2011 BC40

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6167806333 ± 5.87e-08
Semi-major axis (a)2.2261737213 AU ± 9.62e-09
Inclination (i)8.07119318° ± 7.65e-06
Long. of Asc. Node (Ω)215.44817404° ± 2.39e-04
Arg. of Perihelion (ω)194.44927115° ± 2.34e-04
Mean Anomaly (M)182.13243383° ± 1.59e-05
Mean Motion (n)0.2967383643°/day ± 1.92e-09
Perihelion dist (q)0.85311288 AU ± 1.31e-07
Aphelion dist (Q)3.59923456 AU ± 1.32e-07
Orbital Period3.32153305 yr ± 2.15e-08
Physical Parameters
H (abs. magnitude)20.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.366″
Uncertainty0
Orbit TypeApollo
MOID0.081782 AU
Observations Used67
Oppositions7
Arc Total2011-2021
First Observation Used2011-01-30
Last Observation Used2021-02-13
Observations (74)
Date Type RA Dec Mag Band Observatory
2011-01-15 01:17:30 S 02 43 17.578 -26 25 26.69 L C51
2011-01-15 02:52:40 S 02 44 07.010 -26 22 42.42 L C51
2011-01-15 04:28:01 S 02 44 56.213 -26 19 54.73 L C51
2011-01-15 06:03:11 S 02 45 45.281 -26 17 08.99 L C51
2011-01-15 09:13:31 S 02 47 23.669 -26 11 30.44 L C51
2011-01-30 04:48:05 C 05 09 29.12 -12 59 39.1 r 703
2011-01-30 04:56:15 C 05 09 31.46 -12 59 21.0 r 703
2011-01-30 05:04:36 C 05 09 33.76 -12 59 03.3 r 703
2011-01-30 06:10:23 C 05 09 51.84 -12 56 42.1 r G96
2011-01-30 06:12:54 C 05 09 52.56 -12 56 36.9 r G96
2011-01-30 06:15:22 C 05 09 53.24 -12 56 31.4 r G96
2011-01-30 06:17:52 C 05 09 53.92 -12 56 26.1 r G96
2011-01-30 07:08:19 C 05 10 07.86 -12 54 36.8 c 651
2011-01-30 07:12:17 C 05 10 08.94 -12 54 27.9 c 651
2011-01-30 20:14:47 C 05 13 48.02 -12 27 00.1 u J95
2011-01-30 20:32:36 C 05 13 52.82 -12 26 23.5 u J95
2011-01-30 20:52:46 C 05 13 58.22 -12 25 40.1 u J95
2011-01-30 21:07:47 C 05 14 02.27 -12 25 08.7 u J95
2011-01-31 03:12:33 C 05 15 42.05 -12 12 19.9 o H01
2011-01-31 03:18:59 C 05 15 43.74 -12 12 06.6 o H01
2011-01-31 03:31:58 C 05 15 46.62 -12 11 41.2 t H21
2011-01-31 03:38:07 C 05 15 48.77 -12 11 26.8 o H01
2011-01-31 03:39:15 C 05 15 48.51 -12 11 25.9 t H21
2011-01-31 03:45:57 C 05 15 50.81 -12 11 10.2 o H01
2011-01-31 03:46:30 C 05 15 50.41 -12 11 11.0 t H21
2011-01-31 10:32:55 C 05 17 39.72 -11 56 27.1 o 474
2011-01-31 10:35:24 C 05 17 40.29 -11 56 21.6 o 474
2011-01-31 10:37:24 C 05 17 40.90 -11 56 17.4 o 474
2011-01-31 10:39:35 C 05 17 41.48 -11 56 13.0 o 474
2011-02-01 12:35:59 C 05 24 27.09 -11 04 06.1 o 300
2011-02-01 12:41:42 C 05 24 28.53 -11 03 54.2 o 300
2011-02-01 12:47:24 C 05 24 29.86 -11 03 43.5 o 300
2011-02-01 12:53:03 C 05 24 31.30 -11 03 31.9 o 300
2011-02-01 20:57:29 C 05 26 33.53 -10 47 31.8 v 204
2011-02-01 21:23:45 C 05 26 39.94 -10 46 39.8 v 204
2011-02-03 03:48:16 C 05 34 04.07 -09 47 38.9 t G58
2011-02-03 03:51:33 C 05 34 04.84 -09 47 32.6 t G58
2011-02-03 03:56:49 C 05 34 06.10 -09 47 23.4 t G58
2011-02-08 03:27:19 C 05 59 31.11 -06 18 44.7 o H21
2011-02-08 03:34:07 C 05 59 32.42 -06 18 34.6 o H21
2011-02-08 03:42:20 C 05 59 33.97 -06 18 21.9 o H21
2011-02-08 04:04:02 C 05 59 38.52 -06 17 44.4 c 926
2011-02-08 04:06:55 C 05 59 39.05 -06 17 39.6 c 926
2011-02-08 04:09:47 C 05 59 39.60 -06 17 34.8 c 926
2011-02-10 03:18:12 C 06 08 21.47 -05 05 07.6 o H21
2011-02-10 03:20:10 C 06 08 21.80 -05 05 04.9 o H21
2011-02-10 03:27:22 C 06 08 23.02 -05 04 54.3 o H21
2011-02-19 01:07:57 C 06 41 11.14 -00 35 35.9 o H21
2011-02-19 01:23:25 C 06 41 13.11 -00 35 19.6 o H21
2011-02-19 01:40:24 C 06 41 15.33 -00 35 01.5 o H21