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
2013-02-25 08:12:23 C 12 02 05.67 -05 29 25.0 u H21
2013-02-25 08:17:22 C 12 02 05.55 -05 29 26.0 u H21
2013-02-25 08:22:21 C 12 02 05.43 -05 29 26.9 u H21
2013-02-25 08:27:19 C 12 02 05.33 -05 29 27.8 u H21
2013-02-25 08:33:01 C 12 02 05.21 -05 29 29.1 u H21
2013-02-27 00:31:45 C 12 01 25.66 -05 36 44.8 u 089
2013-02-27 00:33:54 C 12 01 25.60 -05 36 45.4 u 089
2013-02-27 00:36:03 C 12 01 25.54 -05 36 45.9 u 089
2013-02-27 00:38:12 C 12 01 25.51 -05 36 46.2 u 089
2013-02-27 00:40:21 C 12 01 25.47 -05 36 46.4 u 089
2013-02-27 00:42:30 C 12 01 25.39 -05 36 47.4 u 089
2013-02-27 00:44:39 C 12 01 25.39 -05 36 46.9 u 089
2013-02-27 00:46:48 C 12 01 25.28 -05 36 47.0 u 089
2013-02-28 23:54:57 C 12 00 30.55 -05 43 31.4 q C73
2013-02-28 23:56:07 C 12 00 30.52 -05 43 31.4 q C73
2013-02-28 23:57:16 C 12 00 30.49 -05 43 31.4 q C73
2013-02-28 23:58:25 C 12 00 30.46 -05 43 31.5 q C73
2013-03-05 01:57:43 C 11 58 11.03 -05 51 45.2 t 130
2013-03-05 01:59:22 C 11 58 10.98 -05 51 45.3 t 130
2013-03-05 02:01:01 C 11 58 10.92 -05 51 45.4 t 130
2013-03-05 02:02:40 C 11 58 10.87 -05 51 45.4 t 130
2013-03-10 02:08:20 C 11 54 49.68 -05 52 23.1 o 071
2013-03-10 02:12:04 C 11 54 49.56 -05 52 22.9 o 071
2013-03-10 02:15:52 C 11 54 49.43 -05 52 22.8 o 071
2013-03-10 02:19:34 C 11 54 49.31 -05 52 22.6 o 071
2013-03-10 02:23:15 C 11 54 49.18 -05 52 22.5 o 071
2013-03-13 05:24:03 C 11 52 39.01 -05 48 25.4 V G45
2013-03-13 07:53:04 C 11 52 33.67 -05 48 14.3 u 703
2013-03-13 08:02:04 C 11 52 33.34 -05 48 13.4 u 703
2013-03-13 08:07:49 C 11 52 33.02 -05 48 14.1 V G45
2013-03-13 08:11:03 C 11 52 33.02 -05 48 13.1 u 703
2013-03-13 08:20:04 C 11 52 32.70 -05 48 12.3 u 703
2013-03-13 08:29:04 C 11 52 32.37 -05 48 12.0 u 703
2013-03-13 08:34:38 C 11 52 32.03 -05 48 12.2 V G45
2013-03-13 09:16:33 C 11 52 30.51 -05 48 09.0 V G45
2013-03-13 21:39:55 C 11 52 09.10 -05 47 21.9 r 168
2013-03-13 21:42:25 C 11 52 09.00 -05 47 21.1 r 168
2013-03-13 22:38:20 C 11 52 07.13 -05 47 16.9 r 168
2013-03-13 22:40:50 C 11 52 07.04 -05 47 16.6 r 168
2013-03-14 20:42:40 C 11 51 29.02 -05 45 28.4 r 168
2013-03-14 20:45:05 C 11 51 28.97 -05 45 27.8 r 168
2013-03-15 05:22:19 C 11 51 14.94 -05 44 33.7 V G45
2013-03-15 06:17:46 C 11 51 12.96 -05 44 29.0 V G45
2013-03-15 08:10:07 C 11 51 08.92 -05 44 18.8 V G45
2013-03-15 08:26:08 C 11 51 08.25 -05 44 16.7 V G45
2013-03-16 05:30:02 C 11 50 33.33 -05 42 16.6 V G45
2013-03-16 06:50:01 C 11 50 30.53 -05 42 09.5 V G45
2013-03-16 08:33:34 C 11 50 26.83 -05 41 59.2 V G45
2013-03-16 09:33:52 C 11 50 24.73 -05 41 53.0 V G45
2013-03-18 05:17:19 C 11 49 13.47 -05 37 13.5 V G45