2009 BA71

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2570639808 ± 1.22e-07
Semi-major axis (a)1.6394690402 AU ± 5.88e-08
Inclination (i)3.85109770° ± 7.21e-06
Long. of Asc. Node (Ω)131.18828942° ± 4.34e-05
Arg. of Perihelion (ω)29.12169100° ± 6.14e-05
Mean Anomaly (M)347.19902389° ± 1.67e-04
Mean Motion (n)0.4695236216°/day ± 2.53e-08
Perihelion dist (q)1.21802060 AU ± 2.05e-07
Aphelion dist (Q)2.06091748 AU ± 2.13e-07
Orbital Period2.09920489 yr ± 1.13e-07
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.272″
Uncertainty0
Orbit TypeAmor
MOID0.229977 AU
Observations Used109
Oppositions2
Arc Total2007-2010
First Observation Used2007-03-15
Last Observation Used2010-12-04
Observations (120)
Date Type RA Dec Mag Band Observatory
2009-03-17 05:07:29 C 10 30 26.60 +22 30 31.1 r 703
2009-03-17 05:15:18 C 10 30 26.74 +22 30 32.7 r 703
2009-03-17 05:23:08 C 10 30 27.10 +22 30 34.0 r 703
2009-03-17 05:30:51 C 10 30 27.21 +22 30 35.7 r 703
2009-03-17 21:11:57 C 10 31 04.37 +22 31 58.3 r A13
2009-03-18 04:12:13 C 10 31 21.01 +22 32 40.9 r H45
2009-03-18 04:30:49 C 10 31 21.62 +22 32 42.6 r H45
2009-03-18 04:32:47 C 10 31 21.70 +22 32 43.1 r H45
2009-03-18 04:34:38 C 10 31 21.74 +22 32 43.1 r H45
2009-03-18 04:36:21 C 10 31 21.82 +22 32 43.2 r H45
2009-03-18 04:38:09 C 10 31 21.85 +22 32 43.5 r H45
2009-04-02 22:21:02 C 10 50 13.48 +21 41 31.6 o 198
2009-04-02 22:26:11 C 10 50 13.72 +21 41 30.2 o 198
2009-04-02 23:36:48 C 10 50 17.73 +21 41 05.8 o 198
2009-04-09 04:45:11 C 10 59 36.55 +20 41 09.6 o H55
2009-04-09 04:57:26 C 10 59 37.22 +20 41 04.8 o H55
2010-12-04 07:24:42 C 04 51 08.31 +13 03 49.6 r G96
2010-12-04 07:34:45 C 04 51 07.66 +13 03 48.7 r G96
2010-12-04 07:47:04 C 04 51 06.84 +13 03 47.9 r G96
2010-12-04 07:57:08 C 04 51 06.19 +13 03 46.8 r G96