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
2021-05-30 03:38:00 C 08 57 20.69 +19 11 36.9 V 703
2021-05-30 03:46:07 C 08 57 21.77 +19 11 32.6 V 703
2021-05-30 03:54:15 C 08 57 22.96 +19 11 25.8 V 703
2021-06-04 06:16:16 C 09 14 31.54 +17 52 00.7 V T08
2021-06-04 06:20:55 C 09 14 32.16 +17 51 58.0 V T08
2021-06-04 06:31:33 C 09 14 33.73 +17 51 52.5 V T08
2021-06-04 06:46:10 C 09 14 35.58 +17 51 41.3 V T08
2021-06-09 15:22:02 C 09 31 59.30 +16 24 23.1 N56
2021-06-09 15:46:11 C 09 32 02.55 +16 24 06.9 N56
2023-09-03 05:48:37 C 20 07 39.805 -23 23 07.80 X F52
2023-09-03 06:16:01 C 20 07 39.171 -23 23 09.15 X F52
2023-09-03 06:29:43 C 20 07 38.851 -23 23 09.64 X F52
2024-09-02 17:46:50 C 23 16 18.67 -08 11 12.4 V D29
2024-09-02 18:07:11 C 23 16 17.78 -08 11 14.4 V D29
2024-09-02 18:27:33 C 23 16 17.18 -08 11 22.1 V D29
2024-09-04 07:32:11 C 23 14 52.775 -08 20 11.58 V G96
2024-09-04 07:40:14 C 23 14 52.454 -08 20 13.63 V G96
2024-09-04 07:48:18 C 23 14 52.123 -08 20 15.25 V G96
2024-09-04 07:56:21 C 23 14 51.842 -08 20 17.05 V G96
2024-09-13 05:16:41 C 23 06 30.301 -09 10 53.11 V G96
2024-09-13 05:24:11 C 23 06 30.013 -09 10 55.34 V G96
2024-09-13 05:31:41 C 23 06 29.711 -09 10 56.24 V G96
2024-09-13 05:39:12 C 23 06 29.408 -09 10 58.08 V G96
2024-09-25 04:23:34 C 22 55 20.514 -10 13 27.30 V G96
2024-09-25 04:31:02 C 22 55 20.240 -10 13 28.78 V G96
2024-09-25 04:38:29 C 22 55 19.952 -10 13 30.32 V G96
2024-09-25 04:45:56 C 22 55 19.679 -10 13 31.91 V G96
2024-10-01 07:28:16 C 22 50 04.766 -10 40 40.09 X F51
2024-10-01 07:44:31 C 22 50 04.189 -10 40 42.93 X F51
2024-10-01 08:00:48 C 22 50 03.620 -10 40 45.70 X F51
2024-10-01 08:16:55 C 22 50 03.057 -10 40 48.40 X F51
2024-10-06 08:07:32 C 22 46 09.898 -10 59 40.92 X F51
2024-10-06 08:24:53 C 22 46 09.347 -10 59 43.37 X F51
2024-10-06 08:42:40 C 22 46 08.783 -10 59 45.88 X F51
2024-10-07 04:02:02 C 22 45 33.718 -11 02 30.48 V G96
2024-10-07 04:09:32 C 22 45 33.480 -11 02 32.03 V G96
2024-10-07 04:17:04 C 22 45 33.275 -11 02 32.89 V G96
2024-10-07 04:24:34 C 22 45 33.016 -11 02 33.90 V G96
2024-10-08 04:33:47 C 22 44 50.104 -11 05 51.25 V G96
2024-10-08 04:41:16 C 22 44 49.841 -11 05 52.04 V G96
2024-10-08 04:48:45 C 22 44 49.657 -11 05 53.34 V G96
2024-10-08 04:56:14 C 22 44 49.427 -11 05 54.35 V G96
2024-10-20 04:18:02 C 22 37 55.816 -11 33 54.43 V G96
2024-10-20 04:25:31 C 22 37 55.618 -11 33 54.90 V G96
2024-10-20 04:32:59 C 22 37 55.456 -11 33 55.01 V G96
2024-10-20 04:40:28 C 22 37 55.340 -11 33 55.94 V G96
2024-12-02 01:58:11 C 22 41 07.602 -10 25 04.15 V G96
2024-12-02 02:06:20 C 22 41 07.775 -10 25 02.35 V G96
2024-12-02 02:14:30 C 22 41 07.973 -10 25 01.24 V G96
2024-12-02 02:22:39 C 22 41 08.185 -10 24 59.22 V G96