NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021SR4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021SR4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021SR4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.39117 0.006503 au
e 0.192958 0.002862
i 22.468 0.1802 deg
Ω 1.106 0.01168 deg
ω 28.94 0.299 deg
M 173.308 3.557 deg
Other useful info
Absolute Magnitude (H)    24.5 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1227 au
Aphelion distance 1.6596 au
Asc. node-Earth separation 0.14332 au
Desc. node-Earth separation 0.61528 au
Earth MOID 0.14119 au
Orbital period 599.333 days
Date of orbit computation   feb 26 12:26

Covariance matrix
4.22927504E-051.86065129E-051.17173216E-037.57046754E-05-1.86979568E-03-2.31265750E-02
1.86065129E-058.19010566E-065.15391576E-043.32438069E-05-8.17273816E-04-1.01778778E-02
1.17173216E-035.15391576E-043.24662502E-022.09901201E-03-5.19355322E-02-6.40642770E-01
7.57046754E-053.32438069E-052.09901201E-031.36429491E-04-3.42495611E-03-4.13466235E-02
-1.86979568E-03-8.17273816E-04-5.19355322E-02-3.42495611E-038.93725672E-021.01811721E+00
-2.31265750E-02-1.01778778E-02-6.40642770E-01-4.13466235E-021.01811721E+001.26488940E+01

Correlation matrix
1.000000000.999740470.999952390.99663379-0.96174308-0.99988966
0.999740471.000000000.999485500.99451622-0.95525807-0.99996824
0.999952390.999485501.000000000.99734342-0.96415399-0.99970897
0.996633790.994516220.997343421.00000000-0.98084135-0.99531293
-0.96174308-0.95525807-0.96415399-0.980841351.000000000.95756747
-0.99988966-0.99996824-0.99970897-0.995312930.957567471.00000000