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
2021-06-18 23:48:01 V 19 17 18.94 -03 10 36.1 13.5 V 247
2021-06-18 23:48:01 v 1 012.20646 +55.51748 247
2021-06-18 23:48:33 V 19 17 18.80 -03 10 46.5 13.8 V 247
2021-06-18 23:48:33 v 1 012.20646 +55.51748 247
2021-06-18 23:49:04 V 19 17 18.67 -03 10 53.6 13.6 V 247
2021-06-18 23:49:04 v 1 012.20646 +55.51748 247
2021-06-18 23:49:36 V 19 17 18.55 -03 11 02.2 13.8 V 247
2021-06-18 23:49:36 v 1 012.20646 +55.51748 247
2021-06-18 23:50:08 V 19 17 18.41 -03 11 10.6 13.7 V 247
2021-06-18 23:50:08 v 1 012.20646 +55.51748 247
2021-06-18 23:50:40 V 19 17 18.29 -03 11 20.3 13.5 V 247
2021-06-18 23:50:40 v 1 012.20646 +55.51748 247
2021-06-18 23:51:11 V 19 17 18.14 -03 11 28.5 13.5 V 247
2021-06-18 23:51:11 v 1 012.20646 +55.51748 247
2021-06-18 23:51:43 V 19 17 18.00 -03 11 37.1 13.3 V 247
2021-06-18 23:51:43 v 1 012.20646 +55.51748 247
2021-06-18 23:52:15 V 19 17 17.90 -03 11 45.2 13.6 V 247
2021-06-18 23:52:15 v 1 012.20646 +55.51748 247
2021-06-18 23:52:47 V 19 17 17.79 -03 11 53.2 13.8 V 247
2021-06-18 23:52:47 v 1 012.20646 +55.51748 247
2021-06-18 23:53:18 V 19 17 17.62 -03 12 03.4 13.7 V 247
2021-06-18 23:53:18 v 1 012.20646 +55.51748 247
2021-06-18 23:53:50 V 19 17 17.55 -03 12 10.6 13.5 V 247
2021-06-18 23:53:50 v 1 012.20646 +55.51748 247
2021-06-18 23:54:22 V 19 17 17.38 -03 12 19.5 13.7 V 247
2021-06-18 23:54:22 v 1 012.20646 +55.51748 247
2021-06-18 23:54:54 V 19 17 17.27 -03 12 28.7 13.6 V 247
2021-06-18 23:54:54 v 1 012.20646 +55.51748 247
2021-06-18 23:55:26 V 19 17 17.10 -03 12 36.8 13.7 V 247
2021-06-18 23:55:26 v 1 012.20646 +55.51748 247
2021-06-18 23:55:57 V 19 17 16.96 -03 12 45.6 13.6 V 247
2021-06-18 23:55:57 v 1 012.20646 +55.51748 247
2021-06-18 23:56:29 V 19 17 16.90 -03 12 53.7 13.8 V 247
2021-06-18 23:56:29 v 1 012.20646 +55.51748 247
2021-06-18 23:57:01 V 19 17 16.73 -03 13 01.8 13.6 V 247
2021-06-18 23:57:01 v 1 012.20646 +55.51748 247
2021-06-18 23:57:33 V 19 17 16.62 -03 13 10.1 13.7 V 247
2021-06-18 23:57:33 v 1 012.20646 +55.51748 247
2021-06-18 23:58:04 V 19 17 16.49 -03 13 19.2 13.5 V 247
2021-06-18 23:58:04 v 1 012.20646 +55.51748 247
2021-06-18 23:58:36 V 19 17 16.38 -03 13 26.4 13.3 V 247
2021-06-18 23:58:36 v 1 012.20646 +55.51748 247
2021-06-18 23:59:08 V 19 17 16.20 -03 13 37.2 13.4 V 247
2021-06-18 23:59:08 v 1 012.20646 +55.51748 247
2021-06-18 23:59:40 V 19 17 16.10 -03 13 43.9 13.7 V 247
2021-06-18 23:59:40 v 1 012.20646 +55.51748 247
2021-06-19 00:00:11 V 19 17 15.98 -03 13 53.4 14.2 V 247
2021-06-19 00:00:11 v 1 012.20646 +55.51748 247
2021-06-19 00:00:43 V 19 17 15.83 -03 14 02.2 14.2 V 247
2021-06-19 00:00:43 v 1 012.20646 +55.51748 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)