00085+3456 HDS  17

 
 
00H 08M 28.39S +34 56' 04.3" P.A. 27.4 SEP 0.11 MAG 8.27,8.31 SP F8 DIST. 85.54 PC (279.03 L.Y.)
 
 
Coord 2000
00085+3456
Discov num
HDS  17
Comp
Coord arcsec 2000
00 08 28.39 +34 56 04.3
Date first
1991
Date last
2010
Obs
38
Pa first
358
Pa last
79
P.A. Now (θ)
27.4°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
8.27
Mag sec
8.31
delta mag (ΔM)
0.04
Spectral class
F8 (yellow-white)
Pri motion ra
+114
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
N O (See Notes, Orbital solution)
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
53674
HIP
689
Tycho2
2267-00721-1
HD
375
BD
BD+34 3
Distance
85.54
Distance ly
279.03
last precise pa
78.9
last precise sep
0.12
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.81y Periastron (T)2006.3y Semi-major axis (a)0.09a
Eccentricity (e)0.527 Inclination (i)150.9° Longitude of periastron (ω)173.8°
Node (Ω)57° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.137 61.5
2001 0.134 52.4
2002 0.125 42.4
2003 0.110 30.2
2004 0.088 12.8
2005 0.061 341.1
2006 0.043 270.5
2007 0.048 182.6
2008 0.070 131.0
2009 0.094 105.6
2010 0.114 90.1
2011 0.128 78.5
2012 0.135 68.8
2013 0.137 59.8
2014 0.133 50.6
2015 0.123 40.3
2016 0.106 27.4
2017 0.083 8.4
2018 0.056 331.5
2019 0.042 252.7
2020 0.051 169.6
2021 0.075 124.9
2022 0.099 102.2
2023 0.117 87.7
2024 0.130 76.6
2025 0.136 67.1
2026 0.137 58.1
2027 0.132 48.7
2028 0.120 38.1
2029 0.102 24.5
2030 0.078 3.4

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

grafico orbita





grafico misure orbit6