NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2017SA21 ∴ Orbital info ∴ Epoch 60400 MJD
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2017SA21  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2017SA21.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 2.31387 0.003365 au
e 0.582257 0.0006191
i 4.224 0.003111 deg
Ω 185.397 0.0004742 deg
ω 152.37 0.004151 deg
M 311.586 1.449 deg
Other useful info
Absolute Magnitude (H)    28.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9666 au
Aphelion distance 3.6611 au
Asc. node-Earth separation 2.16125 au
Desc. node-Earth separation 0.00768 au
Earth MOID 0.00278 au
Orbital period 1285.6 days
Date of orbit computation   feb 26 11:25

Covariance matrix
1.13258016E-052.08347805E-061.04681057E-051.58991970E-06-1.37669129E-05-4.87774753E-03
2.08347805E-063.83275049E-071.92562666E-062.92524731E-07-2.53338725E-06-8.97303219E-04
1.04681057E-051.92562666E-069.67992658E-061.46763724E-06-1.26835630E-05-4.50836600E-03
1.58991970E-062.92524731E-071.46763724E-062.24818563E-07-1.95925565E-06-6.84735120E-04
-1.37669129E-05-2.53338725E-06-1.26835630E-05-1.95925565E-061.72294775E-055.92898734E-03
-4.87774753E-03-8.97303219E-04-4.50836600E-03-6.84735120E-045.92898734E-032.10072735E+00

Correlation matrix
1.000000000.999998110.999764230.99637915-0.98552135-1.00000000
0.999998111.000000000.999725530.99653196-0.98584866-0.99999794
0.999764230.999725531.000000000.99487063-0.98213047-0.99976583
0.996379150.996531960.994870631.00000000-0.99549474-0.99637237
-0.98552135-0.98584866-0.98213047-0.995494741.000000000.98550680
-1.00000000-0.99999794-0.99976583-0.996372370.985506801.00000000