18063+3824 HU 1186

 
 
18h 06m 16.32s +38° 24' 01.4" P.A. 134.00 sep 0.2 mag 9.12,9.34 Sp F8 dist. 87.18 pc (284.38 l.y.)
 
 
Coord 2000 18063+3824 Discov num HU 1186 Comp Coord arcsec 2000 18 06 16.32 +38 24 01.4
Date first 1905 Date last 2016 Obs 78
Pa first 130 Pa last 134.4 P.A. Now (θ) 266.5°
Sep first 0.2 Sep last 0.176 Sep. Now (ρ) 0.144"
Mag pri 9.12 Mag sec 9.34 delta mag (ΔM) 0.22 Spectral class F8 (yellow-white)
Pri motion ra -017 Sec motion ra -017
Pri motion dec -010 Sec motion dec -010
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 66634 HIP 88685 Tycho2 3102-02169-1
Gaia DR2 4610119390455078656 ADS 11071 BD BD+38 3077 Distance 87.18
Distance ly 284.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)104.3y Periastron (T)1925.94y Semi-major axis (a)0.32a
Eccentricity (e)0.401 Inclination (i)76.3° Longitude of periastron (ω)355.8°
Node (Ω)281.2° Notesn ReferenceUSN2006b
Equinox2000 Last observation2000 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 110.4 0.326
2001 111.2 0.314
2002 112.0 0.301
2003 112.9 0.288
2004 113.9 0.274
2005 114.9 0.259
2006 116.2 0.244
2007 117.5 0.228
2008 119.1 0.212
2009 121.0 0.195
2010 123.2 0.178
2011 125.9 0.161
2012 129.2 0.143
2013 133.5 0.126
2014 139.1 0.109
2015 146.7 0.093
2016 157.4 0.078
2017 172.0 0.067
2018 190.8 0.062
2019 210.8 0.063
2020 228.0 0.071
2021 241.0 0.084
2022 250.4 0.098
2023 257.2 0.114
2024 262.4 0.129
2025 266.5 0.144
2026 269.9 0.158
2027 272.7 0.170
2028 275.3 0.179
2029 277.5 0.186
2030 279.7 0.191
2031 281.8 0.192
2032 283.9 0.190
2033 286.1 0.186
2034 288.4 0.178
2035 290.9 0.169
2036 293.8 0.158
2037 297.1 0.145
2038 301.2 0.131
2039 306.2 0.116
2040 312.7 0.102
2041 321.3 0.088
2042 332.8 0.076
2043 347.7 0.068
2044 5.2 0.065
2045 22.7 0.068
2046 37.6 0.076
2047 49.1 0.088
2048 57.6 0.102
2049 64.0 0.118
2050 68.9 0.134


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds18063%2B3824a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic