09175+7715 KUI  39

 
 
09H 17M 30.49S +77 14' 40.6" P.A. 49.2 SEP 0.35 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
1997
Obs
36
Pa first
282
Pa last
143
P.A. Now (θ)
49.2°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.35"
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
Distance
25.71
Distance ly
83.87
last precise pa
142.8
last precise sep
0.53
 
 
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° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000 0.562 134.8
2001 0.556 131.1
2002 0.549 127.4
2003 0.542 123.6
2004 0.535 119.7
2005 0.528 115.7
2006 0.521 111.6
2007 0.513 107.3
2008 0.504 103.0
2009 0.495 98.4
2010 0.484 93.7
2011 0.472 88.8
2012 0.459 83.5
2013 0.443 78.0
2014 0.424 71.9
2015 0.402 65.3
2016 0.376 57.8
2017 0.348 49.2
2018 0.316 38.9
2019 0.285 26.3
2020 0.259 10.9
2021 0.242 352.7
2022 0.241 333.1
2023 0.257 314.7
2024 0.286 299.2
2025 0.322 286.8
2026 0.360 277.0
2027 0.399 269.1
2028 0.436 262.6
2029 0.471 257.1
2030 0.503 252.3

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