18282-5230 B 1362 (HD 169594)

 
 
18h 28m 11.71s -52° 29' 59.7" P.A. 107.00 sep 0.0 mag 8.10,8.20 Sp A2 dist. 184.5 pc (601.84 l.y.)
 
 
Coord 2000 18282-5230 Discov num B  1362 Comp Coord arcsec 2000 18 28 11.71 -52 29 59.7
Date first 1930 Date last 2022 Obs 15
Pa first 233 Pa last 107 P.A. Now (θ) 94.4°
Sep first 0.3 Sep last 0.045 Sep. Now (ρ) 0.056"
Mag pri 8.10 Mag sec 8.20 delta mag (ΔM) 0.1 Spectral class A2 (white)
Pri motion ra -007 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 169594 Constellation Telescopium SAO 245498 HIP 90519
Tycho2 8745-00279-1 Gaia DR2 6653716060263074944 HD 169594 GC 25167
CP CP-5211115 Distance 184.5 Distance ly 601.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)153.32y± 12.33 Periastron (T)2004.31y± 0.99 Semi-major axis (a)0.235a± 0.014
Eccentricity (e)0.556± 0.046 Inclination (i)79.7°± 1.2 Longitude of periastron (ω)333.2°± 9.6
Node (Ω)56.4°± 1.2 Notes ReferenceTok2023a
Equinox2000 Last observation2022 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 33.6 0.048
2001 40.2 0.060
2002 44.7 0.071
2003 48.0 0.082
2004 50.5 0.091
2005 52.7 0.099
2006 54.6 0.104
2007 56.3 0.108
2008 57.9 0.110
2009 59.4 0.111
2010 61.0 0.110
2011 62.6 0.108
2012 64.3 0.104
2013 66.2 0.100
2014 68.2 0.095
2015 70.4 0.090
2016 73.0 0.084
2017 76.0 0.078
2018 79.5 0.071
2019 83.7 0.065
2020 88.8 0.058
2021 95.0 0.053
2022 102.8 0.047
2023 112.4 0.043
2024 123.7 0.040
2025 136.4 0.039
2026 149.3 0.039
2027 161.3 0.041
2028 171.7 0.045
2029 180.2 0.050
2030 187.1 0.056
2031 192.7 0.062
2032 197.1 0.069
2033 200.8 0.076
2034 203.9 0.083
2035 206.4 0.090
2036 208.6 0.098
2037 210.5 0.105
2038 212.1 0.112
2039 213.6 0.120
2040 214.8 0.127
2041 216.0 0.134
2042 217.0 0.141
2043 217.9 0.148
2044 218.7 0.155
2045 219.5 0.162
2046 220.2 0.168
2047 220.9 0.175
2048 221.5 0.182
2049 222.0 0.188
2050 222.6 0.194


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds18282-5230a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic