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
2021-06-16 00:08:58 C 19 35 42.53 +18 58 54.8 – V L92
2021-06-16 00:09:12 C 19 35 42.32 +18 58 54.3 – V L92
2021-06-16 00:09:25 C 19 35 42.38 +18 58 47.1 – V L92
2021-06-16 00:09:39 C 19 35 42.16 +18 58 40.4 – V L92
2021-06-16 00:09:54 C 19 35 42.26 +18 58 36.8 – V L92
2021-06-16 00:10:08 C 19 35 42.11 +18 58 33.9 – V L92
2021-06-16 00:10:22 C 19 35 42.02 +18 58 28.2 – V L92
2021-06-16 00:10:36 C 19 35 41.98 +18 58 21.1 – V L92
2021-06-16 00:10:50 C 19 35 41.83 +18 58 17.6 – V L92
2021-06-16 00:11:05 C 19 35 41.92 +18 58 10.5 – V L92
2021-06-16 00:11:19 C 19 35 41.74 +18 58 08.4 – V L92
2021-06-16 00:11:33 C 19 35 41.61 +18 58 04.4 – V L92
2021-06-16 00:11:47 C 19 35 41.49 +18 57 58.8 – V L92
2021-06-16 00:12:02 C 19 35 41.51 +18 57 54.0 – V L92
2021-06-16 00:12:16 C 19 35 41.41 +18 57 49.8 – V L92
2021-06-16 00:12:29 C 19 35 41.51 +18 57 43.8 – V L92
2021-06-16 00:12:44 C 19 35 41.37 +18 57 39.1 – V L92
2021-06-16 00:12:59 C 19 35 41.33 +18 57 34.3 – V L92
2021-06-16 00:13:13 C 19 35 41.20 +18 57 28.3 – V L92
2021-06-16 00:13:26 C 19 35 40.88 +18 57 24.9 – V L92
2021-06-16 00:13:41 C 19 35 41.07 +18 57 20.5 – V L92
2021-06-16 00:13:55 C 19 35 40.89 +18 57 15.1 – V L92
2021-06-16 00:14:09 C 19 35 40.86 +18 57 09.5 – V L92
2021-06-16 00:14:24 C 19 35 40.55 +18 57 06.5 – V L92
2021-06-16 00:14:37 C 19 35 40.56 +18 57 02.5 – V L92
2021-06-16 00:14:52 C 19 35 40.57 +18 56 56.5 – V L92
2021-06-16 00:15:06 C 19 35 40.43 +18 56 52.0 – V L92
2021-06-16 00:15:20 C 19 35 40.55 +18 56 45.6 – V L92
2021-06-16 00:15:34 C 19 35 40.36 +18 56 42.5 – V L92
2021-06-16 00:15:48 C 19 35 40.09 +18 56 35.5 – V L92
2021-06-16 00:16:02 C 19 35 39.81 +18 56 33.9 – V L92
2021-06-16 00:16:17 C 19 35 40.00 +18 56 28.4 – V L92
2021-06-16 00:16:31 C 19 35 40.11 +18 56 21.5 – V L92
2021-06-16 00:16:45 C 19 35 39.89 +18 56 16.9 – V L92
2021-06-16 00:16:59 C 19 35 39.95 +18 56 12.9 – V L92
2021-06-16 10:34:04 C 19 32 42.12 +15 30 46.1 – V T08
2021-06-16 10:36:43 C 19 32 41.25 +15 29 53.3 – V T08
2021-06-16 11:11:22 C 19 32 29.80 +15 18 25.4 – V T08
2021-06-16 11:52:08 C 19 32 16.31 +15 04 55.8 – V T08
2021-06-16 21:19:28 V 19 29 43.13 +11 57 09.8 13.9 V 247
2021-06-16 21:19:28 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:20:00 V 19 29 43.07 +11 56 58.3 13.4 V 247
2021-06-16 21:20:00 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:20:31 V 19 29 42.87 +11 56 48.5 13.3 V 247
2021-06-16 21:20:31 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:21:03 V 19 29 42.76 +11 56 39.1 13.5 V 247
2021-06-16 21:21:03 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:21:35 V 19 29 42.52 +11 56 27.7 14.4 V 247
2021-06-16 21:21:35 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:24:18 V 19 29 41.75 +11 55 36.4 14.0 V 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)