AstDyS

AstDyS-2

Asteroids - Dynamic Site

AstDyS ∴ Objects ∴ 1999XD261 ∴ Orbital info ∴ Epoch epochXXX

(222156) 1999XD261 ▹

ORBITAL INFORMATION

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(ASCII data file 222156.eq1)

Keplerian elements at epoch
60400.0 MJD
	Value	1-σ variation	Units
a	3.0953	2.746e-08	au
e	0.107394	5.344e-08
i	7.167	4.327e-06	deg
Ω	257.759	4.729e-05	deg
ω	100.914	5.414e-05	deg
M	235.842	2.263e-05	deg

Other useful info
Absolute Magnitude (H)	15.3	mag
Slope parameter (G)	0.15	mag
Perihelion	2.7629	au
Aphelion	3.4277	au
Asc. node-Earth separation	2.10776	au
Desc. node-Earth separation	2.01472	au
Earth MOID	1.77109	au
Orbital period	1989.08	days
Date of orbit computation	apr 23 20:36

Correlation matrix
1.00000000	0.10684952	0.00524081	-0.01013620	-0.16722511	0.11639921
0.10684952	1.00000000	-0.02287888	-0.00298042	-0.06503499	0.10820042
0.00524081	-0.02287888	1.00000000	-0.08475975	0.07311889	-0.00204969
-0.01013620	-0.00298042	-0.08475975	1.00000000	-0.86860368	0.00518994
-0.16722511	-0.06503499	0.07311889	-0.86860368	1.00000000	-0.48042758
0.11639921	0.10820042	-0.00204969	0.00518994	-0.48042758	1.00000000

Covariance matrix
7.53992309E-16	1.56789938E-16	6.22725473E-16	-1.31624684E-14	-2.48615181E-13	7.23401641E-14
1.56789938E-16	2.85577733E-15	-5.29068518E-15	-7.53214671E-15	-1.88170659E-13	1.30869095E-13
6.22725473E-16	-5.29068518E-15	1.87253440E-11	-1.73453574E-11	1.71311751E-11	-2.00746516E-13
-1.31624684E-14	-7.53214671E-15	-1.73453574E-11	2.23644042E-09	-2.22404218E-09	5.55503309E-12
-2.48615181E-13	-1.88170659E-13	1.71311751E-11	-2.22404218E-09	2.93146947E-09	-5.88730588E-10
7.23401641E-14	1.30869095E-13	-2.00746516E-13	5.55503309E-12	-5.88730588E-10	5.12261799E-10