AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ Yerkes ∴ Orbital info ∴ Epoch epochXXX

(990) Yerkes ▹

ORBITAL INFORMATION

◲

(ASCII data file 990.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.66739	5.673e-09	au
e	0.217819	2.424e-08
i	8.787	2.367e-06	deg
Ω	353.936	1.764e-05	deg
ω	9.303	1.843e-05	deg
M	130.319	6.355e-06	deg

Other useful info
Absolute Magnitude (H)	12.0	mag
Slope parameter (G)	0.15	mag
Perihelion	2.0864	au
Aphelion	3.2484	au
Asc. node-Earth separation	1.08667	au
Desc. node-Earth separation	2.24237	au
Earth MOID	1.08425	au
Orbital period	1591.21	days
Date of orbit computation	apr 23 19:46

Correlation matrix
1.00000000	-0.25875347	-0.00756253	-0.01777459	0.01147947	-0.26934170
-0.25875347	1.00000000	0.02535840	0.00971751	0.12858985	-0.20644265
-0.00756253	0.02535840	1.00000000	0.49014550	-0.45399194	-0.02373899
-0.01777459	0.00971751	0.49014550	1.00000000	-0.94436560	0.00271036
0.01147947	0.12858985	-0.45399194	-0.94436560	1.00000000	-0.30300956
-0.26934170	-0.20644265	-0.02373899	0.00271036	-0.30300956	1.00000000

Covariance matrix
3.21814585E-17	-3.55764161E-17	-1.01566350E-16	-1.77835006E-15	1.20029256E-15	-9.70937202E-15
-3.55764161E-17	5.87416715E-16	1.45504054E-15	4.15377281E-15	5.74436880E-14	-3.17948849E-14
-1.01566350E-16	1.45504054E-15	5.60480028E-12	2.04653790E-11	-1.98102829E-11	-3.57130521E-13
-1.77835006E-15	4.15377281E-15	2.04653790E-11	3.11049422E-10	-3.06985118E-10	3.03757262E-13
1.20029256E-15	5.74436880E-14	-1.98102829E-11	-3.06985118E-10	3.39722982E-10	-3.54897946E-11
-9.70937202E-15	-3.17948849E-14	-3.57130521E-13	3.03757262E-13	-3.54897946E-11	4.03802841E-11