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
2021-06-17 23:01:44 C 19 23 04.05 +03 53 53.3 V L92
2021-06-17 23:02:13 V 19 23 03.32 +03 53 21.2 13.7 V 247
2021-06-17 23:02:13 v 1 016.33600 +48.20413 247
2021-06-17 23:02:45 V 19 23 03.15 +03 53 09.5 13.9 V 247
2021-06-17 23:02:45 v 1 016.33600 +48.20413 247
2021-06-17 23:02:55 C 19 23 03.66 +03 53 27.7 V L92
2021-06-17 23:03:17 V 19 23 03.02 +03 53 00.9 14.3 V 247
2021-06-17 23:03:17 v 1 016.33600 +48.20413 247
2021-06-17 23:03:49 V 19 23 02.87 +03 52 51.6 13.6 V 247
2021-06-17 23:03:49 v 1 016.33600 +48.20413 247
2021-06-17 23:05:24 V 19 23 02.33 +03 52 23.5 13.9 V 247
2021-06-17 23:05:24 v 1 016.33600 +48.20413 247
2021-06-17 23:06:28 V 19 23 02.09 +03 52 04.6 13.5 V 247
2021-06-17 23:06:28 v 1 016.33600 +48.20413 247
2021-06-17 23:06:59 V 19 23 02.00 +03 51 54.7 13.7 V 247
2021-06-17 23:06:59 v 1 016.33600 +48.20413 247
2021-06-17 23:07:31 V 19 23 01.87 +03 51 45.5 13.7 V 247
2021-06-17 23:07:31 v 1 016.33600 +48.20413 247
2021-06-17 23:08:03 V 19 23 01.65 +03 51 34.5 13.9 V 247
2021-06-17 23:08:03 v 1 016.33600 +48.20413 247
2021-06-17 23:08:35 V 19 23 01.52 +03 51 24.6 13.5 V 247
2021-06-17 23:08:35 v 1 016.33600 +48.20413 247
2021-06-17 23:09:06 V 19 23 01.41 +03 51 17.1 13.4 V 247
2021-06-17 23:09:06 v 1 016.33600 +48.20413 247
2021-06-17 23:09:38 V 19 23 01.20 +03 51 06.9 13.5 V 247
2021-06-17 23:09:38 v 1 016.33600 +48.20413 247
2021-06-18 03:31:48 V 19 22 01.87 +02 33 22.8 13.9 V 247
2021-06-18 03:31:48 v 1 281.56350 +38.10694 247
2021-06-18 03:32:51 V 19 22 01.58 +02 33 04.6 13.7 V 247
2021-06-18 03:32:51 v 1 281.56350 +38.10694 247
2021-06-18 03:33:55 V 19 22 01.33 +02 32 46.8 13.7 V 247
2021-06-18 03:33:55 v 1 281.56350 +38.10694 247
2021-06-18 03:34:25 V 19 22 01.20 +02 32 38.0 13.8 V 247
2021-06-18 03:34:25 v 1 281.56350 +38.10694 247
2021-06-18 03:35:30 V 19 22 00.88 +02 32 17.2 13.4 V 247
2021-06-18 03:35:30 v 1 281.56350 +38.10694 247
2021-06-18 03:36:02 V 19 22 00.76 +02 32 09.1 13.6 V 247
2021-06-18 03:36:02 v 1 281.56350 +38.10694 247
2021-06-18 03:36:33 V 19 22 00.65 +02 32 00.6 14.1 V 247
2021-06-18 03:36:33 v 1 281.56350 +38.10694 247
2021-06-18 03:36:59 V 19 22 00.51 +02 31 52.2 13.6 V 247
2021-06-18 03:36:59 v 1 281.56350 +38.10694 247
2021-06-18 03:37:55 V 19 22 00.35 +02 31 36.4 13.1 V 247
2021-06-18 03:37:55 v 1 281.56350 +38.10694 247
2021-06-18 03:38:23 V 19 22 00.15 +02 31 27.9 13.2 V 247
2021-06-18 03:38:23 v 1 281.56350 +38.10694 247
2021-06-18 03:38:51 V 19 22 00.02 +02 31 19.0 13.7 V 247
2021-06-18 03:38:51 v 1 281.56350 +38.10694 247
2021-06-18 03:39:18 V 19 21 59.90 +02 31 11.1 14.0 V 247
2021-06-18 03:39:18 v 1 281.56350 +38.10694 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)