NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2021AK4 ∴ Orbital info ∴ Epoch 60400 MJD

2021AK4 ▹

ORBITAL INFORMATION

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(ASCII data file 2021AK4.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	1.26999	0.001026	au
e	0.249483	0.0005079
i	24.696	0.0416	deg
Ω	112.794	0.01377	deg
ω	290.755	0.05033	deg
M	138.393	1.074	deg

Other useful info
Absolute Magnitude (H)	22.9	mag
Slope parameter (G)	0.15	mag
Perihelion distance	0.9532	au
Aphelion distance	1.5868	au
Asc. node-Earth separation	0.11122	au
Desc. node-Earth separation	0.29015	au
Earth MOID	0.09869	au
Orbital period	522.758	days
Date of orbit computation	feb 26 12:15

Covariance matrix
1.05247596E-06	5.21104435E-07	4.25874471E-05	1.40893121E-05	5.14770128E-05	-1.10148559E-03
5.21104435E-07	2.58012522E-07	2.10858393E-05	6.97587845E-06	2.54872944E-05	-5.45370299E-04
4.25874471E-05	2.10858393E-05	1.73079640E-03	5.72675757E-04	2.07220173E-03	-4.45619239E-02
1.40893121E-05	6.97587845E-06	5.72675757E-04	1.89484380E-04	6.85449227E-04	-1.47424509E-02
5.14770128E-05	2.54872944E-05	2.07220173E-03	6.85449227E-04	2.53321500E-03	-5.38864784E-02
-1.10148559E-03	-5.45370299E-04	-4.45619239E-02	-1.47424509E-02	-5.38864784E-02	1.15278736E+00

Correlation matrix
1.00000000	0.99999605	0.99782073	0.99769315	0.99694505	-0.99999569
0.99999605	1.00000000	0.99780921	0.99768124	0.99693609	-0.99999191
0.99782073	0.99780921	1.00000000	0.99999793	0.98963037	-0.99762273
0.99769315	0.99768124	0.99999793	1.00000000	0.98935592	-0.99748961
0.99694505	0.99693609	0.98963037	0.98935592	1.00000000	-0.99716993
-0.99999569	-0.99999191	-0.99762273	-0.99748961	-0.99716993	1.00000000