10110+7508 KUI  47

 
 
10H 10M 58.77S +75 08' 28.5" P.A. 125.5 SEP 1.88 MAG 10.32,10.39 SP M0 DIST. 21.53 PC (70.23 L.Y.)
 
 
Coord 2000
10110+7508
Discov num
KUI  47
Comp
Coord arcsec 2000
10 10 58.77 +75 08 28.5
Date first
1936
Date last
2015
Obs
52
Pa first
158
Pa last
122
P.A. Now (θ)
125.5°
Sep first
1.3
Sep last
1.7
Sep. Now (ρ)
1.88"
Mag pri
10.32
Mag sec
10.39
delta mag (ΔM)
0.07
Spectral class
M0 (red)
Pri motion ra
+228
Sec motion ra
+228
Pri motion dec
+252
Sec motion dec
+252
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
7063
HIP
49868
Tycho2
4542-00134-1
GL
Gl 379A
BD
BD+75 403
Distance
21.53
Distance ly
70.23
last precise pa
122.4
last precise sep
1.73
 
 
ORBITAL ELEMENTS
 
 
Period (P)175y Periastron (T)1955.5y Semi-major axis (a)1.58a
Eccentricity (e)0.92 Inclination (i)50.5° Longitude of periastron (ω)288°
Node (Ω)16.9° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 1.634 118.5
2001 1.651 118.9
2002 1.668 119.4
2003 1.684 119.9
2004 1.700 120.3
2005 1.716 120.8
2006 1.731 121.2
2007 1.746 121.6
2008 1.761 122.0
2009 1.775 122.4
2010 1.789 122.8
2011 1.802 123.2
2012 1.815 123.6
2013 1.828 124.0
2014 1.841 124.4
2015 1.853 124.8
2016 1.865 125.1
2017 1.876 125.5
2018 1.887 125.9
2019 1.898 126.2
2020 1.908 126.6
2021 1.919 126.9
2022 1.928 127.3
2023 1.938 127.6
2024 1.947 128.0
2025 1.956 128.3
2026 1.964 128.6
2027 1.973 129.0
2028 1.980 129.3
2029 1.988 129.6
2030 1.995 129.9

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