NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998XM4 ∴ Orbital info ∴ Epoch 57251 MJD
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(85818) 1998XM4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 85818.eq0)
Keplerian elements
(Epoch 57251.7 MJD)
Value 1-σ variation Units
a 1.65668 7.908e-09 au
e 0.416633 4.941e-08
i 62.711 9.521e-06 deg
Ω 235.662 6.131e-06 deg
ω 301.263 1.133e-05 deg
M 198.718 1.284e-05 deg
Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9665 au
Aphelion distance 2.3469 au
Asc. node-Earth separation 0.11364 au
Desc. node-Earth separation 0.75768 au
Earth MOID 0.1077 au
Orbital period 778.856 days
Date of orbit computation   feb 26 13:17

Covariance matrix
6.25303320E-172.17842931E-173.77054322E-15-1.42307941E-151.82438955E-14-4.76566775E-14
2.17842931E-172.44131237E-151.87619253E-14-1.72660722E-141.34274046E-13-1.08673730E-13
3.77054322E-151.87619253E-149.06478041E-11-4.75800368E-12-3.06745539E-126.05963785E-12
-1.42307941E-15-1.72660722E-14-4.75800368E-123.75832337E-11-1.92190323E-113.12019591E-12
1.82438955E-141.34274046E-13-3.06745539E-12-1.92190323E-111.28420079E-10-1.22368418E-10
-4.76566775E-14-1.08673730E-136.05963785E-123.12019591E-12-1.22368418E-101.64964618E-10

Correlation matrix
1.000000000.055755330.05008180-0.029355310.20358967-0.46922700
0.055755331.000000000.03988293-0.057001310.23980815-0.17124484
0.050081800.039882931.00000000-0.08151716-0.028430410.04955330
-0.02935531-0.05700131-0.081517161.00000000-0.276641910.03962684
0.203589670.23980815-0.02843041-0.276641911.00000000-0.84073181
-0.46922700-0.171244840.049553300.03962684-0.840731811.00000000