00469+4339 HDS 102

 
 
00h 46m 56.67s +43 38' 47.2" P.A. 90.00 sep 0.1 mag 10.12,11.65 Sp K2 dist. 64.68 pc (210.99 l.y.)
 
 
Coord 2000 00469+4339 Discov num HDS 102 Comp Coord arcsec 2000 00 46 56.67 +43 38 47.2
Date first 1991 Date last 2010 Obs 12
Pa first 173 Pa last 89.6 P.A. Now (θ) 89.6°
Sep first 0.2 Sep last 0.134 Sep. Now (ρ) 0.134"
Mag pri 10.12 Mag sec 11.65 delta mag (ΔM) 1.53 Spectral class K2 (yellow-orange)
Pri motion ra -002 Sec motion ra
Pri motion dec -297 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda HIP 3669 Tycho2 2809-00167-1 Gaia DR2 375872108700583936
BD BD+42 170 Distance 64.68 Distance ly 210.99
 
 
ORBITAL ELEMENTS
 
 
Period (P)83.89y Periastron (T)2016.7y Semi-major axis (a)0.336a
Eccentricity (e)0.783 Inclination (i)113.4° Longitude of periastron (ω)61.3°
Node (Ω)51.3° Notes ReferenceDoc2017i
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 148.0 0.175
2001 144.0 0.169
2002 139.6 0.163
2003 134.9 0.157
2004 129.9 0.152
2005 124.6 0.148
2006 118.9 0.144
2007 113.0 0.141
2008 106.9 0.139
2009 100.6 0.137
2010 94.1 0.135
2011 87.4 0.133
2012 80.6 0.131
2013 73.5 0.127
2014 65.6 0.119
2015 56.2 0.104
2016 41.2 0.074
2017 349.3 0.033
2018 263.1 0.060
2019 245.1 0.109
2020 237.9 0.151
2021 233.7 0.186
2022 230.7 0.215
2023 228.4 0.240
2024 226.4 0.261
2025 224.8 0.280
2026 223.4 0.296
2027 222.1 0.311
2028 220.9 0.324
2029 219.8 0.335
2030 218.8 0.346


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



 
 


wds00469%2B4339e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic