NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998UL1 ∴ Orbital info ∴ Epoch 57542 MJD
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(159399) 1998UL1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 159399.eq0)
Keplerian elements
(Epoch 57542.9 MJD)
Value 1-σ variation Units
a 1.52685 2.651e-09 au
e 0.214111 5.288e-08
i 41.969 7.246e-06 deg
Ω 214.874 4.558e-06 deg
ω 353.185 8.594e-06 deg
M 292.312 8.933e-06 deg
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1999 au
Aphelion distance 1.8538 au
Asc. node-Earth separation 0.19528 au
Desc. node-Earth separation 0.85506 au
Earth MOID 0.19523 au
Orbital period 689.118 days
Date of orbit computation   apr 12 14:42

Covariance matrix
7.02641944E-18-6.26893895E-172.49656996E-151.61026654E-15-4.37322844E-16-3.27489333E-15
-6.26893895E-172.79673026E-15-6.78718762E-15-1.36010886E-142.84797199E-146.96035564E-14
2.49656996E-15-6.78718762E-155.25099651E-117.30341933E-12-1.27574829E-12-6.01622591E-12
1.61026654E-15-1.36010886E-147.30341933E-122.07735862E-11-1.44840716E-11-1.31796330E-12
-4.37322844E-162.84797199E-14-1.27574829E-12-1.44840716E-117.38551868E-11-6.48332568E-11
-3.27489333E-156.96035564E-14-6.01622591E-12-1.31796330E-12-6.48332568E-117.97926808E-11

Correlation matrix
1.00000000-0.447199920.129973810.13328307-0.01919750-0.13830841
-0.447199921.00000000-0.01771103-0.056427740.062664260.14734134
0.12997381-0.017711031.000000000.22113100-0.02048583-0.09294408
0.13328307-0.056427740.221131001.00000000-0.36978086-0.03237174
-0.019197500.06266426-0.02048583-0.369780861.00000000-0.84455086
-0.138308410.14734134-0.09294408-0.03237174-0.844550861.00000000