19203+6955 YSC 68

 
 
19h 20m 19.53s +69° 54' 59.1" P.A. 247.00 sep 0.6 mag 9.50,13.20 Sp K0 dist. 51.49 pc (167.96 l.y.)
 
 
Coord 2000 19203+6955 Discov num YSC  68 Comp Coord arcsec 2000 19 20 19.53 +69 54 59.1
Date first 2007 Date last 2019 Obs 6
Pa first 239 Pa last 246.6 P.A. Now (θ) 246.6°
Sep first 0.7 Sep last 0.599 Sep. Now (ρ) 0.599"
Mag pri 9.50 Mag sec 13.20 delta mag (ΔM) 3.7 Spectral class K0 (yellow-orange)
Pri motion ra +070 Sec motion ra
Pri motion dec +221 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 18303 HIP 95044 Tycho2 4448-01959-1
Gaia DR2 2261787850327205248 HD 182712 BD BD+69 1043 Distance 51.49
Distance ly 167.96
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier19203+6955
coord_arcsec_2000192019.42+695457.2
Period (P)901d (2.47y)± 60 Periastron (T)48525d (1991.733y)± 298 Semi-major axis (a)16.1m± 3.3
Eccentricity (e)0.45± 0.23 Inclination (i)78°± 6 Longitude of periastron (ω)79°± 96
Node (Ω)247°± 92 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 83.7 0.013
2001-01-01 230.1 0.011
2002-01-01 69.1 0.015
2003-01-01 154.1 0.005
2004-01-01 261.3 0.006
2005-01-01 86.7 0.012
2006-01-01 233.6 0.012
2007-01-01 71.1 0.016
2008-01-01 174.1 0.005
2009-01-01 292.8 0.003
2010-01-01 90.3 0.011
2011-01-01 236.7 0.013
2012-01-01 73.0 0.016
2013-01-01 191.3 0.006
2014-01-01 31.9 0.003
2015-01-01 94.8 0.010
2016-01-01 239.5 0.013
2017-01-01 74.8 0.016
2018-01-01 204.2 0.007
2019-01-01 53.5 0.007
2020-01-01 100.7 0.008
2021-01-01 242.2 0.013
2022-01-01 76.7 0.015
2023-01-01 213.6 0.008
2024-01-01 60.4 0.010
2025-01-01 108.5 0.007
2026-01-01 245.0 0.013
2027-01-01 78.7 0.015
2028-01-01 220.5 0.009
2029-01-01 64.2 0.012
2030-01-01 119.4 0.006


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



 
 


wds19203%2B6955r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic