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
2021-06-12 22:15:48 C 20 02 37.61 +42 55 15.2 V K85
2021-06-12 22:28:57 C 20 02 31.59 +42 51 27.1 V K85
2021-06-13 11:59:45 C 19 56 45.08 +38 49 00.7 V T08
2021-06-13 12:03:07 C 19 56 43.52 +38 47 58.4 V T08
2021-06-13 12:07:46 C 19 56 41.37 +38 46 32.7 V T08
2021-06-13 12:24:54 C 19 56 33.45 +38 41 16.0 V T08
2021-06-13 22:07:08 C 19 52 49.27 +35 36 10.7 V Z80
2021-06-13 22:15:28 C 19 52 45.98 +35 33 33.5 V Z80
2021-06-13 22:23:48 C 19 52 42.64 +35 30 55.5 V Z80
2021-06-14 04:57:46 V 19 50 16.60 +33 24 08.5 14.8 V 247
2021-06-14 04:57:46 v 1 238.27230 +37.98624 247
2021-06-14 04:58:17 V 19 50 16.47 +33 23 58.5 14.5 V 247
2021-06-14 04:58:17 v 1 238.27230 +37.98624 247
2021-06-14 04:58:49 V 19 50 16.19 +33 23 46.9 14.7 V 247
2021-06-14 04:58:49 v 1 238.27230 +37.98624 247
2021-06-14 04:59:21 V 19 50 16.02 +33 23 38.6 14.6 V 247
2021-06-14 04:59:21 v 1 238.27230 +37.98624 247
2021-06-14 05:00:56 V 19 50 15.44 +33 23 06.7 14.6 V 247
2021-06-14 05:00:56 v 1 238.27230 +37.98624 247
2021-06-14 05:01:28 V 19 50 15.25 +33 22 56.9 14.8 V 247
2021-06-14 05:01:28 v 1 238.27230 +37.98624 247
2021-06-14 05:02:32 V 19 50 14.82 +33 22 35.4 14.9 V 247
2021-06-14 05:02:32 v 1 238.27230 +37.98624 247
2021-06-14 05:04:07 V 19 50 14.31 +33 22 05.4 12.6 V 247
2021-06-14 05:04:07 v 1 238.27230 +37.98624 247
2021-06-14 05:05:10 V 19 50 13.79 +33 21 45.9 15.0 V 247
2021-06-14 05:05:10 v 1 238.27230 +37.98624 247
2021-06-14 05:08:21 V 19 50 12.63 +33 20 44.9 14.2 V 247
2021-06-14 05:08:21 v 1 238.27230 +37.98624 247
2021-06-14 05:08:53 V 19 50 12.39 +33 20 35.1 16.0 V 247
2021-06-14 05:08:53 v 1 238.27230 +37.98624 247
2021-06-14 05:09:56 V 19 50 12.04 +33 20 14.9 14.1 V 247
2021-06-14 05:09:56 v 1 238.27230 +37.98624 247
2021-06-14 05:11:32 V 19 50 11.37 +33 19 43.4 14.9 V 247
2021-06-14 05:11:32 v 1 238.27230 +37.98624 247
2021-06-14 05:12:03 V 19 50 11.15 +33 19 34.0 14.5 V 247
2021-06-14 05:12:03 v 1 238.27230 +37.98624 247
2021-06-14 05:12:35 V 19 50 11.07 +33 19 24.9 14.0 V 247
2021-06-14 05:12:35 v 1 238.27230 +37.98624 247
2021-06-14 05:14:10 V 19 50 10.47 +33 18 55.2 15.0 V 247
2021-06-14 05:14:10 v 1 238.27230 +37.98624 247
2021-06-14 05:14:42 V 19 50 10.20 +33 18 42.8 14.4 V 247
2021-06-14 05:14:42 v 1 238.27230 +37.98624 247
2021-06-14 05:15:14 V 19 50 10.03 +33 18 34.2 14.6 V 247
2021-06-14 05:15:14 v 1 238.27230 +37.98624 247
2021-06-14 05:15:46 V 19 50 09.84 +33 18 23.1 14.6 V 247
2021-06-14 05:15:46 v 1 238.27230 +37.98624 247
2021-06-14 05:16:49 V 19 50 09.38 +33 18 02.5 14.7 V 247
2021-06-14 05:16:49 v 1 238.27230 +37.98624 247
2021-06-14 05:17:21 V 19 50 09.23 +33 17 53.7 14.6 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)