NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998EP4 ∴ Orbital info ∴ Epoch 60400 MJD
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1998EP4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1998EP4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.56009 5.569e-07 au
e 0.440947 4.399e-07
i 7.191 5.976e-05 deg
Ω 352.784 5.523e-05 deg
ω 266.448 0.0001531 deg
M 95.872 0.002432 deg
Other useful info
Absolute Magnitude (H)    21.8 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8722 au
Aphelion distance 2.248 au
Asc. node-Earth separation 0.28711 au
Desc. node-Earth separation 0.22947 au
Earth MOID 0.06251 au
Orbital period 711.74 days
Date of orbit computation   feb 26 10:21

Covariance matrix
3.10138329E-13-2.36021405E-131.14563038E-114.41900118E-12-7.67148998E-11-1.35436500E-09
-2.36021405E-131.93485238E-13-1.23777430E-11-4.34813071E-125.73431235E-111.03317712E-09
1.14563038E-11-1.23777430E-113.57101816E-091.95743570E-09-2.34144215E-09-5.16897274E-08
4.41900118E-12-4.34813071E-121.95743570E-093.05031458E-09-3.46532328E-09-1.97572949E-08
-7.67148998E-115.73431235E-11-2.34144215E-09-3.46532328E-092.34445356E-083.33767479E-07
-1.35436500E-091.03317712E-09-5.16897274E-08-1.97572949E-083.33767479E-075.91566742E-06

Correlation matrix
1.00000000-0.963495640.344247480.14367264-0.89966574-0.99989898
-0.963495641.00000000-0.47089222-0.178980760.851405810.96571502
0.34424748-0.470892221.000000000.59308803-0.25589782-0.35563651
0.14367264-0.178980760.593088031.00000000-0.40977987-0.14707989
-0.899665740.85140581-0.25589782-0.409779871.000000000.89623382
-0.999898980.96571502-0.35563651-0.147079890.896233821.00000000