NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2017AA21 ∴ Orbital info ∴ Epoch 57757 MJD

2017AA21 ▹

ORBITAL INFORMATION

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(ASCII data file 2017AA21.eq0)

Keplerian elements
(Epoch 57757.2 MJD)
	Value	1-σ variation	Units
a	1.9071	0.2845	au
e	0.472482	0.0993
i	2.284	0.8149	deg
Ω	332.192	19.27	deg
ω	172.457	27.75	deg
M	346.333	1.106	deg

Other useful info
Absolute Magnitude (H)	26.2	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.006	au
Aphelion distance	2.8082	au
Asc. node-Earth separation	1.7752	au
Desc. node-Earth separation	0.02004	au
Earth MOID	0.01889	au
Orbital period	961.963	days
Date of orbit computation	feb 26 11:24

Covariance matrix
8.09234188E-02	2.82334276E-02	2.30804169E-01	-5.42330804E+00	7.81451684E+00	3.04492636E-01
2.82334276E-02	9.86001276E-03	8.07619012E-02	-1.90087050E+00	2.73855730E+00	1.05370958E-01
2.30804169E-01	8.07619012E-02	6.64088984E-01	-1.56822703E+01	2.25861783E+01	8.47249851E-01
-5.42330804E+00	-1.90087050E+00	-1.56822703E+01	3.71367862E+02	-5.34717119E+02	-1.96237744E+01
7.81451684E+00	2.73855730E+00	2.25861783E+01	-5.34717119E+02	7.69935909E+02	2.83149224E+01
3.04492636E-01	1.05370958E-01	8.47249851E-01	-1.96237744E+01	2.83149224E+01	1.22316292E+00

Correlation matrix
1.00000000	0.99951141	0.99561951	-0.98929315	0.99000579	0.96782654
0.99951141	1.00000000	0.99805542	-0.99337136	0.99393002	0.95948908
0.99561951	0.99805542	1.00000000	-0.99860477	0.99885472	0.94006138
-0.98929315	-0.99337136	-0.99860477	1.00000000	-0.99998766	-0.92074259
0.99000579	0.99393002	0.99885472	-0.99998766	1.00000000	0.92266901
0.96782654	0.95948908	0.94006138	-0.92074259	0.92266901	1.00000000