11495-4604 FIN 366

 
 
11H 49M 27.90S -46 04' 03.1" P.A. 109.1 SEP 0.1 MAG 7.58,8.75 SP FM DIST. 162.87 PC (531.28 L.Y.)
 
 
Coord 2000
11495-4604
Discov num
FIN 366
Comp
Coord arcsec 2000
11 49 27.90 -46 04 03.1
Date first
1960
Date last
2015
Obs
17
Pa first
327
Pa last
96
P.A. Now (θ)
109.1°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.58
Mag sec
8.75
delta mag (ΔM)
1.17
Spectral class
Fm (yellow-white)
Pri motion ra
-053
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Centaurus
SAO
223042
HIP
57657
Tycho2
8216-00270-1
HD
102703
CD
CD-45 7312
CP
CP-45 5630
Distance
162.87
Distance ly
531.28
last precise pa
95.7
last precise sep
0.092
 
 
ORBITAL ELEMENTS
 
 
Period (P)67.6y± 13.3 Periastron (T)1966.3y± 2.5 Semi-major axis (a)0.237a± 0.056
Eccentricity (e)0.595± 0.097 Inclination (i)75.4°± 4.7 Longitude of periastron (ω)71°± 16
Node (Ω)155.1°± 4.8 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.153 11.0
2001 0.145 13.8
2002 0.138 16.8
2003 0.130 20.2
2004 0.122 24.0
2005 0.115 28.3
2006 0.108 33.2
2007 0.102 38.6
2008 0.097 44.7
2009 0.093 51.5
2010 0.090 58.7
2011 0.088 66.4
2012 0.088 74.3
2013 0.089 82.1
2014 0.091 89.7
2015 0.095 96.7
2016 0.099 103.2
2017 0.104 109.1
2018 0.110 114.3
2019 0.117 119.1
2020 0.123 123.3
2021 0.129 127.1
2022 0.135 130.6
2023 0.141 133.7
2024 0.146 136.7
2025 0.150 139.5
2026 0.152 142.1
2027 0.152 144.7
2028 0.150 147.4
2029 0.145 150.1
2030 0.136 153.2

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