22077+2622 COU 537

 
 
22h 07m 40.20s +26° 21' 35.8" P.A. 328.00 sep 0.2 mag 8.60,8.80 Sp G0
 
 
Coord 2000 22077+2622 Discov num COU 537 Comp Coord arcsec 2000 22 07 40.20 +26 21 35.8
Date first 1970 Date last 2013 Obs 40
Pa first 339 Pa last 327.6 P.A. Now (θ) 354.9°
Sep first 0.3 Sep last 0.241 Sep. Now (ρ) 0.234"
Mag pri 8.60 Mag sec 8.80 delta mag (ΔM) 0.2 Spectral class G0 (yellow)
Pri motion ra -017 Sec motion ra
Pri motion dec -020 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 2212-01321-1
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.43y Periastron (T)1993.7y Semi-major axis (a)0.185a
Eccentricity (e)0.595 Inclination (i)35.1° Longitude of periastron (ω)89.1°
Node (Ω)69.3° Notes ReferenceDoc2012g
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 273.2 0.162
2001 279.3 0.174
2002 284.7 0.184
2003 289.5 0.192
2004 293.9 0.200
2005 298.1 0.207
2006 301.9 0.213
2007 305.6 0.218
2008 309.1 0.223
2009 312.5 0.227
2010 315.8 0.230
2011 319.0 0.233
2012 322.1 0.236
2013 325.1 0.238
2014 328.1 0.239
2015 331.1 0.240
2016 334.1 0.241
2017 337.0 0.241
2018 339.9 0.241
2019 342.9 0.241
2020 345.8 0.240
2021 348.8 0.238
2022 351.8 0.237
2023 354.9 0.234
2024 358.0 0.232
2025 1.3 0.229
2026 4.6 0.225
2027 8.0 0.221
2028 11.6 0.216
2029 15.4 0.210
2030 19.3 0.204


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



 
 


wds22077%2B2622b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic