NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021AT4 ∴ Orbital info ∴ Epoch 59224 MJD

2021AT4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021AT4.eq0)

Keplerian elements
(Epoch 59224.8 MJD)
	Value	1-σ variation	Units
a	1.36738	0.006853	au
e	0.431788	0.003387
i	13.032	0.09969	deg
Ω	112.032	0.0263	deg
ω	265.67	0.1113	deg
M	41.855	0.4044	deg

Other useful info
Absolute Magnitude (H)	24.3	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.777	au
Aphelion distance	1.9578	au
Asc. node-Earth separation	0.16633	au
Desc. node-Earth separation	0.05932	au
Earth MOID	0.02835	au
Orbital period	584.026	days
Date of orbit computation	feb 26 12:17

Covariance matrix
4.69607305E-05	2.29637393E-05	6.83054471E-04	-1.80197035E-04	5.95004312E-04	-2.77095534E-03
2.29637393E-05	1.14690406E-05	3.33221613E-04	-8.78593880E-05	2.56896285E-04	-1.35497198E-03
6.83054471E-04	3.33221613E-04	9.93850202E-03	-2.62207804E-03	8.76662787E-03	-4.03039748E-02
-1.80197035E-04	-8.78593880E-05	-2.62207804E-03	6.91797331E-04	-2.31956190E-03	1.06326207E-02
5.95004312E-04	2.56896285E-04	8.76662787E-03	-2.31956190E-03	1.23769723E-02	-3.51120612E-02
-2.77095534E-03	-1.35497198E-03	-4.03039748E-02	1.06326207E-02	-3.51120612E-02	1.63502638E-01

Correlation matrix
1.00000000	0.98949053	0.99983296	-0.99974854	0.78045071	-0.99999936
0.98949053	1.00000000	0.98698182	-0.98635940	0.68184721	-0.98947400
0.99983296	0.98698182	1.00000000	-0.99999012	0.79043270	-0.99982739
-0.99974854	-0.98635940	-0.99999012	1.00000000	-0.79270083	0.99974329
0.78045071	0.68184721	0.79043270	-0.79270083	1.00000000	-0.78052485
-0.99999936	-0.98947400	-0.99982739	0.99974329	-0.78052485	1.00000000