15136+3453 HO   60

 
 
15H 13M 35.21S +34 52' 54.8" P.A. 58 SEP 0.23 MAG 9.20,9.30 SP F5 DIST. 142.05 PC (463.37 L.Y.)
 
 
Coord 2000
15136+3453
Discov num
HO   60
Comp
Coord arcsec 2000
15 13 35.21 +34 52 54.8
Date first
1885
Date last
2009
Obs
53
Pa first
38
Pa last
68
P.A. Now (θ)
58°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.23"
Mag pri
9.20
Mag sec
9.30
delta mag (ΔM)
0.1
Spectral class
F5 (yellow-white)
Pri motion ra
-032
Sec motion ra
Pri motion dec
-005
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
64567
HIP
74512
Tycho2
2566-00036-1
HD
135365
ADS
9547
BD
BD+35 2663
Distance
142.05
Distance ly
463.37
last precise pa
68.1
last precise sep
0.18
 
 
ORBITAL ELEMENTS
 
 
Period (P)183y Periastron (T)1973.28y Semi-major axis (a)0.281a
Eccentricity (e)0.543 Inclination (i)109.3° Longitude of periastron (ω)164.2°
Node (Ω)34° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2005
label rho theta
2000 0.100 92.5
2001 0.106 88.5
2002 0.113 84.9
2003 0.120 81.7
2004 0.127 78.9
2005 0.134 76.3
2006 0.141 74.0
2007 0.148 72.0
2008 0.156 70.1
2009 0.163 68.4
2010 0.170 66.9
2011 0.178 65.5
2012 0.185 64.1
2013 0.192 62.9
2014 0.199 61.8
2015 0.206 60.7
2016 0.213 59.8
2017 0.220 58.9
2018 0.227 58.0
2019 0.234 57.2
2020 0.240 56.4
2021 0.247 55.7
2022 0.253 55.0
2023 0.260 54.3
2024 0.266 53.7
2025 0.272 53.1
2026 0.278 52.5
2027 0.284 52.0
2028 0.289 51.5
2029 0.295 51.0
2030 0.301 50.5

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