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 03:56:15 V 19 21 55.43 +02 26 12.0 13.7 V 247
2021-06-18 03:56:15 v 1 281.56350 +38.10694 247
2021-06-18 03:56:46 V 19 21 55.32 +02 26 03.1 13.7 V 247
2021-06-18 03:56:46 v 1 281.56350 +38.10694 247
2021-06-18 03:58:10 V 19 21 54.93 +02 25 38.3 12.6 V 247
2021-06-18 03:58:10 v 1 281.56350 +38.10694 247
2021-06-18 04:00:54 V 19 21 54.22 +02 24 50.6 13.6 V 247
2021-06-18 04:00:54 v 1 281.56350 +38.10694 247
2021-06-18 04:01:59 V 19 21 53.90 +02 24 30.8 12.8 V 247
2021-06-18 04:01:59 v 1 281.56350 +38.10694 247
2021-06-18 04:03:02 V 19 21 53.60 +02 24 11.4 13.7 V 247
2021-06-18 04:03:02 v 1 281.56350 +38.10694 247
2021-06-18 04:03:34 V 19 21 53.48 +02 24 01.9 14.1 V 247
2021-06-18 04:03:34 v 1 281.56350 +38.10694 247
2021-06-18 04:04:06 V 19 21 53.37 +02 23 54.2 13.7 V 247
2021-06-18 04:04:06 v 1 281.56350 +38.10694 247
2021-06-18 04:04:37 V 19 21 53.24 +02 23 44.9 13.6 V 247
2021-06-18 04:04:37 v 1 281.56350 +38.10694 247
2021-06-18 04:05:09 V 19 21 53.06 +02 23 34.4 13.6 V 247
2021-06-18 04:05:09 v 1 281.56350 +38.10694 247
2021-06-18 04:06:13 V 19 21 52.78 +02 23 15.3 13.7 V 247
2021-06-18 04:06:13 v 1 281.56350 +38.10694 247
2021-06-18 04:06:44 V 19 21 52.67 +02 23 07.2 13.7 V 247
2021-06-18 04:06:44 v 1 281.56350 +38.10694 247
2021-06-18 04:07:16 V 19 21 52.51 +02 22 57.6 13.6 V 247
2021-06-18 04:07:16 v 1 281.56350 +38.10694 247
2021-06-18 04:08:51 V 19 21 52.11 +02 22 29.6 13.6 V 247
2021-06-18 04:08:51 v 1 281.56350 +38.10694 247
2021-06-18 04:10:59 V 19 21 51.50 +02 21 51.0 13.7 V 247
2021-06-18 04:10:59 v 1 281.56350 +38.10694 247
2021-06-18 05:19:43 V 19 21 37.40 +02 01 39.4 13.5 V 247
2021-06-18 05:19:43 v 1 238.27236 +37.98630 247
2021-06-18 05:20:47 V 19 21 37.15 +02 01 19.9 13.4 V 247
2021-06-18 05:20:47 v 1 238.27236 +37.98630 247
2021-06-18 05:21:19 V 19 21 37.04 +02 01 11.8 13.8 V 247
2021-06-18 05:21:19 v 1 238.27236 +37.98630 247
2021-06-18 05:21:51 V 19 21 36.86 +02 01 01.7 13.9 V 247
2021-06-18 05:21:51 v 1 238.27236 +37.98630 247
2021-06-18 05:22:22 V 19 21 36.74 +02 00 53.3 13.7 V 247
2021-06-18 05:22:22 v 1 238.27236 +37.98630 247
2021-06-18 05:22:54 V 19 21 36.60 +02 00 43.6 13.8 V 247
2021-06-18 05:22:54 v 1 238.27236 +37.98630 247
2021-06-18 05:23:26 V 19 21 36.51 +02 00 34.5 13.9 V 247
2021-06-18 05:23:26 v 1 238.27236 +37.98630 247
2021-06-18 05:23:58 V 19 21 36.34 +02 00 25.8 13.6 V 247
2021-06-18 05:23:58 v 1 238.27236 +37.98630 247
2021-06-18 05:24:29 V 19 21 36.19 +02 00 15.9 13.2 V 247
2021-06-18 05:24:29 v 1 238.27236 +37.98630 247
2021-06-18 05:25:33 V 19 21 35.94 +01 59 58.0 13.9 V 247
2021-06-18 05:25:33 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)