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
2023-10-18 07:45:50 C 00 25 15.165 -30 06 01.56 X F51
2023-10-18 07:59:08 C 00 25 14.314 -30 06 00.12 X F51
2023-10-18 08:00:59 C 00 25 14.203 -30 05 59.94 X F51
2023-10-18 08:14:17 C 00 25 13.336 -30 05 58.38 X F51
2023-10-18 08:16:08 C 00 25 13.203 -30 05 57.94 X F51
2023-10-18 08:31:32 C 00 25 12.217 -30 05 56.45 X F51
2023-10-18 08:33:23 C 00 25 12.095 -30 05 56.13 X F51
2025-10-01 13:54:54 C 04 04 51.410 -03 44 58.63 X F51
2025-10-01 14:13:19 C 04 04 51.196 -03 45 05.22 X F51
2025-10-01 14:32:02 C 04 04 50.949 -03 45 11.80 X F51
2025-10-15 12:46:35 C 03 56 40.616 -05 46 28.74 X F51
2025-10-15 13:04:06 C 03 56 39.895 -05 46 35.04 X F51
2025-10-15 13:21:40 C 03 56 39.175 -05 46 41.45 X F51
2025-10-15 13:39:26 C 03 56 38.450 -05 46 47.74 X F51
2025-11-07 10:19:36 C 03 23 05.309 -08 21 10.18 X F52
2025-11-07 10:36:26 C 03 23 03.924 -08 21 12.75 X F52
2025-11-07 10:53:16 C 03 23 02.538 -08 21 15.01 X F52
2025-11-15 10:20:55 C 03 07 17.257 -08 34 26.12 X F51
2025-11-15 10:38:05 C 03 07 15.767 -08 34 25.90 X F51
2025-11-15 10:55:14 C 03 07 14.277 -08 34 25.73 X F51
2025-11-15 11:12:22 C 03 07 12.796 -08 34 25.57 X F51
2025-11-17 08:42:26 C 03 03 23.503 -08 33 06.03 X F52
2025-11-17 08:58:21 C 03 03 22.119 -08 33 05.21 X F52
2025-11-17 09:14:26 C 03 03 20.724 -08 33 04.56 X F52
2025-11-17 09:30:31 C 03 03 19.326 -08 33 03.84 X F52
2025-11-28 07:32:21 C 02 42 04.428 -07 50 00.98 X F51
2025-11-28 07:50:26 C 02 42 03.033 -07 49 55.95 X F51
2025-11-28 08:26:32 C 02 42 00.176 -07 49 45.87 X F51
2025-12-09 07:53:12 C 02 24 21.698 -06 10 14.47 X F51
2025-12-09 08:11:17 C 02 24 20.619 -06 10 05.97 X F51
2025-12-09 08:29:23 C 02 24 19.540 -06 09 57.43 X F51
2025-12-09 08:47:25 C 02 24 18.468 -06 09 48.88 X F51
2025-12-13 04:13:15 C 02 19 28.463 -05 24 25.45 V G96
2025-12-13 04:21:27 C 02 19 28.074 -05 24 21.24 V G96
2025-12-13 04:29:37 C 02 19 27.620 -05 24 17.17 V G96
2025-12-13 04:37:49 C 02 19 27.239 -05 24 12.74 V G96
2025-12-17 06:44:10 C 02 15 05.654 -04 30 21.68 X F52
2025-12-17 06:59:08 C 02 15 05.016 -04 30 13.06 X F52
2025-12-17 07:14:07 C 02 15 04.374 -04 30 04.56 X F52
2025-12-17 07:29:06 C 02 15 03.743 -04 29 55.97 X F52
2026-01-07 13:17:17 C 02 06 19.395 +01 07 28.45 W O18
2026-01-07 13:57:00 C 02 06 19.490 +01 07 57.14 W O18
2026-01-08 13:21:52 C 02 06 26.859 +01 24 59.21 W O18
2026-01-08 14:51:52 C 02 06 27.276 +01 26 05.10 W O18
2026-01-09 05:38:58 C 02 06 33.476 +01 36 55.57 X F52
2026-01-09 05:56:07 C 02 06 33.558 +01 37 08.13 X F52
2026-01-09 06:13:11 C 02 06 33.649 +01 37 20.65 X F52
2026-01-09 06:30:12 C 02 06 33.740 +01 37 33.22 X F52
2026-01-09 13:22:14 C 02 06 36.965 +01 42 33.04 W O18
2026-01-09 14:23:53 C 02 06 37.345 +01 43 18.18 W O18
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)