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
2016-01-24 09:52:24 S 15 42 20.41 +42 10 09.8 L C51
2016-01-24 11:26:50 S 15 43 08.33 +42 07 36.6 L C51
2016-01-24 13:01:16 S 15 43 56.04 +42 05 02.3 L C51
2016-02-11 11:36:14 C 18 02 53.75 +27 25 12.8 R G45
2016-02-11 11:43:07 C 18 02 55.08 +27 24 59.9 R G45
2016-02-11 11:50:01 C 18 02 56.41 +27 24 45.7 R G45
2016-02-11 11:56:54 C 18 02 57.75 +27 24 33.3 R G45
2016-02-11 12:03:42 C 18 02 59.06 +27 24 20.5 R G45
2018-09-16 09:40:28 C 02 27 59.03 -16 33 35.0 V G96
2018-09-16 09:55:23 C 02 27 58.47 -16 33 44.0 V G96
2018-09-16 10:02:53 C 02 27 58.22 -16 33 48.1 V G96
2020-11-13 10:12:24 C 05 08 23.21 +02 46 04.9 U I41
2020-11-13 11:13:37 C 05 08 19.66 +02 46 04.6 U I41
2020-11-14 11:02:18 C 05 06 59.522 +02 46 08.73 U F52
2020-11-14 11:20:46 C 05 06 58.393 +02 46 08.90 U F52
2020-11-14 11:39:21 C 05 06 57.263 +02 46 09.02 U F52
2020-11-14 11:58:01 C 05 06 56.115 +02 46 09.17 U F52
2020-11-15 08:25:47 C 05 05 43.66 +02 46 23.3 U I41
2020-11-15 08:46:57 C 05 05 42.32 +02 46 23.8 U I41
2020-11-16 09:44:29 C 05 04 09.56 +02 47 03.6 V G96
2020-11-16 09:51:52 C 05 04 09.09 +02 47 03.8 V G96
2020-11-16 09:59:16 C 05 04 08.61 +02 47 03.9 V G96
2020-11-16 10:06:39 C 05 04 08.10 +02 47 04.0 V G96
2020-11-17 08:57:25 C 05 02 40.38 +02 48 02.8 V T05
2020-11-17 09:50:03 C 05 02 36.72 +02 48 04.6 V T05
2020-11-17 10:25:51 C 05 02 34.25 +02 48 06.4 V T05
2020-11-17 10:31:11 C 05 02 33.86 +02 48 06.6 V T05
2020-11-17 11:49:50 C 05 02 28.422 +02 48 10.65 U F51
2020-11-17 12:25:18 C 05 02 25.950 +02 48 12.47 U F51
2020-11-17 12:42:56 C 05 02 24.724 +02 48 13.17 U F51
2020-11-23 06:51:51 C 04 52 11.51 +03 01 22.0 V 703
2020-11-23 06:59:46 C 04 52 10.89 +03 01 22.8 V 703
2020-11-23 07:07:41 C 04 52 10.13 +03 01 24.8 V 703
2020-11-23 07:15:36 C 04 52 09.48 +03 01 25.7 V 703
2020-11-23 08:09:37 C 04 52 04.95 +03 01 33.1 U I41
2020-11-23 08:10:58 C 04 52 04.83 +03 01 33.2 U I41
2020-11-23 09:41:22 C 04 51 57.14 +03 01 46.2 U I41
2020-11-23 09:42:42 C 04 51 57.03 +03 01 46.5 U I41
2020-11-24 23:16:49 C 04 48 48.47 +03 07 46.2 V 130
2020-11-24 23:31:10 C 04 48 47.21 +03 07 48.8 V 130
2020-11-25 05:02:04 C 04 48 19.23 +03 08 49.7 V G96
2020-11-25 05:10:59 C 04 48 18.42 +03 08 51.3 V G96
2020-11-25 05:18:24 C 04 48 17.77 +03 08 52.5 V G96
2020-11-25 05:25:50 C 04 48 17.12 +03 08 53.5 V G96
2020-12-04 06:28:02 C 04 27 27.47 +04 07 33.5 V I52
2020-12-04 06:37:07 C 04 27 26.28 +04 07 37.6 V I52
2020-12-04 10:40:28 C 04 27 00.663 +04 09 09.54 U F51
2020-12-04 10:58:27 C 04 26 58.725 +04 09 16.03 U F51
2020-12-04 11:16:24 C 04 26 56.789 +04 09 22.65 U F51
2020-12-04 11:34:17 C 04 26 54.842 +04 09 29.15 U F51
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)