15317+0053 TOK  48

 
 
15H 31M 42.89S +00 53' 01.5" P.A. 130 SEP 0.1 MAG 7.80,8.90 SP G0 DIST. 50.84 PC (165.84 L.Y.)
 
 
Coord 2000
15317+0053
Discov num
TOK  48
Comp
Coord arcsec 2000
15 31 42.89 +00 53 01.5
Date first
2009
Date last
2015
Obs
8
Pa first
68
Pa last
130
P.A. Now (θ)
130°
Sep first
0.0
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.80
Mag sec
8.90
delta mag (ΔM)
1.1
Spectral class
G0 (yellow)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-090
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
121042
HIP
76031
Tycho2
0350-00754-1
HD
138369
BD
BD+01 3092
Distance
50.84
Distance ly
165.84
last precise pa
129.9
last precise sep
0.058
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.713y± 0.002 Periastron (T)2016.47y± 0.01 Semi-major axis (a)0.0427a± 0.001
Eccentricity (e)0.435± 0.017 Inclination (i)150° Longitude of periastron (ω)45.8°± 2.3
Node (Ω)161.9°± 2.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.057 317.8
2001 0.025 148.6
2002 0.056 291.7
2003 0.036 12.9
2004 0.046 258.5
2005 0.054 331.1
2006 0.032 200.1
2007 0.058 304.6
2008 0.024 63.2
2009 0.051 276.3
2010 0.047 347.2
2011 0.039 233.5
2012 0.057 317.0
2013 0.024 144.2
2014 0.055 290.9
2015 0.037 10.9
2016 0.045 257.2
2017 0.054 330.2
2018 0.032 197.4
2019 0.058 303.8
2020 0.024 58.5
2021 0.051 275.2
2022 0.048 346.0
2023 0.038 231.6
2024 0.058 316.2
2025 0.024 139.6
2026 0.055 290.0
2027 0.037 8.9
2028 0.045 255.9
2029 0.055 329.3
2030 0.031 194.7

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