09175+7715 KUI 39

 
 
09h 17m 30.49s +77 14' 40.6" P.A. 91.00 sep 0.5 mag 10.92,11.04 Sp K5 dist. 25.71 pc (83.87 l.y.)
 
 
Coord 2000 09175+7715 Discov num KUI  39 Comp Coord arcsec 2000 09 17 30.49 +77 14 40.6
Date first 1935 Date last 2012 Obs 37
Pa first 282 Pa last 91.2 P.A. Now (θ) 91.2°
Sep first 0.5 Sep last 0.545 Sep. Now (ρ) 0.545"
Mag pri 10.92 Mag sec 11.04 delta mag (ΔM) 0.12 Spectral class K5 (yellow-orange)
Pri motion ra -106 Sec motion ra -106
Pri motion dec -002 Sec motion dec -002
Notes N O P (See Notes, Orbital solution, 100-year proper motion)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Camelopardalis HIP 45593 Tycho2 4541-00108-1 GL Gl 338.1A
BD BD+77 361 Distance 25.71 Distance ly 83.87
 
 
ORBITAL ELEMENTS
 
 
Period (P)73.17y Periastron (T)2020.48y Semi-major axis (a)0.592a
Eccentricity (e)0.463 Inclination (i)137.8° Longitude of periastron (ω)67.7°
Node (Ω)63.5° Notesn ReferenceMnt1999a
Equinox2000 Last observation1991 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 134.8 0.562
2001 131.1 0.556
2002 127.4 0.549
2003 123.6 0.542
2004 119.7 0.535
2005 115.7 0.528
2006 111.6 0.521
2007 107.3 0.513
2008 103.0 0.504
2009 98.4 0.495
2010 93.7 0.484
2011 88.8 0.472
2012 83.5 0.459
2013 78.0 0.443
2014 71.9 0.424
2015 65.3 0.402
2016 57.8 0.376
2017 49.2 0.348
2018 38.9 0.316
2019 26.3 0.285
2020 10.9 0.259
2021 352.7 0.242
2022 333.1 0.241
2023 314.7 0.257
2024 299.2 0.286
2025 286.8 0.322
2026 277.0 0.360
2027 269.1 0.399
2028 262.6 0.436
2029 257.1 0.471
2030 252.3 0.503


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds09175%2B7715a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic