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
2013-03-18 06:30:22 C 11 49 10.99 -05 37 05.7 V G45
2013-03-18 08:20:21 C 11 49 07.32 -05 36 52.6 u G96
2013-03-18 08:22:48 C 11 49 07.24 -05 36 52.3 u G96
2013-03-18 08:23:49 C 11 49 07.10 -05 36 53.0 V G45
2013-03-18 08:32:16 C 11 49 06.92 -05 36 51.2 u G96
2013-03-18 08:34:47 C 11 49 06.85 -05 36 50.9 u G96
2013-03-18 08:42:47 C 11 49 06.47 -05 36 50.7 V G45
2013-03-18 08:44:11 C 11 49 06.52 -05 36 49.8 u G96
2013-03-18 08:46:37 C 11 49 06.45 -05 36 49.5 u G96
2013-03-18 08:58:31 C 11 49 06.06 -05 36 48.1 u G96
2013-03-20 05:24:20 C 11 47 57.02 -05 31 32.2 V G45
2013-03-20 06:16:44 C 11 47 55.32 -05 31 26.0 V G45
2013-03-20 08:12:41 C 11 47 51.57 -05 31 11.5 V G45
2013-03-20 08:31:42 C 11 47 50.95 -05 31 09.2 V G45
2013-03-20 09:13:23 C 11 47 49.63 -05 31 03.7 V G45
2013-03-23 07:38:58 C 11 46 08.83 -05 21 57.0 u G96
2013-03-23 07:50:44 C 11 46 08.47 -05 21 55.5 u G96
2013-03-23 08:02:43 C 11 46 08.11 -05 21 53.8 u G96
2013-03-23 08:14:38 C 11 46 07.78 -05 21 52.2 u G96
2013-03-28 05:46:58 C 11 43 50.78 -05 05 55.5 u H21
2013-03-28 05:53:30 C 11 43 50.62 -05 05 54.4 u H21
2013-03-28 05:59:49 C 11 43 50.50 -05 05 53.6 u H21
2013-03-28 06:06:20 C 11 43 50.34 -05 05 52.7 u H21
2013-03-30 06:32:14 C 11 43 06.88 -04 59 22.5 u H21
2013-03-30 06:37:44 C 11 43 06.78 -04 59 21.7 u H21
2013-03-30 06:43:13 C 11 43 06.68 -04 59 21.0 u H21
2013-03-30 06:48:16 C 11 43 06.58 -04 59 20.2 u H21
2013-04-02 07:01:37 C 11 42 17.96 -04 50 01.9 u 703
2013-04-02 07:12:57 C 11 42 17.78 -04 50 00.2 u 703
2013-04-02 07:24:21 C 11 42 17.64 -04 49 58.9 u 703
2013-04-02 07:35:49 C 11 42 17.46 -04 49 57.6 u 703
2013-04-05 08:00:58 C 11 41 48.921 -04 41 24.46 L F51
2013-04-05 08:21:38 C 11 41 48.701 -04 41 22.22 L F51
2013-04-05 08:42:19 C 11 41 48.482 -04 41 20.01 L F51
2013-04-05 09:03:06 C 11 41 48.261 -04 41 17.69 L F51
2013-04-17 19:45:20 C 11 43 25.01 -04 20 35.9 r 168
2013-04-17 19:49:00 C 11 43 25.07 -04 20 35.7 r 168
2013-04-17 19:50:45 C 11 43 25.17 -04 20 35.5 r 168
2013-04-17 20:33:45 C 11 43 25.64 -04 20 33.7 r 168
2013-04-17 20:35:30 C 11 43 25.72 -04 20 34.0 r 168
2013-04-17 20:38:55 C 11 43 25.69 -04 20 34.0 r 168
2013-04-26 03:54:20 C 11 47 36.66 -04 22 25.2 u H21
2013-04-26 04:00:49 C 11 47 36.81 -04 22 25.4 u H21
2013-04-26 04:03:59 C 11 47 36.90 -04 22 25.5 u H21
2013-04-30 06:43:06 C 11 50 27.70 -04 28 07.4 u 703
2013-04-30 06:53:34 C 11 50 27.99 -04 28 08.0 u 703
2013-04-30 07:04:09 C 11 50 28.28 -04 28 08.5 u 703
2013-04-30 07:14:34 C 11 50 28.50 -04 28 10.7 u 703
2014-08-18 11:08:57 C 23 49 51.196 +00 54 35.61 L F51
2014-08-18 11:25:45 C 23 49 50.670 +00 54 33.86 L F51