11322+3615 HU 1134

 
 
11H 32M 12.54S +36 14' 50.4" P.A. 300.6 SEP 0.16 MAG 7.24,7.85 SP G8III DIST. 177.3 PC (578.35 L.Y.)
 
 
Coord 2000
11322+3615
Discov num
HU 1134
Comp
Coord arcsec 2000
11 32 12.54 +36 14 50.4
Date first
1905
Date last
2008
Obs
51
Pa first
122
Pa last
112
P.A. Now (θ)
300.6°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.16"
Mag pri
7.24
Mag sec
7.85
delta mag (ΔM)
0.61
Spectral class
G8III (yellow)
Pri motion ra
-018
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
112.4
Precise sep
0.138
Constellation
Ursa Major
SAO
62590
HIP
56274
Tycho2
2525-02444-1
HD
100235
ADS
8198
BD
BD+37 2192
Distance
177.3
Distance ly
578.35
last precise pa
112.4
last precise sep
0.138
 
 
ORBITAL ELEMENTS
 
 
Period (P)81.47y Periastron (T)1927.37y Semi-major axis (a)0.216a
Eccentricity (e)0.468 Inclination (i)91.4° Longitude of periastron (ω)74.7°
Node (Ω)120.1° Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation1997
label rho theta
2000 0.163 120.5
2001 0.159 120.3
2002 0.152 120.2
2003 0.143 120.0
2004 0.131 119.7
2005 0.116 119.4
2006 0.098 119.0
2007 0.076 118.4
2008 0.052 117.3
2009 0.026 114.1
2010 0.003 7.8
2011 0.028 305.8
2012 0.055 303.0
2013 0.079 302.0
2014 0.102 301.4
2015 0.122 301.0
2016 0.140 300.8
2017 0.155 300.6
2018 0.169 300.4
2019 0.180 300.3
2020 0.190 300.1
2021 0.198 300.0
2022 0.205 299.9
2023 0.210 299.8
2024 0.214 299.7
2025 0.217 299.6
2026 0.219 299.5
2027 0.219 299.4
2028 0.219 299.3
2029 0.218 299.2
2030 0.216 299.1

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