22402+3732 HO 188 (HD 214807)

 
 
22h 40m 13.71s +37° 31' 40.5" P.A. 231.00 sep 0.4 mag 8.68,9.04 Sp F8 dist. 124.69 pc (406.74 l.y.)
 
 
Coord 2000 22402+3732 Discov num HO  188 Comp Coord arcsec 2000 22 40 13.71 +37 31 40.5
Date first 1885 Date last 2016 Obs 90
Pa first 43 Pa last 230.6 P.A. Now (θ) 244.6°
Sep first 0.4 Sep last 0.361 Sep. Now (ρ) 0.223"
Mag pri 8.68 Mag sec 9.04 delta mag (ΔM) 0.36 Spectral class F8 (yellow-white)
Pri motion ra +037 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 214807 Constellation Lacerta SAO 72603 HIP 111919
Tycho2 3214-00316-1 HD 214807 ADS 16164 BD BD+36 4905
Distance 124.69 Distance ly 406.74
 
 
ORBITAL ELEMENTS
 
 
Period (P)193.15y Periastron (T)2024.44y Semi-major axis (a)0.43a
Eccentricity (e)0.219 Inclination (i)69.4° Longitude of periastron (ω)57.4°
Node (Ω)219.5° Notesn ReferenceUSN2006b
Equinox2000 Last observation2002 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 216.0 0.373
2001 216.9 0.372
2002 217.8 0.370
2003 218.6 0.369
2004 219.5 0.366
2005 220.4 0.363
2006 221.3 0.360
2007 222.2 0.356
2008 223.2 0.351
2009 224.1 0.346
2010 225.1 0.340
2011 226.2 0.334
2012 227.3 0.327
2013 228.4 0.320
2014 229.6 0.312
2015 230.8 0.304
2016 232.1 0.295
2017 233.5 0.286
2018 235.0 0.276
2019 236.7 0.266
2020 238.4 0.256
2021 240.3 0.245
2022 242.3 0.234
2023 244.6 0.223
2024 247.1 0.211
2025 249.9 0.200
2026 253.0 0.189
2027 256.6 0.178
2028 260.5 0.167
2029 265.0 0.157
2030 270.1 0.148


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



 
 


wds22402%2B3732a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic