NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1991RB ∴ Orbital info ∴ Epoch 57291 MJD
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(152561) 1991RB  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 152561.eq0)
Keplerian elements
(Epoch 57291.3 MJD)
Value 1-σ variation Units
a 1.45451 5.097e-09 au
e 0.485574 1.08e-07
i 19.584 2.462e-05 deg
Ω 359.383 1.969e-05 deg
ω 68.862 2.961e-05 deg
M 220.733 2.655e-05 deg
Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7482 au
Aphelion distance 2.1608 au
Asc. node-Earth separation -0.0577 au
Desc. node-Earth separation 0.35335 au
Earth MOID 0.03866 au
Orbital period 640.726 days
Date of orbit computation   feb 26 10:20

Covariance matrix
2.59769479E-172.85822635E-16-2.44892774E-14-1.01237634E-144.95160439E-14-7.32568636E-14
2.85822635E-161.16601025E-142.49992733E-131.27476857E-13-3.11084407E-13-9.02424770E-13
-2.44892774E-142.49992733E-136.06049091E-105.46386870E-11-1.15057241E-104.77159538E-11
-1.01237634E-141.27476857E-135.46386870E-113.87831435E-10-4.00398671E-103.47493724E-11
4.95160439E-14-3.11084407E-13-1.15057241E-10-4.00398671E-108.76609967E-10-5.32279977E-10
-7.32568636E-14-9.02424770E-134.77159538E-113.47493724E-11-5.32279977E-107.05013356E-10

Correlation matrix
1.000000000.51933952-0.19517672-0.100861730.32813207-0.54132189
0.519339521.000000000.094042100.05994579-0.09730247-0.31474668
-0.195176720.094042101.000000000.11270024-0.157854460.07299801
-0.100861730.059945790.112700241.00000000-0.686701380.06645487
0.32813207-0.09730247-0.15785446-0.686701381.00000000-0.67707730
-0.54132189-0.314746680.072998010.06645487-0.677077301.00000000