IAA RAS IAA Minor Planet Database

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
2021-06-19 00:01:15 V 19 17 15.65 -03 14 10.5 13.5 V 247
2021-06-19 00:01:15 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:01:47 V 19 17 15.57 -03 14 18.6 13.3 V 247
2021-06-19 00:01:47 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:02:19 V 19 17 15.47 -03 14 26.4 13.4 V 247
2021-06-19 00:02:19 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:02:50 V 19 17 15.35 -03 14 36.3 13.6 V 247
2021-06-19 00:02:50 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:03:22 V 19 17 15.21 -03 14 44.9 13.6 V 247
2021-06-19 00:03:22 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:03:54 V 19 17 15.09 -03 14 52.7 13.5 V 247
2021-06-19 00:03:54 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:04:26 V 19 17 14.96 -03 15 01.4 13.6 V 247
2021-06-19 00:04:26 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:04:57 V 19 17 14.83 -03 15 10.1 13.4 V 247
2021-06-19 00:04:57 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:05:29 V 19 17 14.70 -03 15 18.7 13.6 V 247
2021-06-19 00:05:29 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:06:01 V 19 17 14.54 -03 15 27.8 13.5 V 247
2021-06-19 00:06:01 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:06:33 V 19 17 14.40 -03 15 35.3 13.6 V 247
2021-06-19 00:06:33 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:07:04 V 19 17 14.29 -03 15 44.4 13.4 V 247
2021-06-19 00:07:04 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:07:36 V 19 17 14.17 -03 15 52.8 13.5 V 247
2021-06-19 00:07:36 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:08:08 V 19 17 14.03 -03 16 02.3 13.8 V 247
2021-06-19 00:08:08 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:08:40 V 19 17 13.90 -03 16 09.8 13.2 V 247
2021-06-19 00:08:40 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:09:12 V 19 17 13.76 -03 16 17.9 13.2 V 247
2021-06-19 00:09:12 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:09:43 V 19 17 13.65 -03 16 26.8 13.3 V 247
2021-06-19 00:09:43 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:10:15 V 19 17 13.51 -03 16 35.3 13.9 V 247
2021-06-19 00:10:15 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:11:19 V 19 17 13.26 -03 16 52.4 13.8 V 247
2021-06-19 00:11:19 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:12:22 V 19 17 13.02 -03 17 09.1 13.4 V 247
2021-06-19 00:12:22 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:12:54 V 19 17 12.94 -03 17 17.4 13.6 V 247
2021-06-19 00:12:54 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:13:26 V 19 17 12.77 -03 17 26.3 13.7 V 247
2021-06-19 00:13:26 v 1 012.20646 +55.51748 – – 247
2021-06-19 00:13:57 V 19 17 12.65 -03 17 34.7 13.6 V 247
2021-06-19 00:13:57 v 1 012.20646 +55.51748 – – 247
2021-06-19 12:27:55 C 19 14 33.84 -06 27 48.0 – V T08
2021-06-19 13:18:30 C 19 14 21.42 -06 40 31.3 – V T08
2021-06-19 13:59:09 C 19 14 11.58 -06 50 42.0 – V T08
2021-06-19 14:35:11 C 19 14 03.01 -06 59 40.9 – V T08
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)