00153-4230 RST 3344 (HD 1118)

 
 
00h 15m 17.65s -42° 29' 47.5" P.A. 351.00 sep 0.1 mag 10.50,10.50 Sp F6V dist. 361.01 pc (1177.61 l.y.)
 
 
Coord 2000 00153-4230 Discov num RST3344 Comp Coord arcsec 2000 00 15 17.65 -42 29 47.5
Date first 1936 Date last 2022 Obs 6
Pa first 159 Pa last 351.2 P.A. Now (θ) 351.2°
Sep first 0.2 Sep last 0.089 Sep. Now (ρ) 0.089"
Mag pri 10.50 Mag sec 10.50 delta mag (ΔM) 0 Spectral class F6V (yellow-white)
Pri motion ra +046 Sec motion ra +046
Pri motion dec -002 Sec motion dec -002
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1118 Constellation Phoenix HIP 1232 Tycho2 7527-00099-1
Gaia DR2 4995115650365505664 HD 1118 CD CD-43 45 CP CP-43 15
Distance 361.01 Distance ly 1177.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)136.9y Periastron (T)2029.05y Semi-major axis (a)0.153a
Eccentricity (e)0.482 Inclination (i)125° Longitude of periastron (ω)214.7°
Node (Ω)161.5° Notes ReferenceTok2023a
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 80.4 0.098
2001 77.1 0.096
2002 73.7 0.094
2003 70.1 0.092
2004 66.4 0.091
2005 62.6 0.089
2006 58.6 0.088
2007 54.6 0.087
2008 50.5 0.086
2009 46.3 0.086
2010 42.1 0.085
2011 37.8 0.085
2012 33.6 0.086
2013 29.4 0.086
2014 25.2 0.086
2015 21.1 0.087
2016 17.0 0.087
2017 13.0 0.088
2018 9.0 0.088
2019 5.1 0.089
2020 1.1 0.089
2021 357.2 0.089
2022 353.3 0.088
2023 349.2 0.087
2024 345.1 0.086
2025 340.8 0.084
2026 336.3 0.081
2027 331.4 0.078
2028 326.1 0.074
2029 320.2 0.070
2030 313.5 0.066
2031 305.9 0.062
2032 297.2 0.058
2033 287.4 0.055
2034 276.6 0.053
2035 265.2 0.052
2036 253.8 0.053
2037 243.0 0.055
2038 233.2 0.058
2039 224.8 0.063
2040 217.5 0.068
2041 211.4 0.074
2042 206.1 0.080
2043 201.6 0.086
2044 197.7 0.092
2045 194.3 0.099
2046 191.3 0.105
2047 188.7 0.111
2048 186.3 0.117
2049 184.1 0.122
2050 182.1 0.128


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00153-4230a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic