NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 2009ST171 ∴ Orbital info ∴ Epoch 55102 MJD

2009ST171 ▹

ORBITAL INFORMATION

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(ASCII data file 2009ST171.eq0)

Keplerian elements
(Epoch 55102.8 MJD)
	Value	1-σ variation	Units
a	2.58491	0.01907	au
e	0.608223	0.002834
i	3.742	0.01273	deg
Ω	186.604	0.0006193	deg
ω	205.901	0.07741	deg
M	354.671	0.06734	deg

Other useful info
Absolute Magnitude (H)	26.8	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0127	au
Aphelion distance	4.1571	au
Asc. node-Earth separation	2.59943	au
Desc. node-Earth separation	0.05112	au
Earth MOID	0.02819	au
Orbital period	1517.98	days
Date of orbit computation	feb 26 10:51

Covariance matrix
3.63682065E-04	5.40053715E-05	2.42533379E-04	1.13613775E-05	-3.65758443E-04	1.25795684E-03
5.40053715E-05	8.02972188E-06	3.59548229E-05	1.67183480E-06	-4.67637849E-05	1.85440223E-04
2.42533379E-04	3.59548229E-05	1.62175859E-04	7.65183690E-06	-2.88908511E-04	8.47025390E-04
1.13613775E-05	1.67183480E-06	7.65183690E-06	3.83471862E-07	-2.28181739E-05	4.13516807E-05
-3.65758443E-04	-4.67637849E-05	-2.88908511E-04	-2.28181739E-05	5.99251337E-03	-2.27943394E-03
1.25795684E-03	1.85440223E-04	8.47025390E-04	4.13516807E-05	-2.27943394E-03	4.53411343E-03

Correlation matrix
1.00000000	0.99936875	0.99865958	0.96206252	-0.24775870	0.97962218
0.99936875	1.00000000	0.99635430	0.95274430	-0.21318414	0.97186849
0.99865958	0.99635430	1.00000000	0.97029959	-0.29306417	0.98777296
0.96206252	0.95274430	0.97029959	1.00000000	-0.47600293	0.99169980
-0.24775870	-0.21318414	-0.29306417	-0.47600293	1.00000000	-0.43729682
0.97962218	0.97186849	0.98777296	0.99169980	-0.43729682	1.00000000