NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021ET4 ∴ Orbital info ∴ Epoch 60400 MJD

2021ET4 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2021ET4.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.0235	0.0006431	au
e	0.512708	0.0001507
i	10.99	0.002317	deg
Ω	359.485	7.465e-05	deg
ω	153.398	0.0001569	deg
M	26.565	0.185	deg

Other useful info
Absolute Magnitude (H)	24.2	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.986	au
Aphelion distance	3.061	au
Asc. node-Earth separation	1.7512	au
Desc. node-Earth separation	0.02698	au
Earth MOID	0.02215	au
Orbital period	1051.37	days
Date of orbit computation	feb 26 12:15

Covariance matrix
4.13559309E-07	9.68970137E-08	1.48998003E-06	4.79712035E-08	9.65254071E-08	-1.19002443E-04
9.68970137E-08	2.27029893E-08	3.49102298E-07	1.12396742E-08	2.26133901E-08	-2.78822912E-05
1.48998003E-06	3.49102298E-07	5.36829275E-06	1.72810816E-07	3.47964776E-07	-4.28744514E-04
4.79712035E-08	1.12396742E-08	1.72810816E-07	5.57306547E-09	1.11748409E-08	-1.38037972E-05
9.65254071E-08	2.26133901E-08	3.47964776E-07	1.11748409E-08	2.46183032E-08	-2.77759507E-05
-1.19002443E-04	-2.78822912E-05	-4.28744514E-04	-1.38037972E-05	-2.77759507E-05	3.42431696E-02

Correlation matrix
1.00000000	0.99999993	0.99998492	0.99922811	0.95662931	-1.00000000
0.99999993	1.00000000	0.99998409	0.99922922	0.95652229	-0.99999990
0.99998492	0.99998409	1.00000000	0.99909262	0.95716791	-0.99998504
0.99922811	0.99922922	0.99909262	1.00000000	0.95403700	-0.99922783
0.95662931	0.95652229	0.95716791	0.95403700	1.00000000	-0.95664961
-1.00000000	-0.99999990	-0.99998504	-0.99922783	-0.95664961	1.00000000