NEODyS-2
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NEODyS ∴ Objects ∴ 1998XC9 ∴ Orbital info ∴ Epoch 57898 MJD
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(173232) 1998XC9  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 173232.eq0)
Keplerian elements
(Epoch 57898.1 MJD)
Value 1-σ variation Units
a 2.74962 1.508e-08 au
e 0.53205 6.241e-08
i 9.32 1.038e-05 deg
Ω 320.147 3.954e-05 deg
ω 120.889 4.601e-05 deg
M 18.145 1.69e-05 deg
Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.2867 au
Aphelion distance 4.2126 au
Asc. node-Earth separation 1.69775 au
Desc. node-Earth separation 0.56074 au
Earth MOID 0.33695 au
Orbital period 1665.36 days
Date of orbit computation   feb 26 10:21

Covariance matrix
2.27492861E-16-2.16368375E-161.99619907E-141.90597130E-143.23782451E-13-2.48901480E-13
-2.16368375E-163.89553727E-15-1.48034658E-13-3.16158778E-13-2.55251146E-132.08973138E-13
1.99619907E-14-1.48034658E-131.07640802E-107.47649819E-11-5.38236619E-11-1.44335808E-11
1.90597130E-14-3.16158778E-137.47649819E-111.56327438E-09-1.54408028E-09-5.82548424E-13
3.23782451E-13-2.55251146E-13-5.38236619E-11-1.54408028E-092.11668980E-09-3.95432663E-10
-2.48901480E-132.08973138E-13-1.44335808E-11-5.82548424E-13-3.95432663E-102.85704685E-10

Correlation matrix
1.00000000-0.229840320.127564990.031960600.46659578-0.97630365
-0.229840321.00000000-0.22860791-0.12811617-0.088890510.19808341
0.12756499-0.228607911.000000000.18226033-0.11276029-0.08230514
0.03196060-0.128116170.182260331.00000000-0.84883575-0.00087168
0.46659578-0.08889051-0.11276029-0.848835751.00000000-0.50849332
-0.976303650.19808341-0.08230514-0.00087168-0.508493321.00000000