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 05:26:05 V 19 21 35.79 +01 59 46.8 13.6 V 247
2021-06-18 05:26:05 v 1 238.27236 +37.98630 247
2021-06-18 05:26:36 V 19 21 35.68 +01 59 39.7 13.7 V 247
2021-06-18 05:26:36 v 1 238.27236 +37.98630 247
2021-06-18 05:27:08 V 19 21 35.53 +01 59 28.4 13.6 V 247
2021-06-18 05:27:08 v 1 238.27236 +37.98630 247
2021-06-18 05:27:40 V 19 21 35.42 +01 59 20.0 13.6 V 247
2021-06-18 05:27:40 v 1 238.27236 +37.98630 247
2021-06-18 05:28:12 V 19 21 35.30 +01 59 11.8 13.6 V 247
2021-06-18 05:28:12 v 1 238.27236 +37.98630 247
2021-06-18 05:29:15 V 19 21 35.00 +01 58 52.5 13.2 V 247
2021-06-18 05:29:15 v 1 238.27236 +37.98630 247
2021-06-18 05:30:51 V 19 21 34.55 +01 58 23.1 13.8 V 247
2021-06-18 05:30:51 v 1 238.27236 +37.98630 247
2021-06-18 05:31:22 V 19 21 34.47 +01 58 15.3 13.6 V 247
2021-06-18 05:31:22 v 1 238.27236 +37.98630 247
2021-06-18 05:31:54 V 19 21 34.35 +01 58 05.8 13.8 V 247
2021-06-18 05:31:54 v 1 238.27236 +37.98630 247
2021-06-18 05:32:26 V 19 21 34.14 +01 57 55.7 13.7 V 247
2021-06-18 05:32:26 v 1 238.27236 +37.98630 247
2021-06-18 05:33:29 V 19 21 33.87 +01 57 37.0 13.7 V 247
2021-06-18 05:33:29 v 1 238.27236 +37.98630 247
2021-06-18 05:34:33 V 19 21 33.69 +01 57 19.8 14.1 V 247
2021-06-18 05:34:33 v 1 238.27236 +37.98630 247
2021-06-18 05:35:36 V 19 21 33.38 +01 57 00.4 13.5 V 247
2021-06-18 05:35:36 v 1 238.27236 +37.98630 247
2021-06-18 05:36:40 V 19 21 33.13 +01 56 43.0 13.7 V 247
2021-06-18 05:36:40 v 1 238.27236 +37.98630 247
2021-06-18 05:37:12 V 19 21 32.97 +01 56 31.6 14.1 V 247
2021-06-18 05:37:12 v 1 238.27236 +37.98630 247
2021-06-18 05:38:15 V 19 21 32.73 +01 56 13.8 13.6 V 247
2021-06-18 05:38:15 v 1 238.27236 +37.98630 247
2021-06-18 05:38:47 V 19 21 32.55 +01 56 03.8 15.0 V 247
2021-06-18 05:38:47 v 1 238.27236 +37.98630 247
2021-06-18 05:41:26 V 19 21 31.95 +01 55 17.9 14.8 V 247
2021-06-18 05:41:26 v 1 238.27236 +37.98630 247
2021-06-18 05:41:58 V 19 21 31.76 +01 55 09.4 15.3 V 247
2021-06-18 05:41:58 v 1 238.27236 +37.98630 247
2021-06-18 05:43:33 V 19 21 31.39 +01 54 41.3 15.0 V 247
2021-06-18 05:43:33 v 1 238.27236 +37.98630 247
2021-06-18 05:44:05 V 19 21 31.29 +01 54 32.7 14.0 V 247
2021-06-18 05:44:05 v 1 238.27236 +37.98630 247
2021-06-18 05:44:36 V 19 21 31.09 +01 54 22.8 13.6 V 247
2021-06-18 05:44:36 v 1 238.27236 +37.98630 247
2021-06-18 05:45:08 V 19 21 30.95 +01 54 13.6 13.8 V 247
2021-06-18 05:45:08 v 1 238.27236 +37.98630 247
2021-06-18 05:45:40 V 19 21 30.86 +01 54 05.0 13.9 V 247
2021-06-18 05:45:40 v 1 238.27236 +37.98630 247
2021-06-18 05:46:12 V 19 21 30.73 +01 53 55.1 13.8 V 247
2021-06-18 05:46:12 v 1 238.27236 +37.98630 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)