NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021XS4 ∴ Orbital info ∴ Epoch 60400 MJD
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2021XS4  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021XS4.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.99641 0.0002039 au
e 0.18949 0.0003992
i 14.625 0.03211 deg
Ω 257.823 0.0003523 deg
ω 289.168 0.0296 deg
M 26.004 0.1894 deg
Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8076 au
Aphelion distance 1.1852 au
Asc. node-Earth separation -0.11074 au
Desc. node-Earth separation 0.04023 au
Earth MOID 0.03215 au
Orbital period 363.292 days
Date of orbit computation   feb 26 12:35

Covariance matrix
4.15762415E-088.13912702E-086.54692367E-06-7.17737428E-08-6.03449899E-06-3.86187969E-05
8.13912702E-081.59398614E-071.28170991E-05-1.40416530E-07-1.18117692E-05-7.55958178E-05
6.54692367E-061.28170991E-051.03102128E-03-1.12988541E-05-9.50168896E-04-6.08121793E-03
-7.17737428E-08-1.40416530E-07-1.12988541E-051.24129391E-071.04212240E-056.66751664E-05
-6.03449899E-06-1.18117692E-05-9.50168896E-041.04212240E-058.75944010E-045.60535828E-03
-3.86187969E-05-7.55958178E-05-6.08121793E-036.66751664E-055.60535828E-033.58722900E-02

Correlation matrix
1.000000000.999799560.99995591-0.99909243-0.99995494-0.99999211
0.999799561.000000000.99980121-0.99824848-0.99961901-0.99971440
0.999955910.999801211.00000000-0.99876491-0.99983612-0.99994751
-0.99909243-0.99824848-0.998764911.000000000.999408980.99918808
-0.99995494-0.99961901-0.999836120.999408981.000000000.99996696
-0.99999211-0.99971440-0.999947510.999188080.999966961.00000000