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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009XT18 ∴ Orbital info ∴ Epoch epochXXX
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(499357) 2009XT18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 499357.eq1)
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71661 3.142e-08 au
e 0.074467 6.865e-08
i 11.795 6.931e-06 deg
Ω 287.644 3.431e-05 deg
ω 198.189 6.373e-05 deg
M 54.618 5.6e-05 deg
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5143 au
Aphelion 2.9189 au
Asc. node-Earth separation 1.89066 au
Desc. node-Earth separation 1.54029 au
Earth MOID 1.53313 au
Orbital period 1635.46 days
Date of orbit computation  apr 23 21:36
Correlation matrix
1.00000000-0.194810290.028449290.000704410.27725312-0.47183627
-0.194810291.000000000.00548088-0.009847380.13297191-0.08321805
0.028449290.005480881.000000000.12854556-0.06187102-0.01076691
0.00070441-0.009847380.128545561.00000000-0.52674232-0.00018702
0.277253120.13297191-0.06187102-0.526742321.00000000-0.83545022
-0.47183627-0.08321805-0.01076691-0.00018702-0.835450221.00000000
Covariance matrix
9.87116148E-16-4.20153459E-166.19497110E-157.59297785E-165.55132327E-13-8.30210674E-13
-4.20153459E-164.71220126E-152.60762861E-15-2.31918771E-145.81711679E-13-3.19920676E-13
6.19497110E-152.60762861E-154.80360815E-113.05664052E-11-2.73279458E-11-4.17914733E-12
7.59297785E-16-2.31918771E-143.05664052E-111.17708281E-09-1.15169550E-09-3.59338464E-13
5.55132327E-135.81711679E-13-2.73279458E-11-1.15169550E-094.06136386E-09-2.98173736E-09
-8.30210674E-13-3.19920676E-13-4.17914733E-12-3.59338464E-13-2.98173736E-093.13635865E-09