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
2021-06-14 05:17:21 v 1 238.27230 +37.98624 247
2021-06-14 05:17:53 V 19 50 09.01 +33 17 43.2 14.7 V 247
2021-06-14 05:17:53 v 1 238.27230 +37.98624 247
2021-06-14 05:20:32 V 19 50 08.17 +33 16 50.8 13.1 V 247
2021-06-14 05:20:32 v 1 238.27230 +37.98624 247
2021-06-14 05:22:39 V 19 50 07.15 +33 16 09.9 14.1 V 247
2021-06-14 05:22:39 v 1 238.27230 +37.98624 247
2021-06-14 05:24:14 V 19 50 06.59 +33 15 41.4 13.1 V 247
2021-06-14 05:24:14 v 1 238.27230 +37.98624 247
2021-06-14 05:42:17 V 19 49 59.64 +33 09 53.1 15.5 V 247
2021-06-14 05:42:17 v 1 238.27230 +37.98624 247
2021-06-14 05:43:21 V 19 49 59.28 +33 09 34.9 14.6 V 247
2021-06-14 05:43:21 v 1 238.27230 +37.98624 247
2021-06-14 05:48:23 V 19 49 57.24 +33 07 55.4 14.0 V 247
2021-06-14 05:48:23 v 1 238.27230 +37.98624 247
2021-06-14 05:48:55 V 19 49 57.05 +33 07 46.5 15.3 V 247
2021-06-14 05:48:55 v 1 238.27230 +37.98624 247
2021-06-14 05:49:27 V 19 49 56.80 +33 07 35.2 15.6 V 247
2021-06-14 05:49:27 v 1 238.27230 +37.98624 247
2021-06-14 05:49:59 V 19 49 56.62 +33 07 27.1 14.9 V 247
2021-06-14 05:49:59 v 1 238.27230 +37.98624 247
2021-06-14 05:51:34 V 19 49 56.08 +33 06 56.4 13.7 V 247
2021-06-14 05:51:34 v 1 238.27230 +37.98624 247
2021-06-14 05:54:13 V 19 49 55.01 +33 06 05.0 15.0 V 247
2021-06-14 05:54:13 v 1 238.27230 +37.98624 247
2021-06-14 21:55:47 C 19 44 10.71 +27 47 59.2 V K85
2021-06-14 22:01:45 C 19 44 08.56 +27 46 00.2 V K85
2021-06-15 00:07:52 V 19 43 21.22 +27 04 11.0 14.3 V 247
2021-06-15 00:07:52 v 1 016.33587 +48.20414 247
2021-06-15 00:08:23 V 19 43 21.03 +27 04 00.7 14.9 V 247
2021-06-15 00:08:23 v 1 016.33587 +48.20414 247
2021-06-15 00:11:02 V 19 43 20.14 +27 03 08.5 14.0 V 247
2021-06-15 00:11:02 v 1 016.33587 +48.20414 247
2021-06-15 00:12:37 V 19 43 19.47 +27 02 35.7 14.5 V 247
2021-06-15 00:12:37 v 1 016.33587 +48.20414 247
2021-06-15 00:13:09 V 19 43 19.24 +27 02 26.3 14.5 V 247
2021-06-15 00:13:09 v 1 016.33587 +48.20414 247
2021-06-15 00:14:13 V 19 43 18.93 +27 02 05.1 14.4 V 247
2021-06-15 00:14:13 v 1 016.33587 +48.20414 247
2021-06-15 00:14:44 V 19 43 18.66 +27 01 53.3 14.5 V 247
2021-06-15 00:14:44 v 1 016.33587 +48.20414 247
2021-06-15 00:15:16 V 19 43 18.45 +27 01 43.2 14.7 V 247
2021-06-15 00:15:16 v 1 016.33587 +48.20414 247
2021-06-15 00:15:48 V 19 43 18.31 +27 01 34.1 14.3 V 247
2021-06-15 00:15:48 v 1 016.33587 +48.20414 247
2021-06-15 00:16:20 V 19 43 18.12 +27 01 22.4 15.6 V 247
2021-06-15 00:16:20 v 1 016.33587 +48.20414 247
2021-06-15 00:17:55 V 19 43 17.52 +27 00 51.2 13.5 V 247
2021-06-15 00:17:55 v 1 016.33587 +48.20414 247
2021-06-15 00:23:13 V 19 43 15.52 +26 59 03.6 15.0 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)