17062-3838 SEE 318

 
 
17H 06M 11.92S -38 37' 30.6" P.A. 358 SEP 0.92 MAG 8.36,8.65 SP F3V DIST. 97.28 PC (317.33 L.Y.)
 
 
Coord 2000
17062-3838
Discov num
SEE 318
Comp
Coord arcsec 2000
17 06 11.92 -38 37 30.6
Date first
1897
Date last
2016
Obs
29
Pa first
235
Pa last
357
P.A. Now (θ)
358°
Sep first
0.3
Sep last
1.4
Sep. Now (ρ)
0.92"
Mag pri
8.36
Mag sec
8.65
delta mag (ΔM)
0.29
Spectral class
F3V (yellow-white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
-071
Sec motion dec
-071
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
208399
HIP
83687
Tycho2
7869-02390-1
HD
154287
CD
CD-3811541
CP
CP-38 6679
Distance
97.28
Distance ly
317.33
last precise pa
356.8
last precise sep
1.36
 
 
ORBITAL ELEMENTS
 
 
Period (P)285.08y Periastron (T)1880.35y Semi-major axis (a)0.62a
Eccentricity (e)0.48 Inclination (i)34.9° Longitude of periastron (ω)180°
Node (Ω)0.05° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation1979
label rho theta
2000 0.894 350.4
2001 0.896 350.8
2002 0.898 351.3
2003 0.900 351.7
2004 0.902 352.1
2005 0.903 352.6
2006 0.905 353.0
2007 0.906 353.4
2008 0.908 353.8
2009 0.909 354.3
2010 0.910 354.7
2011 0.911 355.1
2012 0.912 355.5
2013 0.913 355.9
2014 0.914 356.4
2015 0.915 356.8
2016 0.915 357.2
2017 0.916 357.6
2018 0.917 358.0
2019 0.917 358.4
2020 0.917 358.9
2021 0.917 359.3
2022 0.918 359.7
2023 0.918 0.1
2024 0.918 0.5
2025 0.917 0.9
2026 0.917 1.3
2027 0.917 1.8
2028 0.916 2.2
2029 0.916 2.6
2030 0.915 3.0

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic