14515+4456 STT 287 (HD 131315)

 
 
14h 51m 27.53s +44° 55' 42.6" P.A. 11.00 sep 0.6 mag 8.40,8.62 Sp G0 dist. 59.14 pc (192.91 l.y.)
 
 
Coord 2000 14515+4456 Discov num STT 287 Comp Coord arcsec 2000 14 51 27.53 +44 55 42.6
Date first 1843 Date last 2021 Obs 231
Pa first 274 Pa last 10.8 P.A. Now (θ) 10.8°
Sep first 0.5 Sep last 0.63 Sep. Now (ρ) 0.63"
Mag pri 8.40 Mag sec 8.62 delta mag (ΔM) 0.22 Spectral class G0 (yellow)
Pri motion ra -013 Sec motion ra -013
Pri motion dec -039 Sec motion dec -039
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 131315 Constellation Bootes SAO 45241 HIP 72666
Tycho2 3049-00986-1 Gaia DR2 1586731760057783552 HD 131315 ADS 9418
BD BD+45 2229 Distance 59.14 Distance ly 192.91
 
 
ORBITAL ELEMENTS
 
 
Period (P)340y Periastron (T)2067y Semi-major axis (a)0.91a
Eccentricity (e)0.34 Inclination (i)67° Longitude of periastron (ω)306°
Node (Ω)166.9° Notes ReferenceHei1997
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 353.2 0.883
2001 353.6 0.874
2002 354.0 0.865
2003 354.5 0.855
2004 354.9 0.845
2005 355.4 0.835
2006 355.8 0.824
2007 356.3 0.813
2008 356.8 0.802
2009 357.3 0.791
2010 357.8 0.779
2011 358.4 0.768
2012 358.9 0.755
2013 359.5 0.743
2014 0.1 0.731
2015 0.7 0.718
2016 1.3 0.705
2017 2.0 0.691
2018 2.7 0.678
2019 3.4 0.664
2020 4.2 0.650
2021 4.9 0.636
2022 5.8 0.621
2023 6.6 0.607
2024 7.5 0.592
2025 8.4 0.577
2026 9.4 0.562
2027 10.5 0.546
2028 11.6 0.531
2029 12.8 0.515
2030 14.0 0.500
2031 15.4 0.484
2032 16.8 0.468
2033 18.3 0.452
2034 19.9 0.436
2035 21.7 0.421
2036 23.6 0.405
2037 25.6 0.390
2038 27.8 0.374
2039 30.2 0.359
2040 32.8 0.345
2041 35.7 0.331
2042 38.7 0.318
2043 42.1 0.305
2044 45.7 0.293
2045 49.6 0.282
2046 53.8 0.272
2047 58.2 0.264
2048 63.0 0.257
2049 68.0 0.252
2050 73.1 0.248


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds14515%2B4456a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic