02168+4346 GNS 1 (HD 13931)

 
 
02h 16m 47.37s +43° 46' 22.7" P.A. 16.00 sep 10.5 mag 7.60,11.00 Sp G0 dist. 44.23 pc (144.28 l.y.)
 
 
Coord 2000 02168+4346 Discov num GNS   1 Comp Coord arcsec 2000 02 16 47.37 +43 46 22.7
Date first 1998 Date last 2015 Obs 7
Pa first 31 Pa last 16.2 P.A. Now (θ) 16.2°
Sep first 8.1 Sep last 10.526 Sep. Now (ρ) 10.526"
Mag pri 7.60 Mag sec 11.00 delta mag (ΔM) 3.4 Spectral class G0 (yellow)
Pri motion ra +099 Sec motion ra
Pri motion dec -183 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 13931 Constellation Andromeda SAO 37918 HIP 10626
Tycho2 2842-00200-1 Gaia DR2 351537889154226816 HD 13931 BD BD+43 459
Distance 44.23 Distance ly 144.28
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier02168+4346
coord_arcsec_2000021647.37+434622.7
Period (P)11.5y± 1.1 Periastron (T)54494m (2008.077y)± 904 Semi-major axis (a)116.44m± 6.56
Eccentricity (e)0.02± 0.05 Inclination (i)° Longitude of periastron (ω)290°± 78
Node (Ω)° Notes ReferenceHwd2010
Equinox Last observation Grade7(1=Definitive, 9=Indet.)
label theta rho
2000 39.3 0.117
2001 70.0 0.118
2002 100.2 0.119
2003 130.3 0.119
2004 160.6 0.118
2005 191.4 0.117
2006 222.9 0.115
2007 255.0 0.115
2008 287.5 0.114
2009 320.0 0.114
2010 352.2 0.115
2011 23.8 0.117
2012 54.7 0.118
2013 85.1 0.119
2014 115.2 0.119
2015 145.4 0.118
2016 175.9 0.117
2017 207.1 0.116
2018 238.9 0.115
2019 271.2 0.114
2020 303.8 0.114
2021 336.2 0.115
2022 8.1 0.116
2023 39.3 0.117
2024 70.0 0.118
2025 100.2 0.119
2026 130.3 0.119
2027 160.6 0.118
2028 191.4 0.117
2029 222.9 0.115
2030 255.0 0.115


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