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 05:15:01 V 19 41 46.23 +25 20 43.2 15.3 V 247
2021-06-15 05:15:01 v 1 238.27235 +37.98607 247
2021-06-15 05:16:05 V 19 41 45.88 +25 20 25.1 13.8 V 247
2021-06-15 05:16:05 v 1 238.27235 +37.98607 247
2021-06-15 05:16:36 V 19 41 45.75 +25 20 13.8 13.9 V 247
2021-06-15 05:16:36 v 1 238.27235 +37.98607 247
2021-06-15 05:17:08 V 19 41 45.54 +25 20 02.0 15.1 V 247
2021-06-15 05:17:08 v 1 238.27235 +37.98607 247
2021-06-15 05:17:40 V 19 41 45.35 +25 19 53.7 14.6 V 247
2021-06-15 05:17:40 v 1 238.27235 +37.98607 247
2021-06-15 05:18:43 V 19 41 45.01 +25 19 30.6 15.0 V 247
2021-06-15 05:18:43 v 1 238.27235 +37.98607 247
2021-06-15 05:19:47 V 19 41 44.79 +25 19 10.1 13.6 V 247
2021-06-15 05:19:47 v 1 238.27235 +37.98607 247
2021-06-15 05:31:04 V 19 41 40.72 +25 15 22.9 14.3 V 247
2021-06-15 05:31:04 v 1 238.27235 +37.98607 247
2021-06-15 05:32:07 V 19 41 40.42 +25 15 03.1 14.6 V 247
2021-06-15 05:32:07 v 1 238.27235 +37.98607 247
2021-06-15 05:32:39 V 19 41 40.18 +25 14 51.5 14.8 V 247
2021-06-15 05:32:39 v 1 238.27235 +37.98607 247
2021-06-15 05:33:11 V 19 41 40.08 +25 14 42.8 14.0 V 247
2021-06-15 05:33:11 v 1 238.27235 +37.98607 247
2021-06-15 05:33:43 V 19 41 39.94 +25 14 33.0 13.7 V 247
2021-06-15 05:33:43 v 1 238.27235 +37.98607 247
2021-06-15 05:35:18 V 19 41 39.32 +25 13 59.2 14.5 V 247
2021-06-15 05:35:18 v 1 238.27235 +37.98607 247
2021-06-15 05:36:53 V 19 41 38.81 +25 13 28.8 14.6 V 247
2021-06-15 05:36:53 v 1 238.27235 +37.98607 247
2021-06-15 05:37:25 V 19 41 38.59 +25 13 17.7 14.5 V 247
2021-06-15 05:37:25 v 1 238.27235 +37.98607 247
2021-06-15 05:37:57 V 19 41 38.40 +25 13 07.6 14.8 V 247
2021-06-15 05:37:57 v 1 238.27235 +37.98607 247
2021-06-15 05:39:00 V 19 41 38.04 +25 12 45.9 14.4 V 247
2021-06-15 05:39:00 v 1 238.27235 +37.98607 247
2021-06-15 05:39:32 V 19 41 37.87 +25 12 36.3 14.5 V 247
2021-06-15 05:39:32 v 1 238.27235 +37.98607 247
2021-06-15 05:40:04 V 19 41 37.64 +25 12 23.9 14.6 V 247
2021-06-15 05:40:04 v 1 238.27235 +37.98607 247
2021-06-15 05:40:36 V 19 41 37.52 +25 12 15.1 14.3 V 247
2021-06-15 05:40:36 v 1 238.27235 +37.98607 247
2021-06-15 05:41:08 V 19 41 37.34 +25 12 03.8 14.5 V 247
2021-06-15 05:41:08 v 1 238.27235 +37.98607 247
2021-06-15 05:42:43 V 19 41 36.79 +25 11 31.9 14.2 V 247
2021-06-15 05:42:43 v 1 238.27235 +37.98607 247
2021-06-15 05:44:50 V 19 41 36.09 +25 10 51.0 14.2 V 247
2021-06-15 05:44:50 v 1 238.27235 +37.98607 247
2021-06-15 05:45:22 V 19 41 35.81 +25 10 38.2 14.6 V 247
2021-06-15 05:45:22 v 1 238.27235 +37.98607 247
2021-06-15 05:45:53 V 19 41 35.66 +25 10 28.2 14.7 V 247
2021-06-15 05:45:53 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)