AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998SR7 ∴ Orbital info ∴ Epoch epochXXX

(178420) 1998SR7 ▹

ORBITAL INFORMATION

◲

(ASCII data file 178420.eq0)

Keplerian elements at epoch
57746.3 MJD
	Value	1-σ variation	Units
a	2.62697	1.65e-08	au
e	0.292434	4.37e-08
i	4.963	6.455e-06	deg
Ω	357.423	5.416e-05	deg
ω	43.063	5.664e-05	deg
M	78.876	1.3e-05	deg

Other useful info
Absolute Magnitude (H)	16.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.8588	au
Aphelion	3.3952	au
Asc. node-Earth separation	0.97493	au
Desc. node-Earth separation	2.05912	au
Earth MOID	0.86975	au
Orbital period	1555.18	days
Date of orbit computation	Jun 5 01:15

Correlation matrix
1.00000000	-0.19989970	0.00505814	-0.01852598	0.18704752	-0.66634469
-0.19989970	1.00000000	-0.01162696	0.01993636	-0.12961646	0.38924012
0.00505814	-0.01162696	1.00000000	-0.14734472	0.14277854	-0.00949911
-0.01852598	0.01993636	-0.14734472	1.00000000	-0.95764137	0.02384580
0.18704752	-0.12961646	0.14277854	-0.95764137	1.00000000	-0.30143787
-0.66634469	0.38924012	-0.00949911	0.02384580	-0.30143787	1.00000000

Covariance matrix
2.72258175E-16	-1.44150214E-16	5.38722373E-16	-1.65562102E-14	1.74802251E-13	-1.42929668E-13
-1.44150214E-16	1.90996486E-15	-3.27991626E-15	4.71897566E-14	-3.20831817E-13	2.21137947E-13
5.38722373E-16	-3.27991626E-15	4.16646221E-11	-5.15118926E-11	5.21976876E-11	-7.97076163E-13
-1.65562102E-14	4.71897566E-14	-5.15118926E-11	2.93344794E-09	-2.93762722E-09	1.67893549E-11
1.74802251E-13	-3.20831817E-13	5.21976876E-11	-2.93762722E-09	3.20781406E-09	-2.21939897E-10
-1.42929668E-13	2.21137947E-13	-7.97076163E-13	1.67893549E-11	-2.21939897E-10	1.68991929E-10