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
2021-06-15 04:51:11 V 19 41 54.32 +25 28 39.7 13.6 V 247
2021-06-15 04:51:11 v 1 238.27235 +37.98607 247
2021-06-15 04:52:15 V 19 41 54.02 +25 28 20.0 13.9 V 247
2021-06-15 04:52:15 v 1 238.27235 +37.98607 247
2021-06-15 04:53:50 V 19 41 53.49 +25 27 47.1 14.6 V 247
2021-06-15 04:53:50 v 1 238.27235 +37.98607 247
2021-06-15 04:54:54 V 19 41 53.07 +25 27 24.9 14.6 V 247
2021-06-15 04:54:54 v 1 238.27235 +37.98607 247
2021-06-15 04:55:26 V 19 41 52.86 +25 27 13.9 14.1 V 247
2021-06-15 04:55:26 v 1 238.27235 +37.98607 247
2021-06-15 04:55:57 V 19 41 52.70 +25 27 06.1 13.9 V 247
2021-06-15 04:55:57 v 1 238.27235 +37.98607 247
2021-06-15 04:56:29 V 19 41 52.50 +25 26 54.8 14.3 V 247
2021-06-15 04:56:29 v 1 238.27235 +37.98607 247
2021-06-15 04:57:01 V 19 41 52.34 +25 26 43.3 15.1 V 247
2021-06-15 04:57:01 v 1 238.27235 +37.98607 247
2021-06-15 04:59:08 V 19 41 51.66 +25 26 01.4 14.2 V 247
2021-06-15 04:59:08 v 1 238.27235 +37.98607 247
2021-06-15 04:59:40 V 19 41 51.44 +25 25 49.9 14.1 V 247
2021-06-15 04:59:40 v 1 238.27235 +37.98607 247
2021-06-15 05:00:12 V 19 41 51.27 +25 25 41.2 14.8 V 247
2021-06-15 05:00:12 v 1 238.27235 +37.98607 247
2021-06-15 05:00:43 V 19 41 51.13 +25 25 31.7 14.9 V 247
2021-06-15 05:00:43 v 1 238.27235 +37.98607 247
2021-06-15 05:04:26 V 19 41 49.86 +25 24 17.5 15.7 V 247
2021-06-15 05:04:26 v 1 238.27235 +37.98607 247
2021-06-15 05:05:29 V 19 41 49.51 +25 23 55.8 13.9 V 247
2021-06-15 05:05:29 v 1 238.27235 +37.98607 247
2021-06-15 05:06:01 V 19 41 49.34 +25 23 44.6 14.5 V 247
2021-06-15 05:06:01 v 1 238.27235 +37.98607 247
2021-06-15 05:06:33 V 19 41 49.14 +25 23 34.7 14.8 V 247
2021-06-15 05:06:33 v 1 238.27235 +37.98607 247
2021-06-15 05:07:36 V 19 41 48.75 +25 23 14.1 16.2 V 247
2021-06-15 05:07:36 v 1 238.27235 +37.98607 247
2021-06-15 05:08:08 V 19 41 48.62 +25 23 02.7 14.3 V 247
2021-06-15 05:08:08 v 1 238.27235 +37.98607 247
2021-06-15 05:08:40 V 19 41 48.41 +25 22 52.4 14.3 V 247
2021-06-15 05:08:40 v 1 238.27235 +37.98607 247
2021-06-15 05:09:12 V 19 41 48.21 +25 22 40.7 14.7 V 247
2021-06-15 05:09:12 v 1 238.27235 +37.98607 247
2021-06-15 05:10:47 V 19 41 47.71 +25 22 09.6 14.6 V 247
2021-06-15 05:10:47 v 1 238.27235 +37.98607 247
2021-06-15 05:11:19 V 19 41 47.51 +25 21 59.6 14.7 V 247
2021-06-15 05:11:19 v 1 238.27235 +37.98607 247
2021-06-15 05:12:22 V 19 41 47.10 +25 21 37.4 14.3 V 247
2021-06-15 05:12:22 v 1 238.27235 +37.98607 247
2021-06-15 05:13:26 V 19 41 46.76 +25 21 15.8 14.6 V 247
2021-06-15 05:13:26 v 1 238.27235 +37.98607 247
2021-06-15 05:14:29 V 19 41 46.41 +25 20 55.1 14.6 V 247
2021-06-15 05:14:29 v 1 238.27235 +37.98607 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)