07303-5657 FIN 105 (HD 60231)

 
 
07h 30m 15.00s -56° 57' 28.6" P.A. 62.00 sep 0.2 mag 9.55,9.62 Sp F6V+F6V
 
 
Coord 2000 07303-5657 Discov num FIN 105 Comp Coord arcsec 2000 07 30 15.00 -56 57 28.6
Date first 1929 Date last 2022 Obs 11
Pa first 149 Pa last 62.4 P.A. Now (θ) 58.3°
Sep first 0.3 Sep last 0.214 Sep. Now (ρ) 0.212"
Mag pri 9.55 Mag sec 9.62 delta mag (ΔM) 0.07 Spectral class F6V+F6V (yellow-white/yellow-white)
Pri motion ra +031 Sec motion ra +031
Pri motion dec -018 Sec motion dec -018
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 60231 Constellation Carina SAO 235249 Tycho2 8559-00897-1
HD 60231
 
 
ORBITAL ELEMENTS
 
 
Period (P)200.94y± 2.5 Periastron (T)2040.22y± 1.5 Semi-major axis (a)0.319a± 0.02
Eccentricity (e)0.487± 0.065 Inclination (i)129.5°± 3 Longitude of periastron (ω)111.3°± 5
Node (Ω)81.1°± 5 Notes ReferenceDoc2022d
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 91.4 0.337
2001 90.5 0.334
2002 89.5 0.331
2003 88.6 0.327
2004 87.6 0.323
2005 86.7 0.320
2006 85.7 0.315
2007 84.6 0.311
2008 83.6 0.307
2009 82.5 0.302
2010 81.3 0.297
2011 80.2 0.291
2012 79.0 0.286
2013 77.7 0.280
2014 76.4 0.274
2015 75.0 0.268
2016 73.5 0.261
2017 72.0 0.255
2018 70.4 0.247
2019 68.7 0.240
2020 66.9 0.232
2021 65.0 0.225
2022 62.9 0.216
2023 60.6 0.208
2024 58.2 0.199
2025 55.5 0.191
2026 52.6 0.182
2027 49.4 0.172
2028 45.8 0.163
2029 41.7 0.154
2030 37.2 0.145
2031 32.1 0.137
2032 26.4 0.129
2033 19.9 0.122
2034 12.7 0.116
2035 4.8 0.111
2036 356.3 0.108
2037 347.4 0.106
2038 338.4 0.107
2039 329.6 0.109
2040 321.3 0.113
2041 313.7 0.118
2042 306.8 0.124
2043 300.6 0.131
2044 295.0 0.139
2045 290.0 0.147
2046 285.6 0.154
2047 281.5 0.162
2048 277.8 0.170
2049 274.5 0.177
2050 271.4 0.184


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds07303-5657c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic