19466+0703 TOK 368 (HD 186843)

 
 
19h 46m 36.10s +07 03' 20.4" P.A. 295.00 sep 0.1 mag 8.20,10.00 Sp G5 dist. 65.88 pc (214.9 l.y.)
 
 
Coord 2000 19466+0703 Discov num TOK 368 Comp Coord arcsec 2000 19 46 36.10 +07 03 20.4
Date first 2012 Date last 2020 Obs 9
Pa first 194 Pa last 294.9 P.A. Now (θ) 294.9°
Sep first 0.1 Sep last 0.112 Sep. Now (ρ) 0.112"
Mag pri 8.20 Mag sec 10.00 delta mag (ΔM) 1.8 Spectral class G5 (yellow)
Pri motion ra +042 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 186843 Constellation Aquila SAO 125050 HIP 97312
Tycho2 0492-02023-1 Gaia DR2 4297698074882634112 HD 186843 BD BD+06 4300
Distance 65.88 Distance ly 214.9
 
 
ORBITAL ELEMENTS
 
 
Period (P)30y Periastron (T)2013.34y Semi-major axis (a)0.194a
Eccentricity (e)0.223 Inclination (i)59.8° Longitude of periastron (ω)140.3°
Node (Ω)54.1° Notesn ReferenceTok2021c
Equinox2000 Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 39.9 0.217
2001 44.5 0.224
2002 48.8 0.226
2003 53.2 0.224
2004 57.8 0.216
2005 62.8 0.203
2006 68.6 0.185
2007 75.9 0.163
2008 85.9 0.136
2009 100.8 0.109
2010 124.5 0.087
2011 156.9 0.081
2012 186.5 0.095
2013 206.4 0.118
2014 219.8 0.139
2015 230.0 0.154
2016 238.9 0.159
2017 247.8 0.156
2018 257.4 0.147
2019 268.6 0.134
2020 282.3 0.121
2021 299.0 0.111
2022 317.9 0.107
2023 336.5 0.112
2024 352.4 0.124
2025 5.1 0.141
2026 15.1 0.159
2027 23.0 0.177
2028 29.5 0.193
2029 35.0 0.207
2030 39.9 0.217


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds19466%2B0703a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic