AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 2005QA20 ∴ Orbital info ∴ Epoch epochXXX

(172969) 2005QA20 ▹

ORBITAL INFORMATION

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(ASCII data file 172969.eq0)

Keplerian elements at epoch
57516.6 MJD
	Value	1-σ variation	Units
a	2.34543	9.365e-09	au
e	0.137333	4.279e-08
i	7.78	4.259e-06	deg
Ω	136	3.418e-05	deg
ω	220.108	3.781e-05	deg
M	331.05	1.622e-05	deg

Other useful info
Absolute Magnitude (H)	16.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0233	au
Aphelion	2.6675	au
Asc. node-Earth separation	1.58428	au
Desc. node-Earth separation	1.06787	au
Earth MOID	1.02281	au
Orbital period	1311.99	days
Date of orbit computation	apr 23 20:25

Correlation matrix
1.00000000	0.19480457	0.00125443	-0.00013756	0.05014183	-0.12214830
0.19480457	1.00000000	0.00429419	0.01060761	0.04664512	-0.12749943
0.00125443	0.00429419	1.00000000	0.06203511	-0.05687134	0.00433337
-0.00013756	0.01060761	0.06203511	1.00000000	-0.89728012	0.00306823
0.05014183	0.04664512	-0.05687134	-0.89728012	1.00000000	-0.43539041
-0.12214830	-0.12749943	0.00433337	0.00306823	-0.43539041	1.00000000

Covariance matrix
8.77025229E-17	7.80558645E-17	5.00345269E-17	-4.40316227E-17	1.77560187E-14	-1.85492101E-14
7.80558645E-17	1.83063054E-15	7.82529235E-16	1.55124062E-14	7.54650606E-14	-8.84586970E-14
5.00345269E-17	7.82529235E-16	1.81400215E-11	9.03062002E-12	-9.15907731E-12	2.99279254E-13
-4.40316227E-17	1.55124062E-14	9.03062002E-12	1.16821347E-09	-1.15965427E-09	1.70051739E-12
1.77560187E-14	7.54650606E-14	-9.15907731E-12	-1.15965427E-09	1.42981141E-09	-2.66962458E-10
-1.85492101E-14	-8.84586970E-14	2.99279254E-13	1.70051739E-12	-2.66962458E-10	2.62944388E-10