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
1950-12-09 10:38:00 08 03 40.24 +26 46 00.8 675
1950-12-09 11:23:00 08 03 44.48 +26 45 49.5 675
1990-01-21 21:33:59 A 06 31 07.55 +26 18 10.2 16.0 010
1990-01-21 22:23:59 A 06 31 10.31 +26 17 43.9 010
1990-01-21 22:34:00 A 06 31 11.14 +26 17 36.4 010
1990-01-21 22:43:59 A 06 31 11.56 +26 17 32.7 010
1990-01-22 06:33:29 A 06 31 44.74 +26 13 22.3 16.0 675
1990-01-22 21:29:01 A 06 32 49.29 +26 04 51.7 16.0 010
1990-01-22 22:12:01 A 06 32 51.76 +26 04 28.8 010
1990-01-22 22:22:01 A 06 32 52.50 +26 04 22.4 010
1990-01-22 22:32:08 A 06 32 52.97 +26 04 18.6 010
1990-01-24 05:12:45 A 06 35 09.48 +25 47 06.0 15.5 675
1990-01-24 05:50:00 A 06 35 11.75 +25 46 43.8 675
1990-01-25 04:24:44 A 06 36 55.95 +25 33 46.2 675
1990-01-26 06:45:59 A 06 38 58.51 +25 18 21.3 657
1990-02-21 04:01:17 A 07 41 27.86 +18 56 52.1 801
1990-02-21 04:31:16 A 07 41 31.03 +18 56 33.1 801
1990-02-27 03:24:23 A 07 57 42.72 +17 31 14.5 801
1990-02-27 03:44:17 A 07 57 44.83 +17 31 02.2 801
1990-03-16 03:22:59 08 43 39.52 +13 42 38.7 261
1990-03-16 04:12:59 08 43 44.71 +13 42 12.9 261
1990-03-23 02:19:13 A 09 01 42.19 +12 15 30.7 801
1990-03-23 02:27:14 A 09 01 43.11 +12 15 26.3 801
1990-03-27 02:31:38 A 09 11 52.52 +11 26 41.6 801
1990-03-27 02:52:52 A 09 11 54.64 +11 26 29.7 801
1990-04-15 03:47:00 09 57 58.27 +07 42 20.9 261
1990-04-15 04:32:00 09 58 02.42 +07 42 00.1 261
1990-04-22 06:42:00 A 10 14 15.42 +06 20 27.3 688
1990-04-22 06:55:29 A 10 14 16.71 +06 20 20.8 688
1997-01-17 11:33:04 C 13 39 15.59 -11 35 19.6 z 684
1997-01-17 11:42:07 C 13 39 16.71 -11 35 26.1 z 684
1997-01-18 11:36:44 C 13 41 52.46 -11 53 44.8 z 684
1997-01-18 11:52:20 C 13 41 54.13 -11 53 55.7 z 684
1997-03-31 17:08:45 C 14 57 07.94 -22 12 58.0 360
1997-03-31 17:17:00 C 14 57 07.54 -22 12 57.1 360
1997-03-31 17:25:29 C 14 57 07.13 -22 12 56.6 360
1997-04-03 02:23:24 C 14 54 36.26 -22 07 40.6 z 046
1997-04-03 02:26:13 C 14 54 36.11 -22 07 40.0 z 046
1997-04-03 02:29:17 C 14 54 36.00 -22 07 39.8 z 046
1997-04-14 07:52:43 C 14 39 35.77 -21 17 49.8 z 684
1997-04-14 07:59:20 C 14 39 35.29 -21 17 47.7 z 684
1997-04-14 09:15:14 C 14 39 30.29 -21 17 28.4 z 684
1997-04-14 09:21:41 C 14 39 29.86 -21 17 26.9 z 684
1997-05-05 15:16:14 C 14 08 54.93 -18 32 36.6 360
1997-05-05 15:22:59 C 14 08 54.59 -18 32 34.5 360
1997-05-05 15:31:14 C 14 08 54.15 -18 32 31.6 360
1998-08-23 10:29:08 C 00 39 59.24 +06 47 50.5 711
1998-08-23 10:47:56 C 00 39 58.91 +06 47 50.4 711
1998-08-25 10:10:36 C 00 39 14.49 +06 47 27.5 711
1998-08-25 10:29:26 C 00 39 14.20 +06 47 27.4 711