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
2021-06-07 13:12:24 C 21 27 35.20 +69 33 22.9 V T05
2021-06-07 13:20:18 C 21 27 27.04 +69 32 24.8 V T05
2021-06-07 13:25:34 C 21 27 21.57 +69 31 45.7 V T05
2021-06-07 13:34:35 C 21 27 12.24 +69 30 38.8 V T05
2021-06-07 13:38:34 C 21 27 08.14 +69 30 09.2 V T05
2021-06-07 13:39:14 C 21 27 07.45 +69 30 04.1 V T05
2021-06-07 13:57:30 C 21 26 48.50 +69 27 47.3 V T05
2021-06-07 22:25:14 C 21 19 07.14 +68 19 23.7 V K85
2021-06-07 22:30:13 C 21 19 02.54 +68 18 44.3 V K85
2021-06-07 23:33:25 C 21 18 04.88 +68 10 16.6 V Z80
2021-06-07 23:40:05 C 21 17 58.83 +68 09 23.5 V Z80
2021-06-07 23:46:45 C 21 17 52.70 +68 08 30.4 V Z80
2021-06-08 00:09:09 C 21 17 25.60 +68 06 16.8 V B18
2021-06-08 00:15:27 C 21 17 19.59 +68 05 25.3 V B18
2021-06-08 00:21:45 C 21 17 13.54 +68 04 33.8 V B18
2021-06-08 00:28:03 C 21 17 07.56 +68 03 42.0 V B18
2021-06-08 00:34:21 C 21 17 01.51 +68 02 50.3 V B18
2021-06-08 15:34:00 C 21 04 25.43 +65 50 34.5 q Q21
2021-06-08 15:46:52 C 21 04 14.34 +65 48 38.9 q Q21
2021-06-08 15:51:54 C 21 04 09.99 +65 47 52.2 q Q21
2021-06-08 22:14:33 C 20 59 08.09 +64 45 38.9 V Z80
2021-06-08 22:16:33 C 20 59 06.56 +64 45 19.5 V Z80
2021-06-08 22:18:33 C 20 59 05.01 +64 45 00.6 V Z80
2021-06-09 12:31:55 C 20 48 25.28 +62 19 51.2 V T08
2021-06-09 12:41:52 C 20 48 17.53 +62 18 04.8 V T08
2021-06-09 12:49:11 C 20 48 11.78 +62 16 46.1 V T08
2021-06-09 13:09:30 C 20 47 55.90 +62 13 07.0 V T08
2021-06-09 13:12:13 C 20 47 53.76 +62 12 37.8 V T08
2021-06-09 13:16:12 C 20 47 50.63 +62 11 54.5 V T08
2021-06-09 13:24:54 C 20 47 43.83 +62 10 20.1 V T08
2021-06-09 14:22:03 C 20 47 14.26 +61 58 35.8 q 900
2021-06-09 14:25:35 C 20 47 11.64 +61 57 57.9 q 900
2021-06-09 23:17:00 C 20 41 05.25 +60 16 48.4 V Z80
2021-06-09 23:19:00 C 20 41 03.92 +60 16 25.6 V Z80
2021-06-10 17:14:38 S 20 29 32.441 +56 32 08.88 L C51
2021-06-10 21:39:57 C 20 27 11.40 +55 33 30.3 V Z80
2021-06-10 21:43:57 C 20 27 09.07 +55 32 37.9 V Z80
2021-06-10 21:47:57 C 20 27 06.73 +55 31 44.1 V Z80
2021-06-10 23:27:15 C 20 26 05.70 +55 10 00.6 X G02
2021-06-10 23:29:49 C 20 26 04.10 +55 09 25.6 X G02
2021-06-10 23:32:22 C 20 26 02.56 +55 08 51.0 X G02
2021-06-11 22:32:20 C 20 13 44.19 +49 30 21.4 V G34
2021-06-11 22:34:11 C 20 13 43.22 +49 29 52.7 V G34
2021-06-11 22:36:02 C 20 13 42.24 +49 29 23.8 V G34
2021-06-11 22:37:54 C 20 13 41.27 +49 28 55.9 V G34
2021-06-11 22:39:45 C 20 13 40.29 +49 28 27.1 V G34
2021-06-12 21:12:46 n 20 03 08.08 +43 13 34.1 q 619
2021-06-12 21:19:23 n 20 03 05.09 +43 11 40.4 q 619
2021-06-12 21:23:57 n 20 03 03.03 +43 10 22.1 q 619
2021-06-12 22:02:23 C 20 02 43.76 +42 59 07.3 V K85
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)