021-06-20 17:04:08 V 19 08 55.72 -13 08 57.1 13.5 V 247
2021-06-20 17:04:08 v 1 138.70718 +36.35424 247
2021-06-20 17:04:40 V 19 08 55.59 -13 09 04.0 13.4 V 247
2021-06-20 17:04:40 v 1 138.70718 +36.35424 247
2021-06-20 17:05:11 V 19 08 55.50 -13 09 11.2 13.2 V 247
2021-06-20 17:05:11 v 1 138.70718 +36.35424 247
2021-06-20 17:05:43 V 19 08 55.43 -13 09 16.9 13.2 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)