NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2009BD81 ∴ Orbital info ∴ Epoch 54870 MJD
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2009BD81  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2009BD81.eq0)
Keplerian elements
(Epoch 54870.5 MJD)
Value 1-σ variation Units
a 2.59263 0.01246 au
e 0.639398 0.001782
i 12.464 0.02247 deg
Ω 344.379 0.002349 deg
ω 190.536 0.002262 deg
M 352.69 0.05371 deg
Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9349 au
Aphelion distance 4.2503 au
Asc. node-Earth separation 3.12074 au
Desc. node-Earth separation -0.05054 au
Earth MOID 0.04559 au
Orbital period 1524.78 days
Date of orbit computation   feb 26 10:37

Covariance matrix
1.55162796E-042.21983956E-052.79951115E-042.91474703E-052.81366866E-056.69082302E-04
2.21983956E-053.17581798E-064.00512570E-054.17006986E-064.02541512E-069.57223694E-05
2.79951115E-044.00512570E-055.05100580E-045.25853939E-055.07667829E-051.20718627E-03
2.91474703E-054.17006986E-065.25853939E-055.51630898E-065.29412391E-061.25678984E-04
2.81366866E-054.02541512E-065.07667829E-055.29412391E-065.11536804E-061.21325302E-04
6.69082302E-049.57223694E-051.20718627E-031.25678984E-041.21325302E-042.88517273E-03

Correlation matrix
1.000000000.999999970.999998780.996283130.998713020.99999962
0.999999971.000000000.999998660.996302540.998721570.99999938
0.999998780.999998661.000000000.996212310.998739590.99999872
0.996283130.996302540.996212311.000000000.996624060.99621358
0.998713020.998721570.998739590.996624061.000000000.99868155
0.999999620.999999380.999998720.996213580.998681551.00000000