NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021XK4 ∴ Orbital info ∴ Epoch 59557 MJD
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2021XK4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021XK4.eq0)
Keplerian elements
(Epoch 59557.3 MJD)
Value 1-σ variation Units
a 1.00691 0.0004345 au
e 0.302502 0.0008349
i 10.879 0.03173 deg
Ω 71.377 0.002864 deg
ω 254.533 0.01705 deg
M 74.924 0.1196 deg
Other useful info
Absolute Magnitude (H)    26.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7023 au
Aphelion distance 1.3115 au
Asc. node-Earth separation 0.00919 au
Desc. node-Earth separation -0.16833 au
Earth MOID 0.00459 au
Orbital period 369.048 days
Date of orbit computation   Jul 29 13:50

Covariance matrix
1.88829915E-073.62061943E-071.37648429E-05-1.24001799E-067.23566430E-06-5.19679412E-05
3.62061943E-076.97102540E-072.64898967E-05-2.36488285E-061.36760267E-05-9.97998610E-05
1.37648429E-052.64898967E-051.00668240E-03-8.99604730E-055.20784509E-04-3.79350285E-03
-1.24001799E-06-2.36488285E-06-8.99604730E-058.20278240E-06-4.83867686E-053.40571802E-04
7.23566430E-061.36760267E-055.20784509E-04-4.83867686E-052.90793381E-04-1.98060346E-03
-5.19679412E-05-9.97998610E-05-3.79350285E-033.40571802E-04-1.98060346E-031.43106243E-02

Correlation matrix
1.000000000.997927860.99836563-0.996350160.97645167-0.99970260
0.997927861.000000000.99996706-0.988964500.96054861-0.99919974
0.998365630.999967061.00000000-0.989976530.96254172-0.99945877
-0.99635016-0.98896450-0.989976531.00000000-0.990726470.99402842
0.976451670.960548610.96254172-0.990726471.00000000-0.97090332
-0.99970260-0.99919974-0.999458770.99402842-0.970903321.00000000