NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2008BT18 ∴ Orbital info ∴ Epoch 56790 MJD
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(450894) 2008BT18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 450894.eq0)
Keplerian elements
(Epoch 56790.9 MJD)
Value 1-σ variation Units
a 2.22303 2.179e-09 au
e 0.593214 1.322e-08
i 8.132 5.019e-06 deg
Ω 107.69 1.588e-05 deg
ω 139.247 1.654e-05 deg
M 284.761 1.763e-06 deg
Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9043 au
Aphelion distance 3.5418 au
Asc. node-Earth separation 1.6345 au
Desc. node-Earth separation -0.02211 au
Earth MOID 0.01 au
Orbital period 1210.64 days
Date of orbit computation   Jul 29 14:24

Covariance matrix
4.74601082E-18-1.55633816E-172.53225648E-153.96558479E-152.69401673E-15-3.43727202E-15
-1.55633816E-171.74774570E-16-1.43246771E-14-7.69485707E-143.61859189E-141.59781221E-14
2.53225648E-15-1.43246771E-142.51922027E-112.95040672E-11-2.33796250E-11-2.42418359E-12
3.96558479E-15-7.69485707E-142.95040672E-112.52300098E-10-2.50576634E-10-1.95815454E-12
2.69401673E-153.61859189E-14-2.33796250E-11-2.50576634E-102.73605627E-10-5.91457626E-12
-3.43727202E-151.59781221E-14-2.42418359E-12-1.95815454E-12-5.91457626E-123.10704506E-12

Correlation matrix
1.00000000-0.540381510.231584910.114599880.07476071-0.89510867
-0.540381511.00000000-0.21588012-0.366439880.165477130.68566635
0.23158491-0.215880121.000000000.37007531-0.28160604-0.27400511
0.11459988-0.366439880.370075311.00000000-0.95371662-0.06993820
0.074760710.16547713-0.28160604-0.953716621.00000000-0.20285576
-0.895108670.68566635-0.27400511-0.06993820-0.202855761.00000000