12429+0516 A  1602

 
 
12H 42M 55.41S +05 15' 59.9" P.A. 26.7 SEP 0.61 MAG 8.77,10.12 SP G5 DIST. 92.51 PC (301.77 L.Y.)
 
 
Coord 2000
12429+0516
Discov num
A  1602
Comp
Coord arcsec 2000
12 42 55.41 +05 15 59.9
Date first
1907
Date last
2014
Obs
13
Pa first
178
Pa last
27
P.A. Now (θ)
26.7°
Sep first
0.3
Sep last
0.6
Sep. Now (ρ)
0.61"
Mag pri
8.77
Mag sec
10.12
delta mag (ΔM)
1.35
Spectral class
G5 (yellow)
Pri motion ra
-082
Sec motion ra
Pri motion dec
-105
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Virgo
HIP
62034
Tycho2
0296-00228-1
HD
110555
ADS
8639
BD
BD+06 2647
Distance
92.51
Distance ly
301.77
last precise pa
27.1
last precise sep
0.589
 
 
ORBITAL ELEMENTS
 
 
Period (P)699.4y Periastron (T)1913.05y Semi-major axis (a)1.567a
Eccentricity (e)0.914 Inclination (i)96.9° Longitude of periastron (ω)125.8°
Node (Ω)5.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.478 30.3
2001 0.486 30.0
2002 0.494 29.7
2003 0.501 29.5
2004 0.509 29.3
2005 0.516 29.0
2006 0.524 28.8
2007 0.531 28.6
2008 0.539 28.4
2009 0.546 28.1
2010 0.554 27.9
2011 0.561 27.7
2012 0.569 27.6
2013 0.576 27.4
2014 0.583 27.2
2015 0.591 27.0
2016 0.598 26.8
2017 0.605 26.7
2018 0.613 26.5
2019 0.620 26.3
2020 0.627 26.2
2021 0.634 26.0
2022 0.642 25.9
2023 0.649 25.7
2024 0.656 25.6
2025 0.663 25.4
2026 0.670 25.3
2027 0.677 25.2
2028 0.684 25.0
2029 0.691 24.9
2030 0.698 24.8

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