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
2007-09-13 09:56:30 C 07 08 28.30 +23 22 50.9 19.0 c 704
2007-09-13 10:13:25 C 07 08 30.77 +23 22 47.8 19.4 c 704
2007-09-13 10:47:13 C 07 08 35.79 +23 22 42.0 18.5 c 704
2007-09-13 11:04:06 C 07 08 38.36 +23 22 39.4 19.7 c 704
2007-09-19 10:04:53 C 07 30 03.14 +22 51 48.4 19.2 c 704
2007-09-19 10:22:15 C 07 30 05.83 +22 51 44.3 19.2 c 704
2007-09-19 10:39:37 C 07 30 08.39 +22 51 40.1 19.4 c 704
2007-09-19 10:56:57 C 07 30 11.02 +22 51 35.3 19.0 c 704
2007-09-19 11:14:16 C 07 30 13.66 +22 51 31.6 19.4 c 704
2007-10-12 11:42:05 C 08 55 14.78 +19 06 05.1 o 691
2007-10-12 12:00:13 C 08 55 17.57 +19 05 54.8 o 691
2007-10-12 12:18:20 C 08 55 20.35 +19 05 44.9 o 691
2007-10-14 10:35:56 C 09 02 30.53 +18 39 24.4 19.2 c 704
2007-10-14 10:52:11 C 09 02 33.06 +18 39 15.3 19.2 c 704
2007-10-14 11:08:26 C 09 02 35.54 +18 39 06.6 18.7 c 704
2007-10-14 11:24:50 C 09 02 38.12 +18 38 56.5 19.2 c 704
2007-10-14 11:26:12 C 09 02 38.25 +18 38 55.8 r G96
2007-10-14 11:39:57 C 09 02 40.38 +18 38 48.1 r G96
2007-10-14 11:53:52 C 09 02 42.50 +18 38 39.8 r G96
2007-10-14 12:07:36 C 09 02 44.62 +18 38 32.1 r G96
2007-10-15 10:20:12 C 09 06 10.86 +18 25 30.5 18.7 c 704
2007-10-15 10:52:52 C 09 06 15.89 +18 25 12.4 19.4 c 704
2007-10-15 11:09:14 C 09 06 18.42 +18 25 02.1 19.6 c 704
2007-10-15 11:25:29 C 09 06 20.84 +18 24 52.4 19.0 c 704
2007-10-16 11:50:17 C 09 10 07.15 +18 10 15.7 o 691
2007-10-16 12:08:24 C 09 10 09.92 +18 10 05.0 o 691
2007-10-16 12:26:32 C 09 10 12.70 +18 09 54.0 o 691
2007-11-07 11:11:56 C 10 29 53.88 +11 56 08.4 r 703
2007-11-07 11:21:16 C 10 29 55.24 +11 56 01.1 r 703
2007-11-07 11:30:35 C 10 29 56.65 +11 55 54.0 r 703
2007-11-07 11:39:54 C 10 29 58.02 +11 55 46.6 r 703
2007-11-14 12:07:57 C 10 54 21.81 +09 39 51.2 o 691
2007-11-14 12:31:03 C 10 54 25.08 +09 39 32.4 o 691
2007-11-14 12:54:12 C 10 54 28.34 +09 39 13.4 o 691
2007-11-18 11:33:45 C 11 07 52.21 +08 21 18.0 r 703
2007-11-18 11:43:09 C 11 07 53.47 +08 21 10.2 r 703
2007-11-18 11:52:46 C 11 07 54.80 +08 21 02.0 r 703
2007-11-18 12:02:27 C 11 07 56.28 +08 20 54.3 r 703
2007-11-20 10:53:43 C 11 14 28.77 +07 42 05.7 18.2 c 704
2007-11-20 11:11:57 C 11 14 31.27 +07 41 50.5 18.5 c 704
2007-11-20 11:30:08 C 11 14 33.78 +07 41 36.4 18.6 c 704
2007-11-20 11:48:30 C 11 14 36.32 +07 41 20.0 18.7 c 704
2007-11-20 12:06:52 C 11 14 38.84 +07 41 05.4 18.4 c 704
2007-12-05 11:51:10 C 12 02 45.01 +02 45 12.3 w 699
2007-12-05 12:12:13 C 12 02 47.69 +02 44 55.7 w 699
2007-12-05 12:33:15 C 12 02 50.33 +02 44 38.8 w 699
2007-12-05 12:54:16 C 12 02 53.04 +02 44 21.2 w 699
2007-12-14 10:56:12 C 12 29 32.34 -00 03 21.8 18.3 c 704
2007-12-14 11:15:06 C 12 29 34.56 -00 03 36.2 18.7 c 704
2007-12-14 11:33:59 C 12 29 36.84 -00 03 50.1 18.4 c 704