AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1997WV21 ∴ Orbital info ∴ Epoch epochXXX

(27999) 1997WV21 ▹

ORBITAL INFORMATION

◲

(ASCII data file 27999.eq0)

Keplerian elements at epoch
57410.2 MJD
	Value	1-σ variation	Units
a	2.92973	1.235e-08	au
e	0.053124	4.298e-08
i	1.855	6.905e-06	deg
Ω	17.1	0.0001173	deg
ω	38.839	0.0001344	deg
M	256.13	6.589e-05	deg

Other useful info
Absolute Magnitude (H)	13.8	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7741	au
Aphelion	3.0854	au
Asc. node-Earth separation	1.80785	au
Desc. node-Earth separation	2.04737	au
Earth MOID	1.78577	au
Orbital period	1831.64	days
Date of orbit computation	apr 23 19:52

Correlation matrix
1.00000000	-0.09103660	0.00178988	0.00810528	0.00757738	-0.03094295
-0.09103660	1.00000000	-0.00469404	-0.00375430	-0.31207201	0.64633996
0.00178988	-0.00469404	1.00000000	-0.52211762	0.45546428	0.00018513
0.00810528	-0.00375430	-0.52211762	1.00000000	-0.86787630	-0.00848959
0.00757738	-0.31207201	0.45546428	-0.86787630	1.00000000	-0.48884670
-0.03094295	0.64633996	0.00018513	-0.00848959	-0.48884670	1.00000000

Covariance matrix
1.52631404E-16	-4.83372238E-17	1.52685954E-16	1.17464476E-14	1.25785475E-14	-2.51897341E-14
-4.83372238E-17	1.84708731E-15	-1.39297306E-15	-1.89273206E-14	-1.80213899E-12	1.83039443E-12
1.52685954E-16	-1.39297306E-15	4.76765613E-11	-4.22899622E-10	4.22567936E-10	8.42285292E-14
1.17464476E-14	-1.89273206E-14	-4.22899622E-10	1.37604606E-08	-1.36793062E-08	-6.56210247E-11
1.25785475E-14	-1.80213899E-12	4.22567936E-10	-1.36793062E-08	1.80542526E-08	-4.32815107E-09
-2.51897341E-14	1.83039443E-12	8.42285292E-14	-6.56210247E-11	-4.32815107E-09	4.34190113E-09