NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1991XB ∴ Orbital info ∴ Epoch 60400 MJD
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1991XB  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 1991XB.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.96378 1.442e-07 au
e 0.581936 3.266e-07
i 16.237 4.282e-05 deg
Ω 250.152 7.7e-05 deg
ω 172.682 9.354e-05 deg
M 139.816 0.0001087 deg
Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.239 au
Aphelion distance 4.6885 au
Asc. node-Earth separation 3.62168 au
Desc. node-Earth separation 0.25768 au
Earth MOID 0.25494 au
Orbital period 1863.66 days
Date of orbit computation   feb 26 10:22

Covariance matrix
2.08047213E-143.63887273E-15-1.06538465E-122.25186790E-129.15221765E-12-1.39564580E-11
3.63887273E-151.06675502E-13-2.75774164E-121.11079027E-11-4.14097501E-121.06188378E-11
-1.06538465E-12-2.75774164E-121.83314664E-099.47500237E-10-1.55210414E-092.07951804E-10
2.25186790E-121.11079027E-119.47500237E-105.92953023E-09-4.01052182E-09-1.14134303E-10
9.15221765E-12-4.14097501E-12-1.55210414E-09-4.01052182E-098.74904373E-09-6.57753791E-09
-1.39564580E-111.06188378E-112.07951804E-10-1.14134303E-10-6.57753791E-091.18113302E-08

Correlation matrix
1.000000000.07724201-0.172515010.202745780.67836760-0.89031739
0.077242011.00000000-0.197207140.44166153-0.135547020.29915429
-0.17251501-0.197207141.000000000.28738929-0.387562690.04469045
0.202745780.441661530.287389291.00000000-0.55681438-0.01363819
0.67836760-0.13554702-0.38756269-0.556814381.00000000-0.64704377
-0.890317390.299154290.04469045-0.01363819-0.647043771.00000000