18194+2427 POU 3386

 
 
18h 19m 25.03s +24° 26' 59.8" P.A. 39.00 sep 20.2 mag 10.82,14.20 Sp A5
 
 
Coord 2000 18194+2427 Discov num POU3386 Comp Coord arcsec 2000 18 19 25.03 +24 26 59.8
Date first 1904 Date last 2015 Obs 12
Pa first 45 Pa last 38.9 P.A. Now (θ) 38.9°
Sep first 17.8 Sep last 20.151 Sep. Now (ρ) 20.151"
Mag pri 10.82 Mag sec 14.20 delta mag (ΔM) 3.38 Spectral class A5 (white)
Pri motion ra -001 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2097-01130-1 Gaia DR2 4578644323924874752 HD 335971
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier18192+2427
coord_arcsec_2000181910.67+242645.8
Period (P)485.45d Periastron (T)39084.1d (1965.884y) Semi-major axis (a)1.3m± 0.1
Eccentricity (e)0.36 Inclination (i)115.8°± 11.6 Longitude of periastron (ω)250.1°
Node (Ω)95.3°± 10.3 Notesn ReferenceRen2013
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 338.5 0.001
2001-01-01 63.0 0.001
2002-01-01 97.8 0.001
2003-01-01 269.1 0.001
2004-01-01 334.7 0.001
2005-01-01 61.2 0.001
2006-01-01 96.3 0.001
2007-01-01 266.2 0.001
2008-01-01 331.0 0.001
2009-01-01 59.3 0.001
2010-01-01 94.9 0.001
2011-01-01 262.9 0.001
2012-01-01 327.4 0.001
2013-01-01 57.4 0.001
2014-01-01 93.5 0.001
2015-01-01 259.2 0.001
2016-01-01 324.0 0.001
2017-01-01 55.3 0.001
2018-01-01 92.2 0.001
2019-01-01 254.8 0.001
2020-01-01 320.8 0.001
2021-01-01 53.2 0.001
2022-01-01 90.9 0.001
2023-01-01 249.4 0.001
2024-01-01 317.7 0.001
2025-01-01 50.9 0.001
2026-01-01 89.7 0.001
2027-01-01 242.7 0.001
2028-01-01 314.7 0.001
2029-01-01 48.5 0.001
2030-01-01 88.4 0.001


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



 
 


wds18192%2B2427f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic