NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998UM1 ∴ Orbital info ∴ Epoch 60400 MJD
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1998UM1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1998UM1.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.69923 8.131e-09 au
e 0.401024 4.363e-08
i 4.866 9.204e-06 deg
Ω 3.264 3.797e-05 deg
ω 1.321 3.466e-05 deg
M 177.078 9.796e-06 deg
Other useful info
Absolute Magnitude (H)    23.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.0178 au
Aphelion distance 2.3807 au
Asc. node-Earth separation 0.01595 au
Desc. node-Earth separation 1.3834 au
Earth MOID 0.01588 au
Orbital period 809.054 days
Date of orbit computation   feb 26 10:22

Covariance matrix
6.61123698E-17-3.30612339E-166.73326766E-142.61029679E-13-1.73715535E-13-5.43230585E-14
-3.30612339E-161.90401235E-15-3.03903650E-13-1.13763500E-126.03426722E-133.15448526E-13
6.73326766E-14-3.03903650E-138.47170146E-112.77820154E-10-2.14998013E-10-4.58629644E-11
2.61029679E-13-1.13763500E-122.77820154E-101.44171802E-09-1.12659721E-09-2.12066321E-10
-1.73715535E-136.03426722E-13-2.14998013E-10-1.12659721E-091.20138324E-092.31418574E-11
-5.43230585E-143.15448526E-13-4.58629644E-11-2.12066321E-102.31418574E-119.59714026E-11

Correlation matrix
1.00000000-0.931843150.899703050.84548978-0.61639132-0.68198046
-0.931843151.00000000-0.75668603-0.686638110.398977930.73794280
0.89970305-0.756686031.000000000.79494716-0.67391999-0.50863458
0.84548978-0.686638110.794947161.00000000-0.85602751-0.57011257
-0.616391320.39897793-0.67391999-0.856027511.000000000.06815324
-0.681980460.73794280-0.50863458-0.570112570.068153241.00000000