NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998XD12 ∴ Orbital info ∴ Epoch 60400 MJD
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1998XD12  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1998XD12.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.39915 0.01182 au
e 0.623788 0.006087
i 13.508 0.6314 deg
Ω 259.649 0.1725 deg
ω 69.557 0.4056 deg
M 144.395 17.71 deg
Other useful info
Absolute Magnitude (H)    20.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.5264 au
Aphelion distance 2.2719 au
Asc. node-Earth separation -0.31366 au
Desc. node-Earth separation 0.1092 au
Earth MOID 0.03146 au
Orbital period 604.495 days
Date of orbit computation   feb 26 10:22

Covariance matrix
1.39810498E-047.19777116E-05-7.46588736E-032.03980422E-034.79603246E-03-2.09367531E-01
7.19777116E-053.70562112E-05-3.84361796E-031.05014253E-032.46907658E-03-1.07787357E-01
-7.46588736E-03-3.84361796E-033.98678842E-01-1.08925684E-01-2.56107999E-011.11802370E+01
2.03980422E-031.05014253E-03-1.08925684E-012.97603281E-026.99727551E-02-3.05462646E+00
4.79603246E-032.46907658E-03-2.56107999E-016.99727551E-021.64524890E-01-7.18209872E+00
-2.09367531E-01-1.07787357E-011.11802370E+01-3.05462646E+00-7.18209872E+003.13529849E+02

Correlation matrix
1.000000000.99999456-0.999999880.999999390.99999175-0.99999999
0.999994561.00000000-0.999995660.999997430.99997295-0.99999509
-0.99999988-0.999995661.00000000-0.99999964-0.999990200.99999993
0.999999390.99999743-0.999999641.000000000.99998690-0.99999955
0.999991750.99997295-0.999990200.999986901.00000000-0.99999107
-0.99999999-0.999995090.99999993-0.99999955-0.999991071.00000000