15041-0653 HO  391AB

 
 
15H 04M 07.07S -06 53' 14.4" P.A. 44.8 SEP 0.93 MAG 7.83,11.34 SP G5 DIST. 33.03 PC (107.74 L.Y.)
 
 
Coord 2000
15041-0653
Discov num
HO  391
Comp
AB
Coord arcsec 2000
15 04 07.07 -06 53 14.4
Date first
1891
Date last
2014
Obs
17
Pa first
142
Pa last
53
P.A. Now (θ)
44.8°
Sep first
1.9
Sep last
1.0
Sep. Now (ρ)
0.93"
Mag pri
7.83
Mag sec
11.34
delta mag (ΔM)
3.51
Spectral class
G5 (yellow)
Pri motion ra
-216
Sec motion ra
-213
Pri motion dec
-008
Sec motion dec
-011
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
15041-0653 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15041-0653 HO 391 AB 1891 2014 17 45 0.9 7.83 11.34 3.51 Y <===
Show 15041-0653 HO 391 AC 1891 2000 9 319 27.6 7.83 12.30 4.47
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Libra
HIP
73717
Tycho2
5012-00808-1
HD
133352
ADS
9492
BD
BD-06 4125
Distance
33.03
Distance ly
107.74
last precise pa
53
last precise sep
0.971
 
 
ORBITAL ELEMENTS
 
 
Period (P)536y Periastron (T)2016.7y Semi-major axis (a)2.263a
Eccentricity (e)0.376 Inclination (i)128.1° Longitude of periastron (ω)70.4°
Node (Ω)107.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 1.215 76.7
2001 1.196 75.4
2002 1.178 74.0
2003 1.160 72.5
2004 1.143 71.1
2005 1.125 69.5
2006 1.107 67.9
2007 1.090 66.3
2008 1.073 64.6
2009 1.057 62.9
2010 1.041 61.1
2011 1.025 59.3
2012 1.010 57.4
2013 0.996 55.4
2014 0.982 53.4
2015 0.968 51.3
2016 0.956 49.2
2017 0.944 47.0
2018 0.934 44.8
2019 0.924 42.5
2020 0.915 40.2
2021 0.907 37.8
2022 0.900 35.4
2023 0.894 33.0
2024 0.890 30.5
2025 0.886 28.0
2026 0.884 25.5
2027 0.883 23.0
2028 0.884 20.5
2029 0.885 17.9
2030 0.888 15.4

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