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 05:47:29 V 19 41 35.07 +25 09 55.3 14.4 V 247
2021-06-15 05:47:29 v 1 238.27235 +37.98607 247
2021-06-15 05:48:01 V 19 41 34.96 +25 09 46.8 15.3 V 247
2021-06-15 05:48:01 v 1 238.27235 +37.98607 247
2021-06-15 05:49:36 V 19 41 34.37 +25 09 13.4 14.5 V 247
2021-06-15 05:49:36 v 1 238.27235 +37.98607 247
2021-06-15 05:50:39 V 19 41 34.02 +25 08 54.4 14.2 V 247
2021-06-15 05:50:39 v 1 238.27235 +37.98607 247
2021-06-15 05:51:11 V 19 41 33.82 +25 08 41.8 14.5 V 247
2021-06-15 05:51:11 v 1 238.27235 +37.98607 247
2021-06-15 05:51:43 V 19 41 33.70 +25 08 33.3 14.4 V 247
2021-06-15 05:51:43 v 1 238.27235 +37.98607 247
2021-06-15 05:52:15 V 19 41 33.46 +25 08 20.8 14.6 V 247
2021-06-15 05:52:15 v 1 238.27235 +37.98607 247
2021-06-15 05:52:46 V 19 41 33.23 +25 08 10.9 14.5 V 247
2021-06-15 05:52:46 v 1 238.27235 +37.98607 247
2021-06-15 05:54:54 V 19 41 32.54 +25 07 27.6 14.5 V 247
2021-06-15 05:54:54 v 1 238.27235 +37.98607 247
2021-06-15 05:55:25 V 19 41 32.38 +25 07 18.7 15.0 V 247
2021-06-15 05:55:25 v 1 238.27235 +37.98607 247
2021-06-15 05:55:57 V 19 41 32.16 +25 07 07.7 14.8 V 247
2021-06-15 05:55:57 v 1 238.27235 +37.98607 247
2021-06-15 05:56:29 V 19 41 31.98 +25 06 56.0 14.6 V 247
2021-06-15 05:56:29 v 1 238.27235 +37.98607 247
2021-06-15 05:57:01 V 19 41 31.83 +25 06 47.0 13.9 V 247
2021-06-15 05:57:01 v 1 238.27235 +37.98607 247
2021-06-15 05:58:36 V 19 41 31.29 +25 06 15.5 14.5 V 247
2021-06-15 05:58:36 v 1 238.27235 +37.98607 247
2021-06-15 05:59:08 V 19 41 31.04 +25 06 03.0 14.2 V 247
2021-06-15 05:59:08 v 1 238.27235 +37.98607 247
2021-06-15 05:59:39 V 19 41 30.88 +25 05 51.9 14.0 V 247
2021-06-15 05:59:39 v 1 238.27235 +37.98607 247
2021-06-15 06:00:11 V 19 41 30.69 +25 05 41.8 14.0 V 247
2021-06-15 06:00:11 v 1 238.27235 +37.98607 247
2021-06-15 06:00:43 V 19 41 30.53 +25 05 32.2 14.2 V 247
2021-06-15 06:00:43 v 1 238.27235 +37.98607 247
2021-06-15 06:01:15 V 19 41 30.31 +25 05 20.1 14.3 V 247
2021-06-15 06:01:15 v 1 238.27235 +37.98607 247
2021-06-15 06:01:47 V 19 41 30.16 +25 05 09.0 15.7 V 247
2021-06-15 06:01:47 v 1 238.27235 +37.98607 247
2021-06-15 06:16:34 V 19 41 25.01 +25 00 14.8 14.3 V 247
2021-06-15 06:16:34 v 1 238.27235 +37.98607 247
2021-06-15 06:17:06 V 19 41 24.78 +25 00 02.8 14.5 V 247
2021-06-15 06:17:06 v 1 238.27235 +37.98607 247
2021-06-15 06:17:38 V 19 41 24.66 +24 59 54.4 14.2 V 247
2021-06-15 06:17:38 v 1 238.27235 +37.98607 247
2021-06-15 06:18:10 V 19 41 24.52 +24 59 44.5 14.1 V 247
2021-06-15 06:18:10 v 1 238.27235 +37.98607 247
2021-06-15 06:18:42 V 19 41 24.32 +24 59 33.7 14.3 V 247
2021-06-15 06:18:42 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)