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
2009-01-30 04:50:05 C 08 57 08.56 +43 58 30.9 r 703
2009-01-30 05:16:28 C 08 57 02.01 +43 57 00.0 r 703
2009-01-30 05:29:43 C 08 56 58.56 +43 56 14.2 r 703
2009-01-30 07:52:52 C 08 56 21.86 +43 47 54.7 r H36
2009-01-30 08:03:38 C 08 56 19.16 +43 47 17.3 r H36
2009-01-30 08:06:19 C 08 56 18.52 +43 47 08.6 r H36
2009-01-30 08:21:21 C 08 56 15.15 +43 46 20.2 r 703
2009-01-30 08:37:21 C 08 56 11.07 +43 45 24.4 r 703
2009-01-30 08:49:59 C 08 56 07.90 +43 44 38.0 c 854
2009-01-30 08:51:22 C 08 56 07.70 +43 44 33.8 c 854
2009-01-30 08:52:45 C 08 56 07.37 +43 44 30.1 c 854
2009-01-30 09:08:55 C 08 56 03.15 +43 43 33.8 r 703
2009-01-30 18:03:22 C 08 53 56.33 +43 12 16.1 c 104
2009-01-30 18:06:38 C 08 53 55.60 +43 12 04.7 c 104
2009-01-30 18:09:30 C 08 53 54.93 +43 11 55.7 c 104
2009-01-30 18:18:06 C 08 53 52.73 +43 11 23.8 r A17
2009-01-30 18:36:31 C 08 53 48.32 +43 10 20.5 r A17
2009-01-30 18:49:04 C 08 53 45.29 +43 09 36.5 r A17
2009-01-30 19:12:46 C 08 53 39.76 +43 08 15.2 r 185
2009-01-30 19:15:47 C 08 53 38.96 +43 08 04.7 r 185
2009-01-30 19:22:52 C 08 53 37.23 +43 07 41.1 v 204
2009-01-30 19:43:56 C 08 53 32.13 +43 06 28.4 v 204
2009-01-30 19:51:30 C 08 53 30.32 +43 06 02.2 v 204
2009-01-30 20:04:39 C 08 53 27.15 +43 05 17.3 c 587
2009-01-30 20:09:55 C 08 53 25.88 +43 04 58.2 c 587
2009-01-30 20:15:19 C 08 53 24.52 +43 04 39.6 o 611
2009-01-30 20:17:07 C 08 53 24.14 +43 04 34.4 c 587
2009-01-30 20:19:18 C 08 53 23.52 +43 04 25.5 o 611
2009-01-30 20:19:25 C 08 53 23.59 +43 04 26.7 c 587
2009-01-30 20:23:16 C 08 53 22.58 +43 04 11.9 o 611
2009-01-30 21:02:18 C 08 53 13.62 +43 01 58.8 r 493
2009-01-30 21:03:57 C 08 53 13.21 +43 01 53.4 r 493
2009-01-30 21:07:14 C 08 53 12.42 +43 01 42.1 r 493
2009-01-30 21:56:07 C 08 53 00.24 +42 58 52.5 r B09
2009-01-30 22:05:30 C 08 52 57.90 +42 58 18.5 r B09
2009-01-30 22:08:46 C 08 52 57.13 +42 58 06.4 r B09
2009-01-30 22:14:32 C 08 52 55.71 +42 57 46.8 r B09
2009-01-30 23:09:35 C 08 52 42.30 +42 54 35.0 o A99
2009-01-30 23:18:12 C 08 52 40.21 +42 54 04.6 o A99
2009-01-30 23:30:50 C 08 52 37.15 +42 53 21.0 o A99
2009-01-31 00:03:40 C 08 52 29.27 +42 51 26.1 c A24
2009-01-31 00:06:18 C 08 52 28.62 +42 51 16.5 c A24
2009-01-31 00:08:57 C 08 52 27.98 +42 51 07.1 c A24
2009-01-31 00:11:19 C 08 52 27.39 +42 50 58.7 c A24
2009-01-31 00:13:40 C 08 52 26.87 +42 50 50.8 c A24
2009-02-01 07:57:04 C 08 45 16.52 +40 59 21.6 o G58
2009-02-01 08:04:36 C 08 45 14.87 +40 58 56.3 o G58
2009-02-01 08:12:07 C 08 45 13.13 +40 58 28.7 o G58
2009-02-03 02:10:14 C 08 36 35.52 +38 30 20.8 o H55
2009-02-03 02:17:08 C 08 36 34.08 +38 29 56.5 o H55