03014+0615 HDS 385

 
 
03H 01M 22.67S +06 14' 57.6" P.A. 139.3 SEP 0.12 MAG 9.52,9.97 SP G8+G8 DIST. 55.31 PC (180.42 L.Y.)
 
 
Coord 2000
03014+0615
Discov num
HDS 385
Comp
Coord arcsec 2000
03 01 22.67 +06 14 57.6
Date first
1991
Date last
2015
Obs
24
Pa first
168
Pa last
127
P.A. Now (θ)
139.3°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.12"
Mag pri
9.52
Mag sec
9.97
delta mag (ΔM)
0.45
Spectral class
G8+G8 (yellow/yellow)
Pri motion ra
+036
Sec motion ra
Pri motion dec
-090
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
14075
Tycho2
0061-00855-1
HD
18774
BD
BD+05 438
Distance
55.31
Distance ly
180.42
last precise pa
127.4
last precise sep
0.096
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.27y± 0.09 Periastron (T)2012.9y± 0.07 Semi-major axis (a)0.117a± 0.001
Eccentricity (e)0.397± 0.004 Inclination (i)52.5°± 0.7 Longitude of periastron (ω)2.7°± 2.4
Node (Ω)347.4°± 1 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.069 100.8
2001 0.097 127.9
2002 0.124 142.7
2003 0.145 152.5
2004 0.158 160.3
2005 0.163 167.3
2006 0.161 174.1
2007 0.150 181.5
2008 0.132 190.5
2009 0.107 203.2
2010 0.080 224.2
2011 0.060 263.8
2012 0.064 314.2
2013 0.070 352.7
2014 0.059 35.9
2015 0.063 89.5
2016 0.089 122.3
2017 0.118 139.3
2018 0.140 150.2
2019 0.155 158.4
2020 0.163 165.4
2021 0.162 172.2
2022 0.154 179.4
2023 0.138 187.9
2024 0.115 199.2
2025 0.087 217.2
2026 0.063 250.9
2027 0.061 301.6
2028 0.070 342.9
2029 0.062 22.5
2030 0.059 76.2

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