NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2018PH21 ∴ Orbital info ∴ Epoch 60400 MJD
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2018PH21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2018PH21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.91096 0.02468 au
e 0.652213 0.005558
i 1.799 0.01184 deg
Ω 187.951 0.04172 deg
ω 226.41 0.03234 deg
M 23.414 14.39 deg
Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.6646 au
Aphelion distance 3.1573 au
Asc. node-Earth separation 0.99802 au
Desc. node-Earth separation -0.24319 au
Earth MOID 0.01857 au
Orbital period 964.889 days
Date of orbit computation   feb 26 11:48

Covariance matrix
6.09143137E-041.37169128E-042.91958211E-04-5.78614436E-05-2.73470091E-05-3.55217474E-01
1.37169128E-043.08893779E-056.57263899E-05-1.16717153E-05-7.19441710E-06-7.99892612E-02
2.91958211E-046.57263899E-051.40264907E-04-5.13723908E-055.37838243E-06-1.70252323E-01
-5.78614436E-05-1.16717153E-05-5.13723908E-051.74081499E-03-1.34111228E-033.36637351E-02
-2.73470091E-05-7.19441710E-065.37838243E-06-1.34111228E-031.04565810E-031.60067766E-02
-3.55217474E-01-7.99892612E-02-1.70252323E-013.36637351E-021.60067766E-022.07142539E+02

Correlation matrix
1.000000000.999981850.99881833-0.05618926-0.03426536-0.99999999
0.999981851.000000000.99852900-0.05033311-0.04003098-0.99998263
0.998818330.998529001.00000000-0.103963040.01404372-0.99881230
-0.05618926-0.05033311-0.103963041.00000000-0.994017380.05605977
-0.03426536-0.040030980.01404372-0.994017381.000000000.03439334
-0.99999999-0.99998263-0.998812300.056059770.034393341.00000000