10140+2227 COU 169Aa,Ab

 
 
10H 14M 01.84S +22 27' 22.7" P.A. 330.6 SEP 0.5 MAG 10.72,10.91 SP K5 DIST. 77.94 PC (254.24 L.Y.)
 
 
Coord 2000
10140+2227
Discov num
COU 169
Comp
Aa,Ab
Coord arcsec 2000
10 14 01.84 +22 27 22.7
Date first
1967
Date last
2014
Obs
34
Pa first
69
Pa last
323
P.A. Now (θ)
330.6°
Sep first
0.2
Sep last
0.6
Sep. Now (ρ)
0.5"
Mag pri
10.72
Mag sec
10.91
delta mag (ΔM)
0.19
Spectral class
K5 (yellow-orange)
Pri motion ra
+060
Sec motion ra
+060
Pri motion dec
-093
Sec motion dec
-093
Notes
O (Orbital solution)
This double is physical.
 
 
10140+2227 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 10140+2227 COU 169 Aa,Ab 1967 2014 34 331 0.5 10.72 10.91 0.19 Y <===
Show 10140+2227 UC 1897 AB 1998 2001 2 307 35.8 10.01 15.01 5.00
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
HIP
50130
Tycho2
1425-00296-1
BD
BD+23 2195
Distance
77.94
Distance ly
254.24
last precise pa
322.5
last precise sep
0.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)85.57y Periastron (T)1961.11y Semi-major axis (a)0.35a
Eccentricity (e)0.6 Inclination (i)150° Longitude of periastron (ω)195°
Node (Ω) Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 0.555 351.4
2001 0.556 350.3
2002 0.556 349.1
2003 0.556 348.0
2004 0.555 346.8
2005 0.554 345.7
2006 0.552 344.5
2007 0.550 343.3
2008 0.548 342.1
2009 0.545 340.9
2010 0.541 339.7
2011 0.537 338.5
2012 0.532 337.2
2013 0.527 336.0
2014 0.522 334.7
2015 0.515 333.3
2016 0.509 332.0
2017 0.502 330.6
2018 0.494 329.1
2019 0.486 327.7
2020 0.477 326.1
2021 0.468 324.5
2022 0.458 322.9
2023 0.448 321.1
2024 0.437 319.3
2025 0.426 317.4
2026 0.414 315.4
2027 0.402 313.2
2028 0.389 310.9
2029 0.376 308.5
2030 0.362 305.9

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