14056-3916 I 1575 (HD 122918)

 
 
14h 05m 38.51s -39° 16' 12.1" P.A. 61.00 sep 0.1 mag 10.05,10.74 Sp G3V dist. 177.62 pc (579.4 l.y.)
 
 
Coord 2000 14056-3916 Discov num I  1575 Comp Coord arcsec 2000 14 05 38.51 -39 16 12.1
Date first 1927 Date last 2024 Obs 9
Pa first 176 Pa last 60.7 P.A. Now (θ)
Sep first 0.2 Sep last 0.102 Sep. Now (ρ) 0.23"
Mag pri 10.05 Mag sec 10.74 delta mag (ΔM) 0.69 Spectral class G3V (yellow)
Pri motion ra +013 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 122918 Constellation Centaurus HIP 68831 Tycho2 7803-01602-1
Gaia DR2 6111308385667172992 HD 122918 CD CD-38 9052 CP CP-38 5711
Distance 177.62 Distance ly 579.4
 
 
ORBITAL ELEMENTS
 
 
Period (P)64.9y Periastron (T)2018.62y Semi-major axis (a)0.1353a
Eccentricity (e)0.776 Inclination (i)160° Longitude of periastron (ω)290.8°
Node (Ω)119.5° Notes ReferenceTok2024d
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 350.2 0.201
2001 348.6 0.197
2002 347.1 0.192
2003 345.4 0.187
2004 343.6 0.182
2005 341.7 0.176
2006 339.7 0.169
2007 337.5 0.162
2008 335.1 0.154
2009 332.4 0.146
2010 329.4 0.137
2011 326.0 0.128
2012 322.0 0.117
2013 317.1 0.106
2014 311.0 0.093
2015 302.8 0.079
2016 290.9 0.064
2017 270.9 0.047
2018 230.0 0.032
2019 161.2 0.031
2020 115.6 0.044
2021 92.5 0.059
2022 78.7 0.073
2023 69.3 0.087
2024 62.3 0.099
2025 56.7 0.110
2026 52.1 0.120
2027 48.3 0.130
2028 44.9 0.138
2029 42.0 0.147
2030 39.3 0.154
2031 36.9 0.162
2032 34.7 0.168
2033 32.6 0.175
2034 30.7 0.180
2035 28.9 0.186
2036 27.2 0.191
2037 25.6 0.196
2038 24.1 0.200
2039 22.6 0.204
2040 21.2 0.208
2041 19.8 0.211
2042 18.5 0.214
2043 17.2 0.217
2044 15.9 0.219
2045 14.7 0.221
2046 13.5 0.223
2047 12.3 0.225
2048 11.1 0.226
2049 9.9 0.227
2050 8.7 0.227


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds14056-3916b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic