00469+4339 HDS 102

 
 
00H 46M 56.67S +43 38' 47.2" P.A. 247.1 SEP 0.06 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
90
P.A. Now (θ)
247.1°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.06"
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
BD
BD+42 170
Distance
64.68
Distance ly
210.99
last precise pa
89.6
last precise sep
0.134
 
 
ORBITAL ELEMENTS
 
 
Period (P)46.76y± 1.49 Periastron (T)2015.92y± 0.99 Semi-major axis (a)0.229a± 0.006
Eccentricity (e)0.73± 0.059 Inclination (i)118.7°± 1.4 Longitude of periastron (ω)67.2°± 5.1
Node (Ω)38.6°± 1.6 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.184 146.9
2001 0.177 142.8
2002 0.170 138.4
2003 0.163 133.6
2004 0.157 128.4
2005 0.151 122.8
2006 0.146 116.8
2007 0.141 110.3
2008 0.136 103.4
2009 0.133 96.1
2010 0.129 88.3
2011 0.125 80.1
2012 0.121 71.4
2013 0.114 61.8
2014 0.101 50.4
2015 0.076 33.7
2016 0.034 341.1
2017 0.061 247.1
2018 0.109 227.7
2019 0.145 219.4
2020 0.173 214.2
2021 0.194 210.2
2022 0.211 207.0
2023 0.225 204.2
2024 0.235 201.7
2025 0.244 199.4
2026 0.250 197.2
2027 0.255 195.2
2028 0.259 193.2
2029 0.261 191.2
2030 0.262 189.3

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic