2009 BK71

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3773486154 ± 2.49e-07
Semi-major axis (a)1.8223145769 AU ± 2.88e-08
Inclination (i)36.30378509° ± 3.06e-05
Long. of Asc. Node (Ω)318.12305502° ± 9.54e-06
Arg. of Perihelion (ω)105.93078499° ± 5.35e-05
Mean Anomaly (M)328.61824768° ± 6.85e-05
Mean Motion (n)0.4006611677°/day ± 9.51e-09
Perihelion dist (q)1.13466669 AU ± 4.54e-07
Aphelion dist (Q)2.50996246 AU ± 4.55e-07
Orbital Period2.45999953 yr ± 5.84e-08
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.371″
Uncertainty0
Orbit TypeAmor
MOID0.368134 AU
Observations Used86
Oppositions9
Arc Total2009-2025
First Observation Used2009-01-30
Last Observation Used2025-12-19
Observations (94)
Date Type RA Dec Mag Band Observatory
2009-02-03 02:21:03 C 08 36 33.30 +38 29 43.0 o H55
2009-02-04 08:26:31 C 08 30 53.02 +36 44 11.9 r 448
2009-02-04 08:34:54 C 08 30 51.47 +36 43 42.7 r 448
2009-02-04 08:43:03 C 08 30 49.98 +36 43 13.6 r 448
2009-02-04 08:50:52 C 08 30 48.49 +36 42 46.3 r 448
2009-02-04 19:55:01 C 08 28 52.55 +36 04 02.7 r A13
2009-02-04 20:00:12 C 08 28 51.58 +36 03 44.9 r A13
2009-02-04 20:26:59 C 08 28 46.85 +36 02 12.1 r A13
2009-02-04 20:32:15 C 08 28 45.87 +36 01 54.3 r A13
2009-02-05 06:53:06 C 08 26 57.95 +35 26 06.1 o H55
2009-02-05 06:57:19 C 08 26 57.22 +35 25 51.7 o H55
2009-02-05 07:01:06 C 08 26 56.57 +35 25 38.5 o H55
2009-02-11 04:16:30 C 08 07 13.66 +27 40 49.7 o 673
2009-02-11 04:25:50 C 08 07 12.55 +27 40 20.8 o 673
2009-02-11 04:34:39 C 08 07 11.49 +27 39 53.6 o 673
2009-02-11 04:47:40 C 08 07 09.95 +27 39 13.4 o 673
2009-02-13 03:03:56 C 08 02 17.47 +25 20 27.3 o H55
2009-02-13 03:07:57 C 08 02 17.07 +25 20 15.6 o H55
2009-02-13 03:15:01 C 08 02 16.33 +25 19 55.8 o H55
2009-02-13 05:14:21 C 08 02 04.48 +25 14 11.9 r 703
2009-02-13 05:23:04 C 08 02 03.55 +25 13 45.2 r 703
2009-02-13 05:31:42 C 08 02 02.68 +25 13 19.9 r 703
2009-02-14 03:16:34 C 08 00 00.80 +24 10 57.4 o 691
2009-02-14 03:40:39 C 07 59 58.53 +24 09 50.4 o 691
2009-02-14 04:04:47 C 07 59 56.22 +24 08 42.5 o 691
2009-02-23 03:47:44 C 07 46 10.03 +15 25 07.5 o H55
2009-02-23 03:55:51 C 07 46 09.66 +15 24 51.3 o H55
2009-02-23 04:00:04 C 07 46 09.46 +15 24 42.8 o H55
2009-03-15 04:34:32 C 07 42 06.03 +04 00 26.7 o 291
2009-03-15 04:40:27 C 07 42 06.13 +04 00 21.7 o 291
2009-03-15 04:46:03 C 07 42 06.18 +04 00 16.2 o 291
2013-09-08 05:14:36 C 06 20 35.61 +70 47 23.7 q 950
2013-09-08 05:16:22 C 06 20 36.43 +70 47 24.1 q 950
2013-09-08 05:18:10 C 06 20 37.28 +70 47 24.8 q 950
2013-09-08 05:19:57 C 06 20 38.17 +70 47 25.5 q 950
2013-09-08 05:21:44 C 06 20 38.94 +70 47 26.1 q 950
2014-01-26 14:12:18 C 11 09 57.952 -01 46 35.08 L F51
2014-01-26 14:29:00 C 11 09 55.756 -01 47 03.69 L F51
2025-07-27 10:39:06 C 21 05 25.214 -35 24 28.67 X F51
2025-07-27 10:53:09 C 21 05 23.598 -35 24 22.87 X F51
2025-07-27 11:21:14 C 21 05 20.362 -35 24 10.50 X F51
2025-12-19 01:34:30 C 21 05 25.062 +12 02 36.24 V V00
2025-12-19 01:42:33 C 21 05 25.829 +12 02 43.48 V V00
2025-12-19 01:50:37 C 21 05 26.588 +12 02 50.57 V V00