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 08:02:04 V 19 20 49.25 +01 14 29.1 13.9 V 247
2021-06-18 08:02:04 v 1 281.32281 +35.80756 247
2021-06-18 08:02:09 V 19 20 55.15 +01 14 22.3 14.0 V 247
2021-06-18 08:02:09 v 1 238.27236 +37.98630 247
2021-06-18 08:02:40 V 19 20 55.05 +01 14 13.1 13.7 V 247
2021-06-18 08:02:40 v 1 238.27236 +37.98630 247
2021-06-18 08:03:12 V 19 20 54.87 +01 14 03.4 13.4 V 247
2021-06-18 08:03:12 v 1 238.27236 +37.98630 247
2021-06-18 08:03:39 V 19 20 48.82 +01 14 00.5 13.2 V 247
2021-06-18 08:03:39 v 1 281.32281 +35.80756 247
2021-06-18 08:03:44 V 19 20 54.74 +01 13 54.9 13.4 V 247
2021-06-18 08:03:44 v 1 238.27236 +37.98630 247
2021-06-18 08:04:11 V 19 20 48.68 +01 13 52.6 13.3 V 247
2021-06-18 08:04:11 v 1 281.32281 +35.80756 247
2021-06-18 08:04:16 V 19 20 54.63 +01 13 47.0 13.4 V 247
2021-06-18 08:04:16 v 1 238.27236 +37.98630 247
2021-06-18 08:04:43 V 19 20 48.53 +01 13 42.6 13.4 V 247
2021-06-18 08:04:43 v 1 281.32281 +35.80756 247
2021-06-18 08:04:47 V 19 20 54.44 +01 13 36.3 13.5 V 247
2021-06-18 08:04:47 v 1 238.27236 +37.98630 247
2021-06-18 08:05:14 V 19 20 48.41 +01 13 33.7 13.8 V 247
2021-06-18 08:05:14 v 1 281.32281 +35.80756 247
2021-06-18 08:05:19 V 19 20 54.37 +01 13 27.8 13.6 V 247
2021-06-18 08:05:19 v 1 238.27236 +37.98630 247
2021-06-18 08:05:46 V 19 20 48.27 +01 13 24.7 13.8 V 247
2021-06-18 08:05:46 v 1 281.32281 +35.80756 247
2021-06-18 08:05:51 V 19 20 54.17 +01 13 17.3 13.7 V 247
2021-06-18 08:05:51 v 1 238.27236 +37.98630 247
2021-06-18 08:06:18 V 19 20 48.13 +01 13 15.4 13.5 V 247
2021-06-18 08:06:18 v 1 281.32281 +35.80756 247
2021-06-18 08:06:23 V 19 20 54.04 +01 13 09.2 13.8 V 247
2021-06-18 08:06:23 v 1 238.27236 +37.98630 247
2021-06-18 08:06:50 V 19 20 47.98 +01 13 06.3 13.6 V 247
2021-06-18 08:06:50 v 1 281.32281 +35.80756 247
2021-06-18 08:06:54 V 19 20 53.91 +01 13 00.1 13.7 V 247
2021-06-18 08:06:54 v 1 238.27236 +37.98630 247
2021-06-18 08:07:21 V 19 20 47.82 +01 12 57.5 13.7 V 247
2021-06-18 08:07:21 v 1 281.32281 +35.80756 247
2021-06-18 08:07:26 V 19 20 53.81 +01 12 51.5 13.7 V 247
2021-06-18 08:07:26 v 1 238.27236 +37.98630 247
2021-06-18 08:07:53 V 19 20 47.69 +01 12 48.5 13.5 V 247
2021-06-18 08:07:53 v 1 281.32281 +35.80756 247
2021-06-18 08:07:58 V 19 20 53.63 +01 12 41.9 13.6 V 247
2021-06-18 08:07:58 v 1 238.27236 +37.98630 247
2021-06-18 08:08:25 V 19 20 47.55 +01 12 38.6 13.3 V 247
2021-06-18 08:08:25 v 1 281.32281 +35.80756 247
2021-06-18 08:08:30 V 19 20 53.50 +01 12 32.9 13.6 V 247
2021-06-18 08:08:30 v 1 238.27236 +37.98630 247
2021-06-18 08:08:57 V 19 20 47.40 +01 12 29.1 13.4 V 247
2021-06-18 08:08:57 v 1 281.32281 +35.80756 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)