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
2021-01-06 06:39:31 C 01 25 20.175 +10 03 49.18 U F52
2021-01-06 06:40:26 C 01 25 20.223 +10 03 49.51 U F52
2021-01-06 06:56:59 C 01 25 21.017 +10 03 55.59 U F52
2021-01-06 06:57:55 C 01 25 21.066 +10 03 55.95 U F52
2021-01-06 07:15:24 C 01 25 21.912 +10 04 02.36 U F52
2021-01-06 07:32:51 C 01 25 22.761 +10 04 08.78 U F52
2021-01-07 02:59:34 C 01 26 22.45 +10 11 24.3 U I41
2021-01-07 03:05:19 C 01 26 22.73 +10 11 26.3 U I41
2021-01-07 06:18:02 C 01 26 32.63 +10 12 41.0 V T08
2021-01-07 06:25:58 C 01 26 32.98 +10 12 44.0 V T08
2021-01-07 06:47:33 C 01 26 34.13 +10 12 52.8 V T08
2021-01-07 07:10:05 C 01 26 35.21 +10 13 00.7 V T08
2021-01-08 07:13:44 C 01 27 51.31 +10 22 13.7 V T05
2021-01-08 07:21:39 C 01 27 51.72 +10 22 16.8 V T05
2021-01-08 07:29:33 C 01 27 52.11 +10 22 20.0 V T05
2021-01-08 07:54:04 C 01 27 53.43 +10 22 28.8 V T05
2021-01-09 02:37:07 C 01 28 54.58 +10 29 46.3 U I41
2021-01-09 04:41:27 C 01 29 01.18 +10 30 35.0 U I41
2021-01-09 04:52:54 C 01 29 01.79 +10 30 39.4 U I41
2021-01-10 02:37:00 C 01 30 14.62 +10 39 18.2 V G96
2021-01-10 02:44:28 C 01 30 15.02 +10 39 21.2 V G96
2021-01-10 02:51:55 C 01 30 15.44 +10 39 24.1 V G96
2021-01-10 02:59:22 C 01 30 15.84 +10 39 27.2 V G96
2021-01-10 03:50:55 C 01 30 18.62 +10 39 47.6 V 703
2021-01-10 03:59:05 C 01 30 19.07 +10 39 51.0 V 703
2021-01-10 04:07:14 C 01 30 19.54 +10 39 54.2 V 703
2021-01-10 04:15:24 C 01 30 20.02 +10 39 57.7 V 703
2021-01-15 03:20:18 C 01 37 32.01 +11 29 55.1 V 703
2021-01-15 03:28:31 C 01 37 32.51 +11 29 58.7 V 703
2021-01-15 03:36:46 C 01 37 32.99 +11 30 02.6 V 703
2021-01-15 03:45:00 C 01 37 33.50 +11 30 06.2 V 703
2021-01-17 05:11:39 C 01 40 49.34 +11 52 04.6 V T05
2021-01-17 05:19:33 C 01 40 49.80 +11 52 07.5 V T05
2021-01-17 05:25:29 C 01 40 50.19 +11 52 10.6 V T05
2021-01-17 06:01:53 C 01 40 52.58 +11 52 26.8 V T05
2021-01-29 11:53:47 C 02 03 23.29 +14 14 40.8 q D29
2021-01-29 12:08:49 C 02 03 24.54 +14 14 48.6 q D29
2021-01-29 12:23:51 C 02 03 25.88 +14 14 56.1 q D29
2021-01-31 03:32:52 C 02 06 49.24 +14 35 05.8 q U71
2021-01-31 03:42:29 C 02 06 50.06 +14 35 11.9 q U71
2021-01-31 03:51:25 C 02 06 50.88 +14 35 16.4 q U71
2021-02-01 05:32:05 C 02 09 07.394 +14 48 38.69 U F52
2021-02-01 05:45:04 C 02 09 08.530 +14 48 45.40 U F52
2021-02-01 06:11:01 C 02 09 10.807 +14 48 58.86 U F52
2021-02-05 03:02:39 C 02 17 43.63 +15 37 54.2 V 703
2021-02-05 03:10:54 C 02 17 44.45 +15 37 58.3 V 703
2021-02-05 03:19:10 C 02 17 45.27 +15 38 02.6 V 703
2021-02-05 03:27:26 C 02 17 45.96 +15 38 07.3 V 703
2021-02-06 06:47:19 C 02 20 22.64 +15 52 43.0 V T05
2021-02-06 06:55:14 C 02 20 23.39 +15 52 47.4 V T05