AstDyS

AstDyS-2

Asteroids - Dynamic Site

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

(178420) 1998SR7 ▹

ORBITAL INFORMATION

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(ASCII data file 178420.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.62533	1.53e-08	au
e	0.293027	4.26e-08
i	4.936	6.434e-06	deg
Ω	356.994	5.465e-05	deg
ω	44.384	5.708e-05	deg
M	331.772	1.69e-05	deg

Other useful info
Absolute Magnitude (H)	16.6	mag
Slope parameter (G)	0.15	mag
Perihelion	1.856	au
Aphelion	3.3946	au
Asc. node-Earth separation	0.9806	au
Desc. node-Earth separation	2.04058	au
Earth MOID	0.86814	au
Orbital period	1553.73	days
Date of orbit computation	Jun 5 01:15

Correlation matrix
1.00000000	-0.15022949	0.01493657	-0.02022257	0.15815169	-0.77142625
-0.15022949	1.00000000	-0.01056288	0.01854096	-0.11298615	0.30597231
0.01493657	-0.01056288	1.00000000	-0.14643623	0.14093004	-0.00409898
-0.02022257	0.01854096	-0.14643623	1.00000000	-0.95803337	0.02004251
0.15815169	-0.11298615	0.14093004	-0.95803337	1.00000000	-0.28012126
-0.77142625	0.30597231	-0.00409898	0.02004251	-0.28012126	1.00000000

Covariance matrix
2.34196398E-16	-9.79472003E-17	1.47066762E-15	-1.69137234E-14	1.38150706E-13	-1.99555356E-13
-9.79472003E-17	1.81507039E-15	-2.89536067E-15	4.31709775E-14	-2.74764812E-13	2.20347303E-13
1.47066762E-15	-2.89536067E-15	4.13949311E-11	-5.14914274E-11	5.17566700E-11	-4.45787859E-13
-1.69137234E-14	4.31709775E-14	-5.14914274E-11	2.98693400E-09	-2.98870197E-09	1.85158525E-11
1.38150706E-13	-2.74764812E-13	5.17566700E-11	-2.98870197E-09	3.25820434E-09	-2.70280123E-10
-1.99555356E-13	2.20347303E-13	-4.45787859E-13	1.85158525E-11	-2.70280123E-10	2.85731251E-10