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
2021-06-18 08:17:30 V 19 20 51.11 +01 09 56.5 13.8 V 247
2021-06-18 08:17:30 v 1 238.27236 +37.98630 247
2021-06-18 08:17:57 V 19 20 44.95 +01 09 53.4 13.2 V 247
2021-06-18 08:17:57 v 1 281.32281 +35.80756 247
2021-06-18 08:18:02 V 19 20 50.98 +01 09 47.8 13.9 V 247
2021-06-18 08:18:02 v 1 238.27236 +37.98630 247
2021-06-18 08:18:29 V 19 20 44.85 +01 09 43.9 13.5 V 247
2021-06-18 08:18:29 v 1 281.32281 +35.80756 247
2021-06-18 08:18:33 V 19 20 50.79 +01 09 37.6 13.8 V 247
2021-06-18 08:18:33 v 1 238.27236 +37.98630 247
2021-06-18 08:19:00 V 19 20 44.70 +01 09 32.6 13.8 V 247
2021-06-18 08:19:00 v 1 281.32281 +35.80756 247
2021-06-18 08:19:32 V 19 20 44.56 +01 09 24.9 13.8 V 247
2021-06-18 08:19:32 v 1 281.32281 +35.80756 247
2021-06-18 08:20:04 V 19 20 44.37 +01 09 15.0 13.6 V 247
2021-06-18 08:20:04 v 1 281.32281 +35.80756 247
2021-06-18 08:21:07 V 19 20 44.13 +01 08 57.6 12.4 V 247
2021-06-18 08:21:07 v 1 281.32281 +35.80756 247
2021-06-18 08:23:14 V 19 20 43.54 +01 08 19.8 12.7 V 247
2021-06-18 08:23:14 v 1 281.32281 +35.80756 247
2021-06-18 08:27:29 V 19 20 42.39 +01 07 06.2 12.6 V 247
2021-06-18 08:27:29 v 1 281.32281 +35.80756 247
2021-06-18 21:33:16 V 19 17 51.83 -02 33 55.2 13.6 V 247
2021-06-18 21:33:16 v 1 016.33597 +48.20439 247
2021-06-18 21:33:48 V 19 17 51.71 -02 34 04.5 13.4 V 247
2021-06-18 21:33:48 v 1 016.33597 +48.20439 247
2021-06-18 21:34:20 V 19 17 51.69 -02 34 14.3 13.6 V 247
2021-06-18 21:34:20 v 1 016.33597 +48.20439 247
2021-06-18 21:35:23 V 19 17 51.40 -02 34 32.1 13.8 V 247
2021-06-18 21:35:23 v 1 016.33597 +48.20439 247
2021-06-18 21:36:59 V 19 17 50.97 -02 34 57.2 13.6 V 247
2021-06-18 21:36:59 v 1 016.33597 +48.20439 247
2021-06-18 21:37:31 V 19 17 50.88 -02 35 04.0 13.4 V 247
2021-06-18 21:37:31 v 1 016.33597 +48.20439 247
2021-06-18 21:38:02 V 19 17 50.79 -02 35 13.1 13.5 V 247
2021-06-18 21:38:02 v 1 016.33597 +48.20439 247
2021-06-18 21:38:34 V 19 17 50.59 -02 35 22.6 13.7 V 247
2021-06-18 21:38:34 v 1 016.33597 +48.20439 247
2021-06-18 21:39:38 V 19 17 50.29 -02 35 37.8 13.7 V 247
2021-06-18 21:39:38 v 1 016.33597 +48.20439 247
2021-06-18 21:40:09 V 19 17 50.29 -02 35 48.4 13.2 V 247
2021-06-18 21:40:09 v 1 016.33597 +48.20439 247
2021-06-18 21:40:41 V 19 17 50.11 -02 35 57.2 13.3 V 247
2021-06-18 21:40:41 v 1 016.33597 +48.20439 247
2021-06-18 21:41:13 V 19 17 49.98 -02 36 05.9 13.7 V 247
2021-06-18 21:41:13 v 1 016.33597 +48.20439 247
2021-06-18 21:42:16 V 19 17 49.71 -02 36 22.5 13.6 V 247
2021-06-18 21:42:16 v 1 016.33597 +48.20439 247
2021-06-18 21:44:24 V 19 17 49.15 -02 36 58.1 13.0 V 247
2021-06-18 21:44:24 v 1 016.33597 +48.20439 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)