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
2020-11-11 12:37:26 C 01 24 21.18 +07 57 15.3 q Q68
2020-11-11 12:39:38 C 01 24 21.14 +07 57 15.4 q Q68
2020-11-11 12:44:02 C 01 24 20.98 +07 57 14.6 q Q68
2020-11-13 04:49:15 C 01 22 35.09 +07 50 19.5 V 703
2020-11-13 04:57:26 C 01 22 34.74 +07 50 17.8 V 703
2020-11-13 05:05:36 C 01 22 34.40 +07 50 17.1 V 703
2020-11-13 05:13:46 C 01 22 34.00 +07 50 15.5 V 703
2020-11-13 12:53:35 C 01 22 13.93 +07 49 11.6 q E89
2020-11-13 13:03:58 C 01 22 13.49 +07 49 10.3 q E89
2020-11-13 13:14:29 C 01 22 13.05 +07 49 08.3 q E89
2020-11-13 14:50:40 C 01 22 08.88 +07 48 52.1 q Q68
2020-11-13 14:52:52 C 01 22 08.77 +07 48 51.8 q Q68
2020-11-13 14:55:03 C 01 22 08.67 +07 48 51.7 q Q68
2020-11-13 14:57:14 C 01 22 08.60 +07 48 51.3 q Q68
2020-11-13 15:03:07 C 01 22 08.31 +07 48 50.4 q Q68
2020-11-13 15:05:18 C 01 22 08.22 +07 48 49.8 q Q68
2020-11-13 15:07:30 C 01 22 08.15 +07 48 49.7 q Q68
2020-11-13 15:09:42 C 01 22 08.00 +07 48 48.8 q Q68
2020-11-14 12:05:38 C 01 21 15.38 +07 45 32.8 q Q68
2020-11-14 12:07:50 C 01 21 15.27 +07 45 32.7 q Q68
2020-11-14 12:10:01 C 01 21 15.17 +07 45 32.1 q Q68
2020-11-14 12:12:12 C 01 21 15.09 +07 45 31.3 q Q68
2020-11-14 12:19:07 C 01 21 14.75 +07 45 30.4 q Q68
2020-11-14 12:23:30 C 01 21 14.59 +07 45 30.1 q Q68
2020-11-14 12:25:41 C 01 21 14.49 +07 45 29.8 q Q68
2020-11-14 12:56:48 C 01 21 13.13 +07 45 24.8 q Q68
2020-11-14 12:58:59 C 01 21 13.04 +07 45 24.5 q Q68
2020-11-14 13:01:10 C 01 21 12.92 +07 45 24.1 q Q68
2020-11-14 13:03:21 C 01 21 12.83 +07 45 24.0 q Q68
2020-11-15 06:20:39 C 01 20 30.09 +07 42 37.2 V G96
2020-11-15 06:28:10 C 01 20 29.77 +07 42 36.2 V G96
2020-11-15 06:35:43 C 01 20 29.45 +07 42 35.0 V G96
2020-11-15 06:43:15 C 01 20 29.13 +07 42 33.8 V G96
2020-11-15 13:54:48 C 01 20 11.51 +07 41 40.6 q Q68
2020-11-15 13:57:00 C 01 20 11.43 +07 41 40.5 q Q68
2020-11-15 13:59:11 C 01 20 11.38 +07 41 40.4 q Q68
2020-11-16 04:32:00 C 01 19 36.83 +07 39 25.0 V 703
2020-11-16 04:39:33 C 01 19 36.50 +07 39 24.0 V 703
2020-11-16 04:47:08 C 01 19 36.19 +07 39 23.0 V 703
2020-11-16 04:54:42 C 01 19 35.87 +07 39 22.1 V 703
2020-11-16 05:56:18 C 01 19 33.35 +07 39 12.9 U I41
2020-11-16 07:16:22 C 01 19 30.01 +07 39 01.6 U I41
2020-11-16 08:31:03 C 01 19 27.24 +07 38 53.5 V T08
2020-11-16 08:56:30 C 01 19 26.18 +07 38 49.8 V T08
2020-11-16 09:01:09 C 01 19 25.98 +07 38 49.2 V T08
2020-11-17 08:10:18 C 01 18 32.32 +07 35 40.8 V T05
2020-11-17 08:19:38 C 01 18 31.93 +07 35 39.4 V T05
2020-11-17 08:24:17 C 01 18 31.73 +07 35 38.8 V T05
2020-11-17 09:47:50 C 01 18 28.36 +07 35 28.1 V T05
2020-11-19 08:20:46 C 01 16 46.30 +07 29 44.7 V T08