11268-5310 I   883

 
 
11H 26M 47.30S -53 09' 35.8" P.A. 236.5 SEP 0.25 MAG 6.83,6.52 SP K0III+... DIST. 187.62 PC (612.02 L.Y.)
 
 
Coord 2000
11268-5310
Discov num
I   883
Comp
Coord arcsec 2000
11 26 47.30 -53 09 35.8
Date first
1910
Date last
2013
Obs
38
Pa first
270
Pa last
232
P.A. Now (θ)
236.5°
Sep first
0.5
Sep last
0.2
Sep. Now (ρ)
0.25"
Mag pri
6.83
Mag sec
6.52
delta mag (ΔM)
0.31
Spectral class
K0III+... (yellow-orange)
Pri motion ra
-042
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.1
Precise sep
0.236
Constellation
Centaurus
SAO
239074
HIP
55849
Tycho2
8617-01056-1
HD
99574
HR
4417
CP
CP-52 4567
Distance
187.62
Distance ly
612.02
last precise pa
232.1
last precise sep
0.236
 
 
ORBITAL ELEMENTS
 
 
Period (P)154.3y Periastron (T)1976.81y Semi-major axis (a)0.224a
Eccentricity (e)0.64 Inclination (i)35.3° Longitude of periastron (ω)311.7°
Node (Ω)129.8° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.185 210.1
2001 0.190 212.2
2002 0.194 214.2
2003 0.198 216.1
2004 0.202 218.0
2005 0.207 219.7
2006 0.211 221.4
2007 0.215 223.0
2008 0.219 224.6
2009 0.223 226.1
2010 0.226 227.6
2011 0.230 229.0
2012 0.234 230.3
2013 0.238 231.6
2014 0.241 232.9
2015 0.245 234.2
2016 0.249 235.4
2017 0.252 236.5
2018 0.255 237.7
2019 0.259 238.8
2020 0.262 239.9
2021 0.265 240.9
2022 0.268 242.0
2023 0.271 243.0
2024 0.274 244.0
2025 0.277 244.9
2026 0.280 245.9
2027 0.283 246.8
2028 0.286 247.7
2029 0.288 248.6
2030 0.291 249.5

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