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
1998-11-15 04:07:56 C 23 22 41.34 -00 19 01.2 z 711
1998-11-15 04:26:49 C 23 22 41.40 -00 19 01.5 z 711
1998-11-16 04:12:23 C 23 22 50.98 -00 19 07.8 z 711
1998-11-16 04:31:16 C 23 22 51.08 -00 19 07.7 z 711
2004-05-09 13:10:06 C 16 46 18.61 -26 24 35.5 r E14
2004-05-09 13:34:03 C 16 46 17.16 -26 24 35.1 r E14
2004-05-09 14:02:52 C 16 46 15.18 -26 24 32.4 r E14
2005-10-01 07:22:21 C 02 30 34.52 +19 22 28.1 d 291
2005-10-01 07:47:40 C 02 30 34.12 +19 22 30.4 d 291
2005-10-01 08:03:52 C 02 30 33.87 +19 22 31.9 d 291
2005-10-01 09:52:49 C 02 30 32.11 +19 22 40.7 o 699
2005-10-01 10:21:44 C 02 30 31.63 +19 22 43.1 o 699
2005-10-01 11:00:01 C 02 30 30.88 +19 22 44.7 o 699
2005-10-01 11:27:22 C 02 30 30.52 +19 22 48.2 o 699
2005-10-08 07:19:27 C 02 27 11.62 +19 31 19.8 18.8 c 704
2005-10-08 07:35:15 C 02 27 11.14 +19 31 19.8 19.2 c 704
2005-10-08 07:51:20 C 02 27 10.66 +19 31 19.8 19.4 c 704
2005-10-08 08:07:10 C 02 27 10.14 +19 31 20.5 19.4 c 704
2005-10-08 08:23:00 C 02 27 09.68 +19 31 20.7 19.3 c 704
2005-10-10 08:44:30 C 02 25 44.55 +19 31 44.5 c 691
2005-10-10 09:09:29 C 02 25 43.66 +19 31 44.3 c 691
2005-10-10 09:34:31 C 02 25 42.80 +19 31 44.1 c 691
2005-10-13 07:20:16 C 02 23 19.81 +19 30 26.4 18.7 c 704
2005-10-13 07:35:59 C 02 23 19.08 +19 30 26.1 19.3 c 704
2005-10-13 07:51:41 C 02 23 18.48 +19 30 26.3 18.7 c 704
2005-10-13 08:07:24 C 02 23 17.83 +19 30 25.8 19.4 c 704
2005-10-13 08:23:06 C 02 23 17.19 +19 30 24.9 19.8 c 704
2005-10-23 08:29:30 C 02 12 11.41 +19 08 09.4 r 703
2005-10-23 08:41:49 C 02 12 10.87 +19 08 08.0 r 703
2005-10-23 08:54:10 C 02 12 10.08 +19 08 05.0 r 703
2005-10-23 09:06:32 C 02 12 09.36 +19 08 01.3 r 703
2005-10-24 05:58:52 C 02 11 01.24 +19 04 44.5 o 699
2005-10-24 06:30:28 C 02 10 59.37 +19 04 39.7 o 699
2005-10-24 07:02:05 C 02 10 57.52 +19 04 34.6 o 699
2005-10-25 05:12:27 C 02 09 43.07 +19 00 47.8 o 699
2005-10-25 05:45:25 C 02 09 41.05 +19 00 43.3 o 699
2005-10-25 06:18:23 C 02 09 39.04 +19 00 37.5 o 699
2005-10-25 06:51:20 C 02 09 37.04 +19 00 31.7 o 699
2005-10-27 22:10:38 C 02 05 54.97 +18 48 18.2 r 084
2005-10-27 22:16:18 C 02 05 54.62 +18 48 17.0 r 084
2005-10-29 07:38:02 C 02 03 53.64 +18 41 15.6 r 703
2005-10-29 07:48:50 C 02 03 52.88 +18 41 13.4 r 703
2005-10-29 07:59:47 C 02 03 52.20 +18 41 10.8 r 703
2005-10-29 08:10:38 C 02 03 51.51 +18 41 08.4 r 703
2005-10-30 01:26:59 C 02 02 47.81 +18 37 05.2 r 084
2005-10-30 06:14:43 C 02 02 30.75 +18 36 06.7 18.2 c 704
2005-10-30 06:31:57 C 02 02 29.56 +18 36 03.7 18.0 c 704
2005-10-30 06:49:24 C 02 02 28.42 +18 35 59.6 18.2 c 704
2005-10-30 07:06:34 C 02 02 27.29 +18 35 55.6 18.4 c 704
2005-10-30 07:23:56 C 02 02 26.15 +18 35 51.6 18.4 c 704