11284 Belenus (1990 BA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3373664973 ± 1.50e-08
Semi-major axis (a)1.7401390005 AU ± 1.42e-09
Inclination (i)1.99181590° ± 1.71e-06
Long. of Asc. Node (Ω)311.70143863° ± 4.70e-05
Arg. of Perihelion (ω)171.16474879° ± 4.72e-05
Mean Anomaly (M)216.09985689° ± 4.87e-06
Mean Motion (n)0.4293746152°/day ± 5.27e-10
Perihelion dist (q)1.15307440 AU ± 2.61e-08
Aphelion dist (Q)2.32720360 AU ± 2.62e-08
Orbital Period2.29549267 yr ± 2.82e-09
Physical Parameters
H (abs. magnitude)18.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.342″
Uncertainty0
Orbit TypeAmor
MOID0.168611 AU
Observations Used750
Oppositions42
Arc Total1950-2025
First Observation Used1950-12-09
Last Observation Used2025-06-06
Observations (798)
Date Type RA Dec Mag Band Observatory
2012-11-15 09:19:09 C 08 03 58.50 +25 02 47.8 r 703
2012-11-15 09:31:18 C 08 04 00.26 +25 02 44.0 r 703
2012-11-15 09:43:30 C 08 04 01.99 +25 02 38.6 r 703
2012-11-15 09:55:42 C 08 04 03.79 +25 02 34.0 r 703
2012-11-20 08:39:18 C 08 21 48.06 +24 10 31.2 18.6 c 704
2012-11-20 09:00:38 C 08 21 51.19 +24 10 19.8 19.5 c 704
2012-11-20 09:21:41 C 08 21 54.27 +24 10 11.2 19.4 c 704
2012-11-20 09:43:09 C 08 21 57.33 +24 10 01.8 19.4 c 704
2012-11-20 10:04:12 C 08 22 00.35 +24 09 51.0 19.2 c 704
2012-11-20 10:35:10 C 08 22 04.94 +24 09 37.0 r 703
2012-11-20 10:42:29 C 08 22 05.98 +24 09 32.8 r 703
2012-11-20 10:49:46 C 08 22 07.03 +24 09 30.3 r 703
2012-11-20 10:57:04 C 08 22 08.14 +24 09 26.5 r 703
2012-11-28 09:51:24 C 08 50 57.17 +22 24 03.6 u H21
2012-11-28 09:58:45 C 08 50 58.25 +22 23 59.2 u H21
2012-11-28 10:07:06 C 08 50 59.48 +22 23 53.8 u H21
2012-12-01 09:22:54 C 09 01 47.30 +21 37 41.6 u H21
2012-12-01 09:27:59 C 09 01 48.05 +21 37 38.2 u H21
2012-12-01 09:33:16 C 09 01 48.82 +21 37 34.7 u H21
2012-12-01 09:38:34 C 09 01 49.59 +21 37 31.1 u H21
2012-12-01 09:44:18 C 09 01 50.43 +21 37 27.2 u H21
2012-12-01 09:54:26 C 09 01 51.91 +21 37 20.6 u H21
2012-12-06 03:53:36 C 09 19 04.38 +20 15 45.9 c A24
2012-12-06 03:54:38 C 09 19 04.51 +20 15 45.3 c A24
2012-12-06 03:55:41 C 09 19 04.67 +20 15 44.5 c A24
2012-12-06 03:56:43 C 09 19 04.83 +20 15 43.8 c A24
2012-12-06 05:01:01 C 09 19 14.18 +20 14 54.7 c A24
2012-12-06 05:03:06 C 09 19 14.45 +20 14 53.2 c A24
2012-12-06 05:04:08 C 09 19 14.62 +20 14 52.5 c A24
2012-12-12 04:31:22 C 09 40 37.69 +18 19 35.3 c A24
2012-12-12 04:32:24 C 09 40 37.86 +18 19 34.3 c A24
2012-12-13 09:40:30 C 09 44 55.72 +17 54 39.5 17.6 c 704
2012-12-13 10:00:08 C 09 44 58.49 +17 54 22.0 17.8 c 704
2012-12-13 10:20:43 C 09 45 01.36 +17 54 04.5 18.2 c 704
2012-12-13 10:40:51 C 09 45 04.16 +17 53 47.4 18.5 c 704
2012-12-13 10:55:44 C 09 45 06.33 +17 53 34.7 r 703
2012-12-13 11:01:09 C 09 45 07.02 +17 53 29.5 18.6 c 704
2012-12-13 11:04:43 C 09 45 07.59 +17 53 26.9 r 703
2012-12-13 11:13:39 C 09 45 08.85 +17 53 19.1 r 703
2012-12-13 11:22:31 C 09 45 10.08 +17 53 11.5 r 703
2012-12-31 01:36:04 C 10 43 20.47 +11 05 38.3 c A24
2012-12-31 01:37:06 C 10 43 20.59 +11 05 37.0 c A24
2012-12-31 02:42:47 C 10 43 28.51 +11 04 30.0 c A24
2012-12-31 02:43:49 C 10 43 28.70 +11 04 28.2 c A24
2013-01-06 08:24:50 C 11 01 34.82 +08 29 54.7 r 703
2013-01-06 08:35:33 C 11 01 36.01 +08 29 43.9 r 703
2013-01-06 08:46:19 C 11 01 37.16 +08 29 32.7 r 703
2013-01-06 08:57:01 C 11 01 38.31 +08 29 22.0 r 703
2013-01-09 01:52:35 C 11 08 54.18 +07 22 39.0 o 071
2013-01-09 01:54:17 C 11 08 54.34 +07 22 37.2 o 071