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
2020-10-20 08:08:37 C 01 50 43.027 +09 47 01.99 U F51
2020-10-20 08:10:03 C 01 50 43.01 +09 47 01.6 V T05
2020-10-20 08:10:29 C 01 50 42.938 +09 47 01.63 U F51
2020-10-20 08:10:42 C 01 50 42.93 +09 47 01.5 V T05
2020-10-20 08:14:01 C 01 50 42.76 +09 47 01.1 V T05
2020-10-20 08:15:20 C 01 50 42.69 +09 47 00.4 V T05
2020-10-20 08:25:21 C 01 50 42.194 +09 46 58.58 U F51
2020-10-20 08:26:05 C 01 50 42.16 +09 46 58.5 V T05
2020-10-20 08:27:11 C 01 50 42.103 +09 46 58.19 U F51
2020-10-20 08:42:03 C 01 50 41.358 +09 46 55.15 U F51
2020-10-20 08:43:54 C 01 50 41.268 +09 46 54.77 U F51
2020-10-20 08:58:43 C 01 50 40.523 +09 46 51.78 U F51
2020-10-20 09:00:35 C 01 50 40.433 +09 46 51.36 U F51
2020-10-23 10:25:04 C 01 47 05.043 +09 31 24.43 U F51
2020-10-23 10:45:52 C 01 47 03.961 +09 31 19.96 U F51
2020-10-23 10:56:49 C 01 47 03.37 +09 31 17.8 V T08
2020-10-23 11:04:56 C 01 47 02.970 +09 31 15.86 U F51
2020-10-23 11:05:42 C 01 47 02.91 +09 31 15.9 V T08
2020-10-23 11:24:04 C 01 47 01.977 +09 31 11.69 U F51
2020-10-23 11:43:14 C 01 47 00.97 +09 31 07.8 V T08
2020-10-23 11:56:15 C 01 47 00.29 +09 31 05.0 V T08
2020-10-24 07:16:15 C 01 46 02.70 +09 26 54.5 V 703
2020-10-24 07:24:25 C 01 46 02.24 +09 26 52.5 V 703
2020-10-24 07:40:46 C 01 46 01.37 +09 26 49.5 V 703
2020-10-24 09:00:39 C 01 45 57.23 +09 26 32.1 V G96
2020-10-24 09:08:03 C 01 45 56.85 +09 26 30.4 V G96
2020-10-24 09:15:28 C 01 45 56.47 +09 26 28.8 V G96
2020-10-24 10:48:07 C 01 45 51.98 +09 26 11.0 V T05
2020-10-24 10:52:09 C 01 45 51.76 +09 26 10.1 V T05
2020-10-24 11:00:05 C 01 45 51.37 +09 26 08.2 V T05
2020-10-24 11:32:09 C 01 45 49.675 +09 26 01.33 U F51
2020-10-24 11:33:34 C 01 45 49.607 +09 26 00.99 U F51
2020-10-24 11:53:50 C 01 45 48.543 +09 25 56.61 U F51
2020-10-24 11:55:15 C 01 45 48.474 +09 25 56.27 U F51
2020-10-24 12:16:55 C 01 45 47.344 +09 25 51.57 U F51
2020-10-24 12:18:20 C 01 45 47.267 +09 25 51.23 U F51
2020-10-24 12:38:34 C 01 45 46.217 +09 25 46.86 U F51
2020-10-26 19:44:52 C 01 42 59.75 +09 13 48.6 V L54
2020-10-26 20:05:05 C 01 42 58.66 +09 13 44.2 V L54
2020-10-26 20:28:50 C 01 42 57.47 +09 13 40.0 V L54
2020-10-27 04:21:34 C 01 42 33.63 +09 11 57.6 V 703
2020-10-27 04:28:27 C 01 42 33.17 +09 11 56.8 V 703
2020-10-27 04:35:21 C 01 42 32.84 +09 11 55.2 V 703
2020-10-27 04:42:15 C 01 42 32.43 +09 11 54.2 V 703
2020-11-03 09:43:19 C 01 33 43.13 +08 34 47.6 V T08
2020-11-03 09:48:40 C 01 33 42.83 +08 34 46.5 V T08
2020-11-03 09:57:19 C 01 33 42.36 +08 34 44.4 V T08
2020-11-03 10:11:56 C 01 33 41.59 +08 34 41.7 V T08
2020-11-04 10:02:28 C 01 32 29.88 +08 29 45.2 V T08
2020-11-04 10:07:49 C 01 32 29.60 +08 29 44.1 V T08