10269+1713 STT 217

 
 
10H 26M 53.01S +17 13' 09.9" P.A. 148.7 SEP 0.79 MAG 7.85,8.58 SP F6V DIST. 84.75 PC (276.45 L.Y.)
 
 
Coord 2000
10269+1713
Discov num
STT 217
Comp
Coord arcsec 2000
10 26 53.01 +17 13 09.9
Date first
1843
Date last
2015
Obs
168
Pa first
147
Pa last
147
P.A. Now (θ)
148.7°
Sep first
0.4
Sep last
0.8
Sep. Now (ρ)
0.79"
Mag pri
7.85
Mag sec
8.58
delta mag (ΔM)
0.73
Spectral class
F6V (yellow-white)
Pri motion ra
-042
Sec motion ra
-042
Pri motion dec
-067
Sec motion dec
-067
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
99127
HIP
51145
Tycho2
1420-00152-1
HD
90444
ADS
7775
BD
BD+17 2224
Distance
84.75
Distance ly
276.45
last precise pa
147.1
last precise sep
0.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)139.789y Periastron (T)1966.983y Semi-major axis (a)0.47a
Eccentricity (e)0.984 Inclination (i)47.3° Longitude of periastron (ω)219.9°
Node (Ω)121.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000 0.690 146.6
2001 0.698 146.7
2002 0.706 146.9
2003 0.713 147.0
2004 0.721 147.1
2005 0.728 147.3
2006 0.735 147.4
2007 0.741 147.5
2008 0.747 147.7
2009 0.753 147.8
2010 0.759 147.9
2011 0.764 148.0
2012 0.769 148.1
2013 0.774 148.2
2014 0.779 148.4
2015 0.783 148.5
2016 0.787 148.6
2017 0.791 148.7
2018 0.795 148.8
2019 0.798 148.9
2020 0.802 149.0
2021 0.805 149.1
2022 0.807 149.2
2023 0.810 149.3
2024 0.812 149.4
2025 0.814 149.5
2026 0.816 149.6
2027 0.818 149.7
2028 0.819 149.9
2029 0.820 150.0
2030 0.821 150.1

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