NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1999HF1 ∴ Orbital info ∴ Epoch 57189 MJD
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(137170) 1999HF1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 137170.eq0)
Keplerian elements
(Epoch 57189.9 MJD)
Value 1-σ variation Units
a 0.819119 4.494e-10 au
e 0.462413 4.332e-08
i 25.663 4.116e-06 deg
Ω 155.892 1.492e-05 deg
ω 253.379 1.349e-05 deg
M 35.554 9.776e-06 deg
Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.4403 au
Aphelion distance 1.1979 au
Asc. node-Earth separation -0.24883 au
Desc. node-Earth separation -0.44177 au
Earth MOID 0.17423 au
Orbital period 270.781 days
Date of orbit computation   feb 26 10:20

Covariance matrix
2.01971313E-192.03067534E-18-2.21712331E-17-1.65676056E-151.28802560E-15-9.66097684E-17
2.03067534E-181.87656769E-155.29195861E-14-5.74667946E-152.65561731E-14-2.03352936E-13
-2.21712331E-175.29195861E-141.69417194E-112.99686305E-11-2.82854275E-11-4.10593521E-12
-1.65676056E-15-5.74667946E-152.99686305E-112.22601795E-10-1.86937884E-10-1.98245240E-11
1.28802560E-152.65561731E-14-2.82854275E-11-1.86937884E-101.82028305E-10-2.40446589E-11
-9.66097684E-17-2.03352936E-13-4.10593521E-12-1.98245240E-11-2.40446589E-119.55681650E-11

Correlation matrix
1.000000000.10430702-0.01198578-0.247087380.21242723-0.02198971
0.104307021.000000000.29679432-0.008891410.04543745-0.48018845
-0.011985780.296794321.000000000.48800450-0.50934793-0.10204147
-0.24708738-0.008891410.488004501.00000000-0.92867452-0.13591951
0.212427230.04543745-0.50934793-0.928674521.00000000-0.18230246
-0.02198971-0.48018845-0.10204147-0.13591951-0.182302461.00000000