NEODyS-2
Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 2021ER1 ∴ Orbital info ∴ Epoch 60400 MJD
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2021ER1  ▹ 
ORBITAL INFORMATION
◲
(ASCII data file 2021ER1.eq1)
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.74804 0.000301 au
e 0.361281 9.593e-05
i 8.789 0.001928 deg
Ω 349.068 8.712e-05 deg
ω 219.903 0.0004877 deg
M 97.88 0.1189 deg
Other useful info
Absolute Magnitude (H)    24.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 1.1165 au
Aphelion distance 2.3796 au
Asc. node-Earth separation 1.09666 au
Desc. node-Earth separation 0.19721 au
Earth MOID 0.14377 au
Orbital period 844.163 days
Date of orbit computation   feb 26 12:28

Covariance matrix
9.05888651E-082.88717102E-085.79993678E-07-2.42372067E-089.61676855E-08-3.57819693E-05
2.88717102E-089.20249745E-091.84795340E-07-7.72142010E-093.09572685E-08-1.14042407E-05
5.79993678E-071.84795340E-073.71807623E-06-1.55075462E-075.93825342E-07-2.29085380E-04
-2.42372067E-08-7.72142010E-09-1.55075462E-077.58923774E-09-2.55179059E-089.57304226E-06
9.61676855E-083.09572685E-085.93825342E-07-2.55179059E-082.37861678E-07-3.80375834E-05
-3.57819693E-05-1.14042407E-05-2.29085380E-049.57304226E-06-3.80375834E-051.41336483E-02

Correlation matrix
1.000000000.999959120.99937091-0.924370500.65513306-0.99999929
0.999959121.000000000.99903112-0.923943150.66167929-0.99996865
0.999370910.999031121.00000000-0.923176750.63144764-0.99933498
-0.92437050-0.92394315-0.923176751.00000000-0.600597770.92432300
0.655133060.661679290.63144764-0.600597771.00000000-0.65602976
-0.99999929-0.99996865-0.999334980.92432300-0.656029761.00000000