11441-0448 RST5524

 
 
11H 44M 04.12S -04 48' 25.8" P.A. 188.2 SEP 0.21 MAG 8.90,8.90 SP F4V DIST. 135.69 PC (442.62 L.Y.)
 
 
Coord 2000
11441-0448
Discov num
RST5524
Comp
Coord arcsec 2000
11 44 04.12 -04 48 25.8
Date first
1951
Date last
2015
Obs
15
Pa first
341
Pa last
185
P.A. Now (θ)
188.2°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
8.90
Mag sec
8.90
delta mag (ΔM)
0
Spectral class
F4V (yellow-white)
Pri motion ra
-044
Sec motion ra
Pri motion dec
-042
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Virgo
HIP
57232
Tycho2
4934-01281-1
HD
101969
BD
BD-03 3167
Distance
135.69
Distance ly
442.62
last precise pa
184.7
last precise sep
0.221
 
 
ORBITAL ELEMENTS
 
 
Period (P)56.24y± 1.92 Periastron (T)1984.17y± 0.81 Semi-major axis (a)0.148a± 0.003
Eccentricity (e)0.48± 0.05 Inclination (i)48.7°± 4.4 Longitude of periastron (ω)336.9°± 7.7
Node (Ω)15.4°± 5.1 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.145 148.8
2001 0.152 152.5
2002 0.160 155.8
2003 0.167 158.9
2004 0.173 161.7
2005 0.179 164.3
2006 0.185 166.7
2007 0.190 169.0
2008 0.195 171.2
2009 0.199 173.3
2010 0.203 175.3
2011 0.206 177.3
2012 0.209 179.1
2013 0.211 181.0
2014 0.212 182.8
2015 0.213 184.6
2016 0.213 186.4
2017 0.212 188.2
2018 0.211 190.0
2019 0.209 191.8
2020 0.207 193.7
2021 0.204 195.6
2022 0.200 197.6
2023 0.195 199.7
2024 0.189 201.9
2025 0.183 204.3
2026 0.176 206.8
2027 0.168 209.5
2028 0.159 212.6
2029 0.149 216.0
2030 0.138 220.0

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