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 07:18:13 V 19 41 03.29 +24 39 41.2 14.3 V 247
2021-06-15 07:18:13 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:18:45 V 19 41 03.06 +24 39 28.5 14.2 V 247
2021-06-15 07:18:45 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:19:17 V 19 41 02.89 +24 39 17.9 14.9 V 247
2021-06-15 07:19:17 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:21:24 V 19 41 02.16 +24 38 37.6 14.7 V 247
2021-06-15 07:21:24 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:21:55 V 19 41 01.93 +24 38 25.8 14.4 V 247
2021-06-15 07:21:55 v 1 238.27235 +37.98607 – – 247
2021-06-15 07:22:59 V 19 41 01.60 +24 38 04.4 14.9 V 247
2021-06-15 07:22:59 v 1 238.27235 +37.98607 – – 247
2021-06-15 22:58:44 C 19 36 06.93 +19 21 51.0 – V Z80
2021-06-15 23:00:24 C 19 36 06.41 +19 21 17.7 – V Z80
2021-06-15 23:02:09 C 19 36 05.85 +19 20 42.4 – V Z80
2021-06-16 00:00:44 C 19 35 45.52 +19 01 43.1 – V L92
2021-06-16 00:00:59 C 19 35 45.50 +19 01 35.0 – V L92
2021-06-16 00:01:13 C 19 35 45.26 +19 01 28.4 – V L92
2021-06-16 00:01:27 C 19 35 45.24 +19 01 26.2 – V L92
2021-06-16 00:01:41 C 19 35 45.09 +19 01 25.6 – V L92
2021-06-16 00:01:55 C 19 35 45.12 +19 01 18.4 – V L92
2021-06-16 00:02:09 C 19 35 44.71 +19 01 13.4 – V L92
2021-06-16 00:02:23 C 19 35 44.70 +19 01 09.4 – V L92
2021-06-16 00:02:37 C 19 35 44.76 +19 01 04.1 – V L92
2021-06-16 00:02:51 C 19 35 44.75 +19 00 57.8 – V L92
2021-06-16 00:03:04 C 19 35 44.78 +19 00 54.7 – V L92
2021-06-16 00:03:19 C 19 35 44.72 +19 00 47.5 – V L92
2021-06-16 00:03:33 C 19 35 44.39 +19 00 46.3 – V L92
2021-06-16 00:03:48 C 19 35 44.58 +19 00 38.8 – V L92
2021-06-16 00:04:01 C 19 35 44.15 +19 00 35.2 – V L92
2021-06-16 00:04:15 C 19 35 44.39 +19 00 30.0 – V L92
2021-06-16 00:04:29 C 19 35 44.13 +19 00 36.0 – V L92
2021-06-16 00:04:43 C 19 35 44.22 +19 00 20.9 – V L92
2021-06-16 00:04:58 C 19 35 43.98 +19 00 16.6 – V L92
2021-06-16 00:05:11 C 19 35 43.98 +19 00 11.6 – V L92
2021-06-16 00:05:26 C 19 35 43.82 +19 00 07.0 – V L92
2021-06-16 00:05:41 C 19 35 43.61 +19 00 00.7 – V L92
2021-06-16 00:05:55 C 19 35 43.82 +18 59 56.7 – V L92
2021-06-16 00:06:08 C 19 35 43.70 +18 59 54.5 – V L92
2021-06-16 00:06:23 C 19 35 43.58 +18 59 46.3 – V L92
2021-06-16 00:06:37 C 19 35 43.39 +18 59 41.2 – V L92
2021-06-16 00:06:51 C 19 35 43.32 +18 59 40.0 – V L92
2021-06-16 00:07:05 C 19 35 43.38 +18 59 34.3 – V L92
2021-06-16 00:07:19 C 19 35 43.32 +18 59 31.1 – V L92
2021-06-16 00:07:33 C 19 35 43.18 +18 59 24.1 – V L92
2021-06-16 00:07:47 C 19 35 42.96 +18 59 19.4 – V L92
2021-06-16 00:08:01 C 19 35 42.85 +18 59 15.9 – V L92
2021-06-16 00:08:15 C 19 35 42.86 +18 59 09.1 – V L92
2021-06-16 00:08:29 C 19 35 42.75 +18 59 04.1 – V L92
2021-06-16 00:08:43 C 19 35 42.64 +18 59 01.5 – V L92
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)