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 22:19:24 v 1 016.33586 +48.20445 247
2021-06-16 22:20:27 V 19 29 25.20 +11 37 23.9 13.3 V 247
2021-06-16 22:20:27 v 1 016.33586 +48.20445 247
2021-06-16 22:20:59 V 19 29 25.00 +11 37 15.3 13.6 V 247
2021-06-16 22:20:59 v 1 016.33586 +48.20445 247
2021-06-16 22:21:31 V 19 29 24.93 +11 37 04.5 14.1 V 247
2021-06-16 22:21:31 v 1 016.33586 +48.20445 247
2021-06-16 22:23:06 V 19 29 24.45 +11 36 32.1 13.8 V 247
2021-06-16 22:23:06 v 1 016.33586 +48.20445 247
2021-06-16 22:23:38 V 19 29 24.26 +11 36 23.2 13.8 V 247
2021-06-16 22:23:38 v 1 016.33586 +48.20445 247
2021-06-16 22:25:13 V 19 29 23.85 +11 35 50.5 13.5 V 247
2021-06-16 22:25:13 v 1 016.33586 +48.20445 247
2021-06-16 22:25:45 V 19 29 23.62 +11 35 42.2 13.7 V 247
2021-06-16 22:25:45 v 1 016.33586 +48.20445 247
2021-06-16 22:26:48 V 19 29 23.28 +11 35 19.9 13.7 V 247
2021-06-16 22:26:48 v 1 016.33586 +48.20445 247
2021-06-16 22:27:20 V 19 29 23.09 +11 35 11.6 13.6 V 247
2021-06-16 22:27:20 v 1 016.33586 +48.20445 247
2021-06-16 22:28:24 V 19 29 22.84 +11 34 50.2 14.1 V 247
2021-06-16 22:28:24 v 1 016.33586 +48.20445 247
2021-06-16 22:29:59 V 19 29 22.31 +11 34 18.6 14.0 V 247
2021-06-16 22:29:59 v 1 016.33586 +48.20445 247
2021-06-16 22:31:02 V 19 29 22.00 +11 33 59.4 14.1 V 247
2021-06-16 22:31:02 v 1 016.33586 +48.20445 247
2021-06-16 22:31:34 V 19 29 21.86 +11 33 49.5 14.0 V 247
2021-06-16 22:31:34 v 1 016.33586 +48.20445 247
2021-06-16 22:32:06 V 19 29 21.75 +11 33 37.2 13.3 V 247
2021-06-16 22:32:06 v 1 016.33586 +48.20445 247
2021-06-16 22:32:38 V 19 29 21.60 +11 33 28.5 13.5 V 247
2021-06-16 22:32:38 v 1 016.33586 +48.20445 247
2021-06-16 22:33:10 V 19 29 21.40 +11 33 15.8 13.6 V 247
2021-06-16 22:33:10 v 1 016.33586 +48.20445 247
2021-06-16 22:33:41 V 19 29 21.27 +11 33 07.5 14.0 V 247
2021-06-16 22:33:41 v 1 016.33586 +48.20445 247
2021-06-16 22:34:13 V 19 29 21.03 +11 32 56.4 14.0 V 247
2021-06-16 22:34:13 v 1 016.33586 +48.20445 247
2021-06-16 22:34:45 V 19 29 20.95 +11 32 47.1 14.7 V 247
2021-06-16 22:34:45 v 1 016.33586 +48.20445 247
2021-06-16 22:35:17 V 19 29 20.79 +11 32 36.7 14.2 V 247
2021-06-16 22:35:17 v 1 016.33586 +48.20445 247
2021-06-16 22:35:48 V 19 29 20.65 +11 32 26.3 14.0 V 247
2021-06-16 22:35:48 v 1 016.33586 +48.20445 247
2021-06-16 22:36:52 V 19 29 20.33 +11 32 05.2 14.2 V 247
2021-06-16 22:36:52 v 1 016.33586 +48.20445 247
2021-06-16 22:37:24 V 19 29 20.20 +11 31 54.9 13.8 V 247
2021-06-16 22:37:24 v 1 016.33586 +48.20445 247
2021-06-16 22:37:55 V 19 29 19.93 +11 31 47.1 13.6 V 247
2021-06-16 22:37:55 v 1 016.33586 +48.20445 247
2021-06-16 22:38:27 V 19 29 19.86 +11 31 34.5 14.3 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)