2009 BH81

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2749901297 ± 1.08e-07
Semi-major axis (a)1.6317810735 AU ± 3.59e-08
Inclination (i)45.13272580° ± 2.37e-05
Long. of Asc. Node (Ω)154.25347297° ± 7.66e-06
Arg. of Perihelion (ω)78.39291718° ± 4.96e-05
Mean Anomaly (M)334.42736486° ± 1.15e-04
Mean Motion (n)0.4728456944°/day ± 1.56e-08
Perihelion dist (q)1.18305738 AU ± 1.79e-07
Aphelion dist (Q)2.08050476 AU ± 1.83e-07
Orbital Period2.08445650 yr ± 6.88e-08
Physical Parameters
H (abs. magnitude)19.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.365″
Uncertainty0
Orbit TypeAmor
MOID0.404801 AU
Observations Used72
Oppositions2
Arc Total2009-2013
First Observation Used2009-01-31
Last Observation Used2013-01-13
Observations (80)
Date Type RA Dec Mag Band Observatory
2011-02-11 12:36:32 C 10 07 32.58 -09 16 40.8 o F65
2011-02-11 12:49:43 C 10 07 31.82 -09 16 06.8 o F65
2011-02-13 04:03:50 C 10 05 20.78 -07 31 11.5 u I19
2011-02-13 04:07:56 C 10 05 20.52 -07 31 00.6 u I19
2011-02-13 04:12:02 C 10 05 20.30 -07 30 50.5 u I19
2011-02-22 21:36:19 C 09 50 10.03 +05 04 38.3 v 204
2011-02-22 21:51:29 C 09 50 08.90 +05 05 33.7 v 204
2011-02-22 22:07:09 C 09 50 07.72 +05 06 30.7 v 204
2011-02-25 08:11:05 C 09 45 55.11 +08 43 09.5 19.2 c 704
2011-02-25 08:29:32 C 09 45 53.72 +08 44 18.8 19.1 c 704
2011-02-25 09:06:39 C 09 45 50.81 +08 46 39.3 19.4 c 704
2011-02-25 09:24:48 C 09 45 49.44 +08 47 49.9 19.4 c 704
2011-03-02 04:46:37 C 09 37 17.07 +16 13 05.7 r G96
2011-03-02 04:59:29 C 09 37 16.06 +16 13 55.5 r G96
2011-03-02 05:12:14 C 09 37 15.06 +16 14 45.3 r G96
2011-03-02 06:09:00 C 09 37 10.56 +16 18 27.1 r 703
2011-03-02 06:24:54 C 09 37 09.30 +16 19 29.6 r 703
2011-03-02 06:40:45 C 09 37 08.11 +16 20 31.3 r 703
2011-03-02 06:56:42 C 09 37 06.70 +16 21 33.0 r 703
2011-03-08 23:34:09 C 09 25 23.99 +26 28 46.1 c A24
2011-03-08 23:35:12 C 09 25 23.75 +26 28 49.0 c A24
2011-03-08 23:59:23 C 09 25 21.99 +26 30 15.7 c A24
2011-03-09 00:24:14 C 09 25 20.16 +26 31 44.6 c A24
2011-03-09 00:48:46 C 09 25 18.34 +26 33 12.3 c A24
2011-03-22 20:14:59 C 09 06 24.23 +43 12 50.6 c A24
2011-03-22 20:39:04 C 09 06 23.11 +43 13 48.4 c A24
2011-03-22 21:02:48 C 09 06 21.98 +43 14 44.4 c A24
2013-01-13 06:28:41 C 08 39 06.39 -34 00 37.5 u 807
2013-01-13 06:39:46 C 08 39 05.72 -34 00 32.9 u 807
2013-01-13 06:51:21 C 08 39 04.99 -34 00 27.7 u 807