AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999SN18 ∴ Orbital info ∴ Epoch epochXXX

(74801) 1999SN18 ▹

ORBITAL INFORMATION

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(ASCII data file 74801.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.22643	7.407e-09	au
e	0.21152	4.386e-08
i	7.425	3.643e-06	deg
Ω	59.437	3.135e-05	deg
ω	264.854	3.285e-05	deg
M	156.967	1.145e-05	deg

Other useful info
Absolute Magnitude (H)	15.3	mag
Slope parameter (G)	0.15	mag
Perihelion	1.7555	au
Aphelion	2.6974	au
Asc. node-Earth separation	1.18074	au
Desc. node-Earth separation	1.07536	au
Earth MOID	0.76261	au
Orbital period	1213.42	days
Date of orbit computation	apr 23 20:02

Correlation matrix
1.00000000	0.01067415	0.00600133	0.01272637	-0.03775918	-0.27228160
0.01067415	1.00000000	-0.01137757	-0.01143787	0.13546938	-0.50098479
0.00600133	-0.01137757	1.00000000	-0.18707819	0.17473521	0.01173678
0.01272637	-0.01143787	-0.18707819	1.00000000	-0.94915726	0.00937628
-0.03775918	0.13546938	0.17473521	-0.94915726	1.00000000	-0.29010959
-0.27228160	-0.50098479	0.01173678	0.00937628	-0.29010959	1.00000000

Covariance matrix
5.48659049E-17	3.46761332E-18	1.61963639E-16	2.95571093E-15	-9.18914620E-15	-2.30998851E-14
3.46761332E-18	1.92350159E-15	-1.81808625E-15	-1.57288775E-14	1.95204021E-13	-2.51658186E-13
1.61963639E-16	-1.81808625E-15	1.32750796E-11	-2.13721403E-11	2.09170451E-11	4.89787760E-13
2.95571093E-15	-1.57288775E-14	-2.13721403E-11	9.83133691E-10	-9.77790488E-10	3.36726484E-12
-9.18914620E-15	1.95204021E-13	2.09170451E-11	-9.77790488E-10	1.07945040E-09	-1.09170090E-10
-2.30998851E-14	-2.51658186E-13	4.89787760E-13	3.36726484E-12	-1.09170090E-10	1.31183886E-10