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 21:48:11 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:49:15 V 19 29 34.46 +11 47 31.4 14.0 V 247
2021-06-16 21:49:15 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:49:47 V 19 29 34.24 +11 47 19.4 14.3 V 247
2021-06-16 21:49:47 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:50:18 V 19 29 34.09 +11 47 10.3 13.9 V 247
2021-06-16 21:50:18 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:51:22 V 19 29 33.77 +11 46 49.7 13.8 V 247
2021-06-16 21:51:22 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:52:25 V 19 29 33.45 +11 46 28.4 13.9 V 247
2021-06-16 21:52:25 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:53:29 V 19 29 33.11 +11 46 09.3 13.8 V 247
2021-06-16 21:53:29 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:54:01 V 19 29 32.94 +11 45 57.7 13.6 V 247
2021-06-16 21:54:01 v 1 016.33586 +48.20445 – – 247
2021-06-16 21:54:32 V 19 29 32.87 +11 45 48.6 13.9 V 247
2021-06-16 21:54:32 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:00:02 C 19 29 30.07 +11 44 01.5 – V L18
2021-06-16 22:00:10 C 19 29 30.04 +11 43 58.8 – V L18
2021-06-16 22:00:18 C 19 29 30.00 +11 43 55.9 – V L18
2021-06-16 22:00:26 C 19 29 29.96 +11 43 53.6 – V L18
2021-06-16 22:00:34 C 19 29 29.92 +11 43 51.0 – V L18
2021-06-16 22:00:42 C 19 29 29.88 +11 43 48.4 – V L18
2021-06-16 22:00:50 C 19 29 29.84 +11 43 45.8 – V L18
2021-06-16 22:00:58 C 19 29 29.80 +11 43 43.1 – V L18
2021-06-16 22:01:06 C 19 29 29.75 +11 43 40.8 – V L18
2021-06-16 22:01:14 C 19 29 29.72 +11 43 38.7 – V L18
2021-06-16 22:02:09 C 19 29 31.25 +11 43 11.6 – V K85
2021-06-16 22:06:09 V 19 29 29.46 +11 42 03.5 14.1 V 247
2021-06-16 22:06:09 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:09:20 V 19 29 28.57 +11 41 01.2 15.4 V 247
2021-06-16 22:09:20 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:12:08 C 19 29 28.33 +11 39 57.8 – V K85
2021-06-16 22:12:31 V 19 29 27.50 +11 39 57.9 14.5 V 247
2021-06-16 22:12:31 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:13:02 V 19 29 27.42 +11 39 47.8 14.1 V 247
2021-06-16 22:13:02 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:14:38 V 19 29 26.95 +11 39 17.7 13.7 V 247
2021-06-16 22:14:38 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:15:09 V 19 29 26.83 +11 39 07.7 14.6 V 247
2021-06-16 22:15:09 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:15:41 V 19 29 26.52 +11 38 55.2 13.2 V 247
2021-06-16 22:15:41 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:17:17 V 19 29 26.10 +11 38 26.3 13.2 V 247
2021-06-16 22:17:17 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:17:48 V 19 29 26.00 +11 38 16.4 14.0 V 247
2021-06-16 22:17:48 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:18:52 V 19 29 25.60 +11 37 55.7 13.7 V 247
2021-06-16 22:18:52 v 1 016.33586 +48.20445 – – 247
2021-06-16 22:19:24 V 19 29 25.49 +11 37 43.0 14.1 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)