4503 Cleobulus (1989 WM)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5247715860 ± 6.05e-09
Semi-major axis (a)2.7035835322 AU ± 1.33e-09
Inclination (i)2.51280034° ± 1.53e-07
Long. of Asc. Node (Ω)45.94067668° ± 5.73e-06
Arg. of Perihelion (ω)76.23561973° ± 6.51e-06
Mean Anomaly (M)16.49835791° ± 8.80e-07
Mean Motion (n)0.2217188348°/day ± 1.64e-10
Perihelion dist (q)1.28481971 AU ± 1.64e-08
Aphelion dist (Q)4.12234735 AU ± 1.65e-08
Orbital Period4.44538816 yr ± 3.29e-09
Physical Parameters
H (abs. magnitude)15.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.011″
Uncertainty0
Orbit TypeAmor
MOID0.304177 AU
Observations Used1182
Gaia Obs Used157
Oppositions29
Arc Total1980-2026
First Observation Used1980-12-30
Last Observation Used2026-02-18
Observations (1304)
Date Type RA Dec Mag Band Observatory
2020-11-19 08:25:24 C 01 16 46.10 +07 29 44.1 V T08
2020-11-19 08:34:43 C 01 16 45.77 +07 29 43.1 V T08
2020-11-19 09:25:14 C 01 16 43.86 +07 29 37.4 V T08
2020-11-20 05:06:02 C 01 16 03.31 +07 27 24.8 U I41
2020-11-20 06:19:43 C 01 16 00.65 +07 27 16.9 U I41
2020-11-20 12:16:14 C 01 15 48.55 +07 26 50.7 q E89
2020-11-20 12:25:56 C 01 15 48.20 +07 26 48.8 q E89
2020-11-20 13:05:10 C 01 15 46.94 +07 26 44.3 q Q68
2020-11-20 13:07:32 C 01 15 46.91 +07 26 44.5 q Q68
2020-11-20 13:09:44 C 01 15 46.80 +07 26 44.5 q Q68
2020-11-20 13:11:57 C 01 15 46.67 +07 26 44.1 q Q68
2020-11-20 13:54:05 C 01 15 45.24 +07 26 39.8 q Q68
2020-11-20 13:56:16 C 01 15 45.12 +07 26 39.5 q Q68
2020-11-20 14:00:41 C 01 15 44.98 +07 26 39.0 q Q68
2020-11-22 04:06:39 C 01 14 31.93 +07 22 49.6 V 703
2020-11-22 04:14:12 C 01 14 31.68 +07 22 48.3 V 703
2020-11-22 04:21:46 C 01 14 31.42 +07 22 47.5 V 703
2020-11-22 04:29:19 C 01 14 31.17 +07 22 47.1 V 703
2020-11-22 04:42:25 C 01 14 30.78 +07 22 45.8 U I41
2020-11-22 06:09:17 C 01 14 27.91 +07 22 38.2 U I41
2020-11-29 08:06:15 C 01 10 14.81 +07 13 45.9 V T05
2020-11-29 08:11:36 C 01 10 14.66 +07 13 45.9 V T05
2020-11-29 08:19:31 C 01 10 14.52 +07 13 45.6 V T05
2020-11-29 08:38:11 C 01 10 14.13 +07 13 45.2 V T05
2020-12-01 09:49:16 C 01 09 24.48 +07 13 31.9 V T08
2020-12-01 09:53:55 C 01 09 24.42 +07 13 31.8 V T08
2020-12-01 10:04:33 C 01 09 23.99 +07 13 29.1 V T08
2020-12-01 10:23:50 C 01 09 23.90 +07 13 31.8 V T08
2020-12-03 08:05:14 C 01 08 48.28 +07 14 18.6 V T05
2020-12-03 08:09:59 C 01 08 48.19 +07 14 18.9 V T05
2020-12-03 08:18:35 C 01 08 48.08 +07 14 18.8 V T05
2020-12-03 08:38:29 C 01 08 47.82 +07 14 19.4 V T05
2020-12-04 09:30:23 C 01 08 32.26 +07 15 09.4 V T05
2020-12-04 09:35:00 C 01 08 32.26 +07 15 09.2 V T05
2020-12-04 09:46:13 C 01 08 32.10 +07 15 09.5 V T05
2020-12-04 10:07:22 C 01 08 31.89 +07 15 10.3 V T05
2020-12-06 07:30:02 C 01 08 11.65 +07 17 26.0 V T08
2020-12-06 07:57:23 C 01 08 11.44 +07 17 27.5 V T08
2020-12-06 08:24:57 C 01 08 11.22 +07 17 29.5 V T08
2020-12-09 07:49:41 C 01 07 58.98 +07 22 59.4 V T08
2020-12-09 07:54:20 C 01 07 58.98 +07 22 59.5 V T08
2020-12-09 08:03:38 C 01 07 58.98 +07 22 59.7 V T08
2020-12-09 08:19:36 C 01 07 58.98 +07 23 00.8 V T08
2020-12-10 21:05:43 C 01 08 02.28 +07 26 43.6 V A16
2020-12-10 21:44:35 C 01 08 02.25 +07 26 46.9 V A16
2020-12-10 22:39:04 C 01 08 02.42 +07 26 53.6 V A16
2020-12-11 07:35:08 C 01 08 04.38 +07 27 57.7 V T05
2020-12-11 07:39:15 C 01 08 04.37 +07 27 58.3 V T05
2020-12-11 07:49:14 C 01 08 04.38 +07 27 59.0 V T05
2020-12-11 08:04:27 C 01 08 04.42 +07 28 01.0 V T05