AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XR12 ∴ Orbital info ∴ Epoch epochXXX

(159439) 1999XR12 ▹

ORBITAL INFORMATION

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(ASCII data file 159439.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.83605	1.891e-08	au
e	0.201542	6.217e-08
i	12.859	7.27e-06	deg
Ω	218.272	1.957e-05	deg
ω	145.88	2.47e-05	deg
M	82.351	1.806e-05	deg

Other useful info
Absolute Magnitude (H)	15.4	mag
Slope parameter (G)	0.15	mag
Perihelion	2.2645	au
Aphelion	3.4076	au
Asc. node-Earth separation	2.25863	au
Desc. node-Earth separation	1.33998	au
Earth MOID	1.27615	au
Orbital period	1744.49	days
Date of orbit computation	apr 23 20:22

Correlation matrix
1.00000000	0.32942421	0.02572553	0.01320330	0.26136619	-0.70536032
0.32942421	1.00000000	-0.01604948	0.00818095	0.31554370	-0.54486020
0.02572553	-0.01604948	1.00000000	-0.03777772	0.02419265	0.00044326
0.01320330	0.00818095	-0.03777772	1.00000000	-0.76922887	-0.00683952
0.26136619	0.31554370	0.02419265	-0.76922887	1.00000000	-0.58037098
-0.70536032	-0.54486020	0.00044326	-0.00683952	-0.58037098	1.00000000

Covariance matrix
3.57621660E-16	3.87320921E-16	3.53677880E-15	4.88650907E-15	1.22094432E-13	-2.40930812E-13
3.87320921E-16	3.86551228E-15	-7.25431189E-15	9.95432514E-15	4.84615818E-13	-6.11868410E-13
3.53677880E-15	-7.25431189E-15	5.28522427E-11	-5.37491938E-12	4.34459831E-12	5.82045122E-14
4.88650907E-15	9.95432514E-15	-5.37491938E-12	3.83008958E-10	-3.71872944E-10	-2.41768446E-12
1.22094432E-13	4.84615818E-13	4.34459831E-12	-3.71872944E-10	6.10195609E-10	-2.58946259E-10
-2.40930812E-13	-6.11868410E-13	5.82045122E-14	-2.41768446E-12	-2.58946259E-10	3.26241218E-10