19311+5835 MCA 56 (HD 184467)

 
 
19h 31m 07.96s +58° 35' 09.6" P.A. 303.00 sep 0.1 mag 7.02,8.40 Sp K1V dist. 16.96 pc (55.32 l.y.)
 
 
Coord 2000 19311+5835 Discov num MCA  56 Comp Coord arcsec 2000 19 31 07.96 +58 35 09.6
Date first 1980 Date last 2020 Obs 59
Pa first 254 Pa last 303.1 P.A. Now (θ) 303.1°
Sep first 0.1 Sep last 0.072 Sep. Now (ρ) 0.072"
Mag pri 7.02 Mag sec 8.40 delta mag (ΔM) 1.38 Spectral class K1V (yellow-orange)
Pri motion ra -508 Sec motion ra
Pri motion dec -397 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 184467 Constellation Draco SAO 31745 HIP 95995
Tycho2 3933-00756-1 HD 184467 GC 26996 GL Gl 762.1
BD BD+58 1929 Distance 16.96 Distance ly 55.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)494.307d± 0.012 Periastron (T)56549.505d (2013.703y)± 0.043 Semi-major axis (a)0.08103a
Eccentricity (e)0.38933± 0.00029 Inclination (i)146.15°± 0.46 Longitude of periastron (ω)180.325°± 0.041
Node (Ω)245.72°± 0.13 Notesn ReferenceKie2018
Equinox2000 Last observation2009 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 153.0 0.056
2001-01-01 228.6 0.106
2002-01-01 267.9 0.102
2003-01-01 358.6 0.052
2004-01-01 174.9 0.065
2005-01-01 235.4 0.110
2006-01-01 276.1 0.095
2007-01-01 30.5 0.049
2008-01-01 191.3 0.075
2009-01-01 241.9 0.112
2010-01-01 285.8 0.087
2011-01-01 63.4 0.049
2012-01-01 203.7 0.085
2013-01-01 248.2 0.112
2014-01-01 297.8 0.077
2015-01-01 96.2 0.049
2016-01-01 213.7 0.094
2017-01-01 254.7 0.111
2018-01-01 313.4 0.067
2019-01-01 128.3 0.051
2020-01-01 222.0 0.101
2021-01-01 261.4 0.107
2022-01-01 334.6 0.057
2023-01-01 156.0 0.057
2024-01-01 229.4 0.107
2025-01-01 268.8 0.102
2026-01-01 2.3 0.051
2027-01-01 177.2 0.066
2028-01-01 236.2 0.111
2029-01-01 277.1 0.094
2030-01-01 34.5 0.049


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



 
 


wds19311%2B5835d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic