NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1990SA ∴ Orbital info ∴ Epoch 60400 MJD
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(152558) 1990SA  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 152558.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.01356 7.167e-09 au
e 0.441486 4.691e-08
i 38.145 1.062e-05 deg
Ω 172.167 7.559e-06 deg
ω 115.11 1.248e-05 deg
M 291.224 1.339e-05 deg
Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1246 au
Aphelion distance 2.9025 au
Asc. node-Earth separation 1.00116 au
Desc. node-Earth separation 0.36017 au
Earth MOID 0.30907 au
Orbital period 1043.63 days
Date of orbit computation   apr 12 14:42

Covariance matrix
5.13603089E-17-1.93465076E-185.75021890E-16-1.28731764E-153.60446264E-14-8.40621296E-14
-1.93465076E-182.20075074E-15-5.27051874E-16-3.85086366E-142.90046677E-13-2.04682996E-13
5.75021890E-16-5.27051874E-161.12777880E-10-3.45752145E-112.93043364E-11-1.57539984E-12
-1.28731764E-15-3.85086366E-14-3.45752145E-115.71382225E-11-5.32190705E-117.90749206E-12
3.60446264E-142.90046677E-132.93043364E-11-5.32190705E-111.55687519E-10-1.17313262E-10
-8.40621296E-14-2.04682996E-13-1.57539984E-127.90749206E-12-1.17313262E-101.79177467E-10

Correlation matrix
1.00000000-0.005754440.00755542-0.023763400.40308795-0.87628399
-0.005754441.00000000-0.00105793-0.108594880.49551359-0.32595274
0.00755542-0.001057931.00000000-0.430714560.22115310-0.01108248
-0.02376340-0.10859488-0.430714561.00000000-0.564257090.07815085
0.403087950.495513590.22115310-0.564257091.00000000-0.70239032
-0.87628399-0.32595274-0.011082480.07815085-0.702390321.00000000