NEODyS

NEODyS-2

Near Earth Objects - Dynamic Site

NEODyS ∴ Objects ∴ 1991TT ∴ Orbital info ∴ Epoch 48536 MJD

1991TT ▹

ORBITAL INFORMATION

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(ASCII data file 1991TT.eq0)

Keplerian elements
(Epoch 48536.6 MJD)
	Value	1-σ variation	Units
a	1.19403	0.002911	au
e	0.160966	0.001862
i	14.788	0.1198	deg
Ω	192.52	0.002222	deg
ω	217.683	0.1677	deg
M	333.854	0.2293	deg

Other useful info
Absolute Magnitude (H)	26.1	mag
Slope parameter (G)	0.15	mag
Perihelion distance	1.0018	au
Aphelion distance	1.3862	au
Asc. node-Earth separation	0.33147	au
Desc. node-Earth separation	0.0318	au
Earth MOID	0.03064	au
Orbital period	476.562	days
Date of orbit computation	feb 26 10:21

Covariance matrix
8.47189568E-06	5.41887223E-06	3.48601377E-04	6.46434407E-06	-4.83638776E-04	6.65820986E-04
5.41887223E-06	3.46689422E-06	2.22978328E-04	4.13306633E-06	-3.08709436E-04	4.25444347E-04
3.48601377E-04	2.22978328E-04	1.43451422E-02	2.66021123E-04	-1.98976581E-02	2.73949994E-02
6.46434407E-06	4.13306633E-06	2.66021123E-04	4.93934923E-06	-3.70349065E-04	5.08933670E-04
-4.83638776E-04	-3.08709436E-04	-1.98976581E-02	-3.70349065E-04	2.81077078E-02	-3.83479668E-02
6.65820986E-04	4.25444347E-04	2.73949994E-02	5.08933670E-04	-3.83479668E-02	5.25573761E-02

Correlation matrix
1.00000000	0.99988100	0.99996862	0.99930785	-0.99110142	0.99781572
0.99988100	1.00000000	0.99986170	0.99877397	-0.98893306	0.99667973
0.99996862	0.99986170	1.00000000	0.99937580	-0.99091596	0.99770473
0.99930785	0.99877397	0.99937580	1.00000000	-0.99394802	0.99887117
-0.99110142	-0.98893306	-0.99091596	-0.99394802	1.00000000	-0.99772945
0.99781572	0.99667973	0.99770473	0.99887117	-0.99772945	1.00000000