07508+0317 A 2880 (HD 63799)

 
 
07h 50m 47.36s +03° 16' 38.4" P.A. 169.00 sep 0.2 mag 7.10,7.10 Sp K1III dist. 150.15 pc (489.79 l.y.)
 
 
Coord 2000 07508+0317 Discov num A  2880 Comp Coord arcsec 2000 07 50 47.36 +03 16 38.4
Date first 1914 Date last 2020 Obs 55
Pa first 182 Pa last 168.9 P.A. Now (θ) 180.3°
Sep first 0.2 Sep last 0.163 Sep. Now (ρ) 0.173"
Mag pri 7.10 Mag sec 7.10 delta mag (ΔM) 0 Spectral class K1III (yellow-orange)
Pri motion ra +055 Sec motion ra
Pri motion dec -035 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 63799 Constellation Canis Minor SAO 116014 HIP 38300
Tycho2 0184-01506-1 Gaia DR2 3089199762168395776 HD 63799 HR 3050
GC 10592 ADS 6405 BD BD+03 1818 Distance 150.15
Distance ly 489.79
 
 
ORBITAL ELEMENTS
 
 
Period (P)106.9y± 4.1 Periastron (T)1992.1y± 0.1 Semi-major axis (a)0.179a± 0.004
Eccentricity (e)0.603± 0.009 Inclination (i)45.9°± 1.2 Longitude of periastron (ω)294.8°± 3.5
Node (Ω)91.9°± 1.8 Notesn ReferenceHrt2000a
Equinox2000 Last observation1997 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 111.6 0.110
2001 116.3 0.115
2002 120.7 0.119
2003 124.8 0.122
2004 128.7 0.126
2005 132.4 0.129
2006 136.0 0.132
2007 139.3 0.134
2008 142.6 0.137
2009 145.7 0.140
2010 148.7 0.142
2011 151.7 0.145
2012 154.5 0.147
2013 157.2 0.150
2014 159.8 0.152
2015 162.4 0.154
2016 164.9 0.157
2017 167.3 0.159
2018 169.6 0.161
2019 171.9 0.164
2020 174.1 0.166
2021 176.2 0.169
2022 178.3 0.171
2023 180.3 0.173
2024 182.3 0.176
2025 184.2 0.178
2026 186.1 0.180
2027 187.9 0.182
2028 189.7 0.185
2029 191.4 0.187
2030 193.1 0.189


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



 
 


wds07508%2B0317a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic