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 06:40:24 V 19 41 16.60 +24 52 17.9 13.3 V 247
2021-06-15 06:40:24 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:42:31 V 19 41 15.97 +24 51 36.9 14.3 V 247
2021-06-15 06:42:31 v 1 238.27235 +37.98607 – – 247
2021-06-15 06:44:06 V 19 41 15.35 +24 51 03.9 14.4 V 247
2021-06-15 06:44:06 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:01:17 V 19 41 09.22 +24 45 18.4 13.5 V 247
2021-06-15 07:01:17 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:02:20 V 19 41 08.92 +24 44 59.9 14.8 V 247
2021-06-15 07:02:20 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:02:52 V 19 41 08.67 +24 44 47.5 14.3 V 247
2021-06-15 07:02:52 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:03:24 V 19 41 08.56 +24 44 37.1 14.4 V 247
2021-06-15 07:03:24 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:03:55 V 19 41 08.34 +24 44 26.6 14.4 V 247
2021-06-15 07:03:55 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:04:27 V 19 41 08.20 +24 44 17.1 14.5 V 247
2021-06-15 07:04:27 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:04:59 V 19 41 07.95 +24 44 04.4 14.5 V 247
2021-06-15 07:04:59 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:05:31 V 19 41 07.80 +24 43 54.9 14.3 V 247
2021-06-15 07:05:31 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:06:02 V 19 41 07.64 +24 43 43.4 14.1 V 247
2021-06-15 07:06:02 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:06:34 V 19 41 07.41 +24 43 33.4 14.1 V 247
2021-06-15 07:06:34 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:07:38 V 19 41 07.03 +24 43 12.3 15.0 V 247
2021-06-15 07:07:38 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:08:41 V 19 41 06.64 +24 42 51.2 13.4 V 247
2021-06-15 07:08:41 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:09:13 V 19 41 06.46 +24 42 39.8 13.7 V 247
2021-06-15 07:09:13 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:09:45 V 19 41 06.29 +24 42 30.3 14.8 V 247
2021-06-15 07:09:45 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:10:17 V 19 41 06.12 +24 42 19.0 15.5 V 247
2021-06-15 07:10:17 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:10:48 V 19 41 05.87 +24 42 06.7 14.9 V 247
2021-06-15 07:10:48 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:11:20 V 19 41 05.70 +24 41 57.2 14.5 V 247
2021-06-15 07:11:20 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:11:52 V 19 41 05.51 +24 41 47.6 14.5 V 247
2021-06-15 07:11:52 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:12:24 V 19 41 05.35 +24 41 37.6 14.3 V 247
2021-06-15 07:12:24 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:13:27 V 19 41 05.00 +24 41 17.0 14.2 V 247
2021-06-15 07:13:27 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:16:06 V 19 41 04.00 +24 40 21.7 14.4 V 247
2021-06-15 07:16:06 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:17:41 V 19 41 03.43 +24 39 48.7 14.5 V 247
2021-06-15 07:17:41 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)