NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Orbital info ∴ Epoch 60400 MJD
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(137170) 1999HF1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 137170.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.819167 4.308e-10 au
e 0.462527 4.333e-08
i 25.658 4.115e-06 deg
Ω 155.853 1.492e-05 deg
ω 253.417 1.35e-05 deg
M 343.196 1.026e-05 deg
Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4403 au
Aphelion distance 1.1981 au
Asc. node-Earth separation -0.24765 au
Desc. node-Earth separation -0.44063 au
Earth MOID 0.17357 au
Orbital period 270.805 days
Date of orbit computation   feb 26 10:20

Covariance matrix
1.85590008E-191.26116141E-191.17581353E-17-1.04176185E-155.89071336E-16-1.08407959E-15
1.26116141E-191.87736036E-155.30818545E-14-5.28699079E-152.61585718E-14-2.12851128E-13
1.17581353E-175.30818545E-141.69293293E-112.99372689E-11-2.82646200E-11-4.01865879E-12
-1.04176185E-15-5.28699079E-152.99372689E-112.22741206E-10-1.87089055E-10-8.77374624E-12
5.89071336E-162.61585718E-14-2.82646200E-11-1.87089055E-101.82167739E-10-3.18463025E-11
-1.08407959E-15-2.12851128E-13-4.01865879E-12-8.77374624E-12-3.18463025E-111.05169768E-10

Correlation matrix
1.000000000.006756470.00663348-0.162028300.10131059-0.24537958
0.006756471.000000000.29775042-0.008175880.04473057-0.47902334
0.006633480.297750421.000000000.48751953-0.50896456-0.09523921
-0.16202830-0.008175880.487519531.00000000-0.92877895-0.05732437
0.101310590.04473057-0.50896456-0.928778951.00000000-0.23007945
-0.24537958-0.47902334-0.09523921-0.05732437-0.230079451.00000000