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
2020-07-26 11:37:33 C 01 49 56.55 +09 21 00.0 U I41
2020-07-27 10:07:33 C 01 50 46.92 +09 25 30.3 U I41
2020-07-27 11:08:33 C 01 50 49.15 +09 25 42.9 U I41
2020-08-14 03:15:37 C 02 04 33.72 +10 37 39.1 V C95
2020-08-14 03:26:30 C 02 04 34.07 +10 37 41.2 V C95
2020-08-15 09:42:46 C 02 05 22.39 +10 41 47.5 V G96
2020-08-15 09:53:06 C 02 05 22.64 +10 41 48.8 V G96
2020-08-15 09:59:13 C 02 05 22.79 +10 41 49.9 V G96
2020-08-15 09:59:53 C 02 05 22.82 +10 41 50.0 U I41
2020-08-15 10:05:19 C 02 05 22.93 +10 41 50.7 V G96
2020-08-15 10:14:53 C 02 05 23.18 +10 41 52.1 U I41
2020-08-15 11:05:14 C 02 05 24.43 +10 41 59.0 U I41
2020-08-18 10:55:07 C 02 07 12.00 +10 51 04.7 U I41
2020-08-18 10:59:17 C 02 07 12.11 +10 51 05.2 U I41
2020-08-23 13:04:33 C 02 09 51.370 +11 04 29.18 U F51
2020-08-23 13:20:02 C 02 09 51.650 +11 04 30.76 U F51
2020-08-23 13:35:26 C 02 09 51.934 +11 04 32.27 U F51
2020-08-23 13:50:43 C 02 09 52.215 +11 04 33.80 U F51
2020-08-25 09:28:59 C 02 10 41.48 +11 08 39.6 U I41
2020-08-25 10:52:56 C 02 10 42.89 +11 08 47.3 U I41
2020-08-25 11:38:29 C 02 10 43.66 +11 08 51.3 U I41
2020-08-25 12:06:06 C 02 10 44.11 +11 08 53.9 U I41
2020-08-26 10:52:54 C 02 11 08.04 +11 10 53.6 U I41
2020-08-26 10:57:43 C 02 11 08.11 +11 10 54.0 U I41
2020-08-28 09:53:45 C 02 11 53.52 +11 14 41.8 U I41
2020-08-28 10:35:29 C 02 11 54.12 +11 14 45.1 U I41
2020-08-28 11:26:09 C 02 11 54.81 +11 14 48.9 U I41
2020-08-29 09:16:29 C 02 12 14.22 +11 16 25.7 U I41
2020-08-29 09:21:53 C 02 12 14.31 +11 16 26.2 U I41
2020-08-29 11:17:52 C 02 12 15.81 +11 16 34.5 U I41
2020-09-01 09:12:08 C 02 13 09.28 +11 21 04.4 U I41
2020-09-01 09:29:15 C 02 13 09.45 +11 21 05.1 U I41
2020-09-01 10:29:09 C 02 13 10.08 +11 21 08.8 U I41
2020-09-01 10:36:40 C 02 13 10.16 +11 21 09.1 U I41
2020-09-11 13:09:18 C 02 14 32.14 +11 28 40.8 V T05
2020-09-11 13:25:28 C 02 14 32.16 +11 28 40.0 V T05
2020-09-11 13:31:48 C 02 14 32.13 +11 28 40.7 V T05
2020-09-11 13:40:37 C 02 14 32.12 +11 28 39.9 V T05
2020-09-11 19:21:56 C 02 14 31.95 +11 28 40.0 q D29
2020-09-11 19:42:17 C 02 14 31.89 +11 28 39.9 q D29
2020-09-13 11:56:00 C 02 14 28.15 +11 28 35.6 V T08
2020-09-13 11:59:19 C 02 14 28.12 +11 28 34.9 V T08
2020-09-13 12:06:09 C 02 14 28.09 +11 28 35.5 V T08
2020-09-13 12:35:53 C 02 14 27.94 +11 28 34.0 V T08
2020-09-14 00:14:37 C 02 14 25.79 +11 28 27.2 o L52
2020-09-14 00:24:40 C 02 14 25.72 +11 28 27.3 o L52
2020-09-15 12:17:04 C 02 14 16.48 +11 27 56.4 V T05
2020-09-15 12:19:44 C 02 14 16.43 +11 27 55.7 V T05
2020-09-15 12:23:41 C 02 14 16.45 +11 27 56.8 V T05
2020-09-15 12:30:56 C 02 14 16.39 +11 27 55.6 V T05