AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1998HH87 ∴ Orbital info ∴ Epoch epochXXX

(69709) 1998HH87 ▹

ORBITAL INFORMATION

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(ASCII data file 69709.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	2.4712	8.041e-09	au
e	0.147267	3.735e-08
i	5.005	4.287e-06	deg
Ω	244.262	4.659e-05	deg
ω	88.837	4.921e-05	deg
M	139.493	1.458e-05	deg

Other useful info
Absolute Magnitude (H)	15.5	mag
Slope parameter (G)	0.15	mag
Perihelion	2.1073	au
Aphelion	2.8351	au
Asc. node-Earth separation	1.39709	au
Desc. node-Earth separation	1.43907	au
Earth MOID	1.10411	au
Orbital period	1418.93	days
Date of orbit computation	apr 23 20:01

Correlation matrix
1.00000000	-0.18162121	0.00518914	-0.00371257	-0.07427494	-0.02254752
-0.18162121	1.00000000	-0.00503770	0.00896698	-0.02051905	0.10191891
0.00518914	-0.00503770	1.00000000	0.05711413	-0.05332702	-0.00620408
-0.00371257	0.00896698	0.05711413	1.00000000	-0.94481814	0.00652361
-0.07427494	-0.02051905	-0.05332702	-0.94481814	1.00000000	-0.31612761
-0.02254752	0.10191891	-0.00620408	0.00652361	-0.31612761	1.00000000

Covariance matrix
6.46572224E-17	-5.45430869E-17	1.78867883E-16	-1.39082419E-15	-2.93881253E-14	-2.64412439E-15
-5.45430869E-17	1.39485561E-15	-8.06539445E-16	1.56026924E-14	-3.77088168E-14	5.55129003E-14
1.78867883E-16	-8.06539445E-16	1.83762835E-11	1.14067267E-11	-1.12485661E-11	-3.87865455E-13
-1.39082419E-15	1.56026924E-14	1.14067267E-11	2.17058696E-09	-2.16599702E-09	4.43252630E-12
-2.93881253E-14	-3.77088168E-14	-1.12485661E-11	-2.16599702E-09	2.42126362E-09	-2.26860035E-10
-2.64412439E-15	5.55129003E-14	-3.87865455E-13	4.43252630E-12	-2.26860035E-10	2.12690976E-10