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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2001UD18 ∴ Orbital info ∴ Epoch 52208 MJD
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2001UD18  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2001UD18.eq0)
Keplerian elements
(Epoch 52208.9 MJD)
Value 1-σ variation Units
a 1.81026 0.006788 au
e 0.443894 0.002053
i 2.778 0.01052 deg
Ω 211.962 0.0003004 deg
ω 183.36 0.03955 deg
M 359.407 0.01739 deg
Other useful info
Absolute Magnitude (H)    27.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0067 au
Aphelion distance 2.6138 au
Asc. node-Earth separation 1.60594 au
Desc. node-Earth separation 0.01291 au
Earth MOID 0.01291 au
Orbital period 889.627 days
Date of orbit computation   feb 26 10:22

Covariance matrix
4.60783502E-051.39326452E-057.14071249E-05-1.36561969E-06-2.53375806E-041.14132549E-04
1.39326452E-054.21279475E-062.15910500E-05-4.13086910E-07-7.66024425E-053.45065509E-05
7.14071249E-052.15910500E-051.10749831E-04-2.05011120E-06-3.96240723E-041.78085084E-04
-1.36561969E-06-4.13086910E-07-2.05011120E-069.02628117E-084.76969058E-06-2.45423671E-06
-2.53375806E-04-7.66024425E-05-3.96240723E-044.76969058E-061.56445738E-03-6.85729013E-04
1.14132549E-043.45065509E-051.78085084E-04-2.45423671E-06-6.85729013E-043.02441191E-04

Correlation matrix
1.000000000.999999920.99958919-0.66961763-0.943701870.96680878
0.999999921.000000000.99957889-0.66988747-0.943573210.96670938
0.999589190.999578891.00000000-0.64841261-0.951931510.97305086
-0.66961763-0.66988747-0.648412611.000000000.40137832-0.46972270
-0.94370187-0.94357321-0.951931510.401378321.00000000-0.99689677
0.966808780.966709380.97305086-0.46972270-0.996896771.00000000