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
2021-06-15 06:19:13 V 19 41 24.12 +24 59 23.5 15.0 V 247
2021-06-15 06:19:13 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:19:45 V 19 41 23.86 +24 59 09.7 14.5 V 247
2021-06-15 06:19:45 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:20:17 V 19 41 23.70 +24 59 01.7 15.3 V 247
2021-06-15 06:20:17 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:20:49 V 19 41 23.55 +24 58 49.8 14.5 V 247
2021-06-15 06:20:49 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:21:20 V 19 41 23.31 +24 58 38.2 14.0 V 247
2021-06-15 06:21:20 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:21:52 V 19 41 23.19 +24 58 30.0 14.6 V 247
2021-06-15 06:21:52 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:22:56 V 19 41 22.75 +24 58 06.4 14.4 V 247
2021-06-15 06:22:56 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:25:03 V 19 41 22.05 +24 57 24.1 15.5 V 247
2021-06-15 06:25:03 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:25:35 V 19 41 21.92 +24 57 15.7 14.4 V 247
2021-06-15 06:25:35 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:26:38 V 19 41 21.51 +24 56 54.4 15.5 V 247
2021-06-15 06:26:38 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:27:10 V 19 41 21.29 +24 56 42.5 14.5 V 247
2021-06-15 06:27:10 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:27:42 V 19 41 21.15 +24 56 32.8 14.9 V 247
2021-06-15 06:27:42 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:28:45 V 19 41 20.75 +24 56 12.3 13.1 V 247
2021-06-15 06:28:45 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:29:49 V 19 41 20.35 +24 55 49.7 14.6 V 247
2021-06-15 06:29:49 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:30:20 V 19 41 20.18 +24 55 39.1 15.0 V 247
2021-06-15 06:30:20 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:30:52 V 19 41 20.01 +24 55 29.8 14.1 V 247
2021-06-15 06:30:52 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:31:24 V 19 41 19.82 +24 55 18.9 14.0 V 247
2021-06-15 06:31:24 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:31:56 V 19 41 19.63 +24 55 09.2 14.3 V 247
2021-06-15 06:31:56 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:34:35 V 19 41 18.67 +24 54 12.6 13.9 V 247
2021-06-15 06:34:35 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:35:38 V 19 41 18.30 +24 53 53.4 14.5 V 247
2021-06-15 06:35:38 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:36:42 V 19 41 17.99 +24 53 31.0 14.3 V 247
2021-06-15 06:36:42 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:37:13 V 19 41 17.83 +24 53 22.6 14.2 V 247
2021-06-15 06:37:13 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:37:45 V 19 41 17.55 +24 53 11.8 14.6 V 247
2021-06-15 06:37:45 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:39:21 V 19 41 17.03 +24 52 38.9 13.8 V 247
2021-06-15 06:39:21 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:39:52 V 19 41 16.86 +24 52 29.2 13.0 V 247
2021-06-15 06:39:52 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)