NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2017HF4 ∴ Orbital info ∴ Epoch 60400 MJD

2017HF4 ▹

ORBITAL INFORMATION

◲

(ASCII data file 2017HF4.eq1)

Keplerian elements
(Epoch 60400.0 MJD)
	Value	1-σ variation	Units
a	2.20782	0.004666	au
e	0.527048	0.0009144
i	19.39	0.0231	deg
Ω	25.195	0.01046	deg
ω	148.746	0.02753	deg
M	49.204	2.475	deg

Other useful info
Absolute Magnitude (H)	23.8	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0442	au
Aphelion distance	3.3715	au
Asc. node-Earth separation	1.90679	au
Desc. node-Earth separation	0.09592	au
Earth MOID	0.08606	au
Orbital period	1198.24	days
Date of orbit computation	feb 26 11:25

Covariance matrix
2.17674653E-05	4.26605447E-06	1.07732513E-04	-4.87737284E-05	1.27500564E-04	-1.15470368E-02
4.26605447E-06	8.36106409E-07	2.11173252E-05	-9.55795670E-06	2.49692144E-05	-2.26301903E-03
1.07732513E-04	2.11173252E-05	5.33604992E-04	-2.41294420E-04	6.28925303E-04	-5.71485961E-02
-4.87737284E-05	-9.55795670E-06	-2.41294420E-04	1.09310757E-04	-2.86194587E-04	2.58732343E-02
1.27500564E-04	2.49692144E-05	6.28925303E-04	-2.86194587E-04	7.57809163E-04	-6.76381998E-02
-1.15470368E-02	-2.26301903E-03	-5.71485961E-02	2.58732343E-02	-6.76381998E-02	6.12538351E+00

Correlation matrix
1.00000000	0.99998087	0.99961536	-0.99988620	0.99272338	-0.99999995
0.99998087	1.00000000	0.99976560	-0.99977629	0.99196004	-0.99997879
0.99961536	0.99976560	1.00000000	-0.99909293	0.98902940	-0.99960629
-0.99988620	-0.99977629	-0.99909293	1.00000000	-0.99437464	0.99989093
0.99272338	0.99196004	0.98902940	-0.99437464	1.00000000	-0.99276275
-0.99999995	-0.99997879	-0.99960629	0.99989093	-0.99276275	1.00000000