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
2013-01-26 09:40:59 C 11 45 38.23 +00 50 08.4 q H21
2013-01-26 09:45:45 C 11 45 38.50 +00 50 04.5 q H21
2013-01-26 09:50:30 C 11 45 38.80 +00 50 00.5 q H21
2013-01-27 08:41:20 C 11 47 07.63 +00 31 08.5 u H21
2013-01-27 08:46:23 C 11 47 07.92 +00 31 04.4 u H21
2013-01-27 08:52:53 C 11 47 08.27 +00 30 59.2 u H21
2013-01-27 08:58:17 C 11 47 08.58 +00 30 54.7 u H21
2013-01-27 09:01:54 C 11 47 08.77 +00 30 51.8 u H21
2013-01-27 09:05:52 C 11 47 08.99 +00 30 48.5 u H21
2013-02-07 11:24:15 C 11 59 36.44 -02 38 58.8 o 691
2013-02-07 11:37:41 C 11 59 36.70 -02 39 07.0 r 703
2013-02-07 11:46:00 C 11 59 36.92 -02 39 11.9 r 703
2013-02-07 11:46:06 C 11 59 36.92 -02 39 11.6 o 691
2013-02-07 11:54:24 C 11 59 37.06 -02 39 17.0 r 703
2013-02-07 12:02:44 C 11 59 37.28 -02 39 21.9 r 703
2013-02-07 12:07:59 C 11 59 37.41 -02 39 24.7 o 691
2013-02-10 16:56:29 C 12 01 36.06 -03 22 37.4 r D29
2013-02-10 17:20:48 C 12 01 36.35 -03 22 50.6 r D29
2013-02-10 17:45:06 C 12 01 36.71 -03 23 03.2 r D29
2013-02-14 09:52:13 C 12 02 56.83 -04 05 42.9 r 703
2013-02-14 10:06:53 C 12 02 56.83 -04 05 49.3 r 703
2013-02-14 10:21:34 C 12 02 56.86 -04 05 55.5 r 703
2013-02-14 10:36:16 C 12 02 56.90 -04 06 02.1 r 703
2013-02-14 11:42:55 C 12 02 58.652 -04 06 25.37 L F51
2013-02-14 11:59:58 C 12 02 58.661 -04 06 32.91 L F51
2013-02-14 12:17:08 C 12 02 58.666 -04 06 40.50 L F51
2013-02-14 12:33:30 C 12 02 58.668 -04 06 47.70 L F51
2013-02-15 07:54:02 C 12 03 08.47 -04 15 16.4 w I51
2013-02-15 08:14:40 C 12 03 08.46 -04 15 25.1 w I51
2013-02-15 08:34:42 C 12 03 08.45 -04 15 33.6 w I51
2013-02-15 17:40:38 C 12 03 13.28 -04 19 18.4 r D29
2013-02-15 18:16:12 C 12 03 13.20 -04 19 33.3 r D29
2013-02-15 18:43:32 C 12 03 13.13 -04 19 44.5 r D29
2013-02-23 09:06:47 C 12 02 43.15 -05 19 02.6 r 703
2013-02-23 09:15:46 C 12 02 42.97 -05 19 04.4 r 703
2013-02-23 09:24:50 C 12 02 42.79 -05 19 06.8 r 703
2013-02-23 09:33:51 C 12 02 42.61 -05 19 08.7 r 703
2013-02-23 09:43:43 C 12 02 42.43 -05 19 10.9 r 703
2013-02-23 09:52:54 C 12 02 42.21 -05 19 13.2 r 703
2013-02-23 10:02:14 C 12 02 42.07 -05 19 15.4 r 703
2013-02-23 10:11:33 C 12 02 41.89 -05 19 17.6 r 703
2013-02-24 06:52:39 C 12 02 27.63 -05 24 06.6 u H21
2013-02-24 06:57:35 C 12 02 27.53 -05 24 07.7 u H21
2013-02-24 07:02:54 C 12 02 27.41 -05 24 09.0 u H21
2013-02-24 07:08:12 C 12 02 27.31 -05 24 10.1 u H21
2013-02-24 07:13:30 C 12 02 27.19 -05 24 11.3 u H21
2013-02-24 07:18:48 C 12 02 27.08 -05 24 12.4 u H21
2013-02-24 07:23:45 C 12 02 26.98 -05 24 13.7 u H21
2013-02-25 08:02:24 C 12 02 05.90 -05 29 23.0 u H21
2013-02-25 08:07:24 C 12 02 05.78 -05 29 24.0 u H21