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
2011-02-20 20:17:07 C 06 46 48.40 +00 08 43.6 o 950
2011-02-20 20:17:44 C 06 46 48.47 +00 08 44.3 o 950
2011-02-20 20:18:22 C 06 46 48.51 +00 08 44.8 o 950
2011-02-20 20:18:59 C 06 46 48.60 +00 08 45.2 o 950
2011-02-20 20:19:36 C 06 46 48.68 +00 08 46.1 o 950
2011-03-04 05:07:11 C 07 17 25.46 +03 49 19.1 o 291
2011-03-04 05:12:43 C 07 17 25.89 +03 49 23.2 o 291
2011-03-04 05:17:59 C 07 17 26.46 +03 49 25.7 o 291
2020-06-22 11:49:52 C 20 32 00.538 -04 06 37.47 V F51
2020-06-22 12:09:12 C 20 32 00.175 -04 06 31.05 V F51
2020-06-22 12:28:32 C 20 31 59.825 -04 06 24.62 V F51
2020-07-02 13:34:46 C 20 26 10.494 -02 48 12.09 V F51
2020-07-02 13:39:48 C 20 26 10.298 -02 48 10.48 V F51
2020-07-02 13:44:51 C 20 26 10.126 -02 48 08.99 V F51
2020-07-19 09:01:59 C 20 06 40.501 -01 05 29.02 U F51
2020-07-19 09:33:43 C 20 06 38.397 -01 05 23.23 U F51
2020-07-19 09:49:32 C 20 06 37.337 -01 05 20.35 U F51
2021-01-13 11:49:35 C 09 34 50.01 -27 30 49.4 V T08
2021-01-13 11:52:54 C 09 34 49.61 -27 30 43.4 V T08
2021-01-13 11:56:53 C 09 34 49.16 -27 30 34.7 V T08
2021-01-13 12:04:10 C 09 34 48.36 -27 30 21.5 V T08
2021-02-13 07:27:17 C 08 50 26.405 -07 43 53.08 U F51
2021-02-13 07:44:00 C 08 50 25.908 -07 43 32.49 U F51
2021-02-13 08:17:30 C 08 50 24.883 -07 42 51.26 U F51