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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QU4 ∴ Orbital info ∴ Epoch epochXXX
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(257544) 1998QU4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 257544.eq0)
Keplerian elements at epoch
57980.6 MJD
Value 1-σ variation Units
a 3.01277 2.982e-08 au
e 0.111871 7.108e-08
i 7.455 5.498e-06 deg
Ω 292.357 5.5e-05 deg
ω 79.358 6.029e-05 deg
M 199.332 2.383e-05 deg
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6757 au
Aphelion 3.3498 au
Asc. node-Earth separation 1.89847 au
Desc. node-Earth separation 2.05398 au
Earth MOID 1.6873 au
Orbital period 1910.06 days
Date of orbit computation  apr 23 20:44
Correlation matrix
1.00000000-0.20894351-0.00474736-0.015098030.03684627-0.05677418
-0.208943511.00000000-0.004802980.02549435-0.182858430.36427886
-0.00474736-0.004802981.000000000.39821855-0.35828628-0.00696605
-0.015098030.025494350.398218551.00000000-0.90304528-0.00227603
0.03684627-0.18285843-0.35828628-0.903045281.00000000-0.42203840
-0.056774180.36427886-0.00696605-0.00227603-0.422038401.00000000
Covariance matrix
8.89142114E-16-4.42849543E-16-7.78285678E-16-2.47630904E-146.62365973E-14-4.03407783E-14
-4.42849543E-165.05223374E-15-1.87695595E-159.96746190E-14-7.83566056E-136.16997607E-13
-7.78285678E-16-1.87695595E-153.02275059E-111.20426366E-10-1.18754547E-10-9.12631989E-13
-2.47630904E-149.96746190E-141.20426366E-103.02550499E-09-2.99452105E-09-2.98321332E-12
6.62365973E-14-7.83566056E-13-1.18754547E-10-2.99452105E-093.63444259E-09-6.06287585E-10
-4.03407783E-146.16997607E-13-9.12631989E-13-2.98321332E-12-6.06287585E-105.67826420E-10