09535+1657 CHR 219

 
 
09h 53m 30.98s +16 57' 01.9" P.A. 45.00 sep 0.2 mag 9.62,10.02 Sp K0 dist. 58.28 pc (190.11 l.y.)
 
 
Coord 2000 09535+1657 Discov num CHR 219 Comp Coord arcsec 2000 09 53 30.98 +16 57 01.9
Date first 1991 Date last 2021 Obs 20
Pa first 229 Pa last 45.2 P.A. Now (θ) 34.2°
Sep first 0.3 Sep last 0.155 Sep. Now (ρ) 0.11"
Mag pri 9.62 Mag sec 10.02 delta mag (ΔM) 0.4 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec -049 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo HIP 48504 Tycho2 1411-00333-1 Gaia DR2 620007189494732160
BD BD+17 2150 Distance 58.28 Distance ly 190.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)54y± 9.4 Periastron (T)2023.1y± 1.7 Semi-major axis (a)0.308a± 0.02
Eccentricity (e)0.274± 0.056 Inclination (i)105.2°± 0.9 Longitude of periastron (ω)245.7°± 23.8
Node (Ω)243°± 1.8 Notesn ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 183.4 0.116
2001 170.3 0.105
2002 154.9 0.100
2003 138.9 0.101
2004 124.4 0.110
2005 112.5 0.123
2006 103.1 0.139
2007 95.8 0.157
2008 90.1 0.176
2009 85.4 0.194
2010 81.6 0.212
2011 78.3 0.228
2012 75.4 0.242
2013 72.8 0.252
2014 70.3 0.260
2015 68.0 0.264
2016 65.7 0.263
2017 63.4 0.257
2018 60.9 0.246
2019 58.1 0.229
2020 54.7 0.206
2021 50.4 0.178
2022 44.2 0.145
2023 34.2 0.110
2024 15.2 0.077
2025 338.5 0.060
2026 298.9 0.072
2027 277.3 0.104
2028 266.3 0.140
2029 259.8 0.175
2030 255.4 0.208


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



 
 


wds09535%2B1657b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic