22385+0218 HO 479 (HD 214494)

 
 
22h 38m 29.25s +02° 17' 56.2" P.A. 9.00 sep 0.4 mag 8.50,9.75 Sp G0 dist. 114.81 pc (374.51 l.y.)
 
 
Coord 2000 22385+0218 Discov num HO  479 Comp Coord arcsec 2000 22 38 29.25 +02 17 56.2
Date first 1893 Date last 2021 Obs 56
Pa first 232 Pa last 8.5 P.A. Now (θ) 8.5°
Sep first 0.6 Sep last 0.358 Sep. Now (ρ) 0.358"
Mag pri 8.50 Mag sec 9.75 delta mag (ΔM) 1.25 Spectral class G0 (yellow)
Pri motion ra +051 Sec motion ra +051
Pri motion dec -029 Sec motion dec -029
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 214494 Constellation Aquarius SAO 127651 HIP 111775
Tycho2 0567-00136-1 Gaia DR2 2702896895889926912 HD 214494 ADS 16131
BD BD+01 4635 Distance 114.81 Distance ly 374.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)338.37y Periastron (T)1999.71y Semi-major axis (a)0.952a
Eccentricity (e)0.456 Inclination (i)121.7° Longitude of periastron (ω)35.2°
Node (Ω)109.2° Notesn ReferenceHrt2014b
Equinox2000 Last observation2009 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 88.2 0.448
2001 85.9 0.437
2002 83.5 0.425
2003 80.9 0.413
2004 78.2 0.401
2005 75.3 0.390
2006 72.2 0.378
2007 69.0 0.367
2008 65.5 0.357
2009 61.9 0.347
2010 58.0 0.338
2011 54.0 0.330
2012 49.8 0.323
2013 45.3 0.317
2014 40.8 0.313
2015 36.1 0.310
2016 31.4 0.309
2017 26.7 0.310
2018 22.0 0.312
2019 17.5 0.315
2020 13.0 0.321
2021 8.7 0.327
2022 4.6 0.335
2023 0.7 0.345
2024 357.0 0.355
2025 353.5 0.366
2026 350.3 0.379
2027 347.2 0.392
2028 344.4 0.405
2029 341.7 0.419
2030 339.2 0.434


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



 
 


wds22385%2B0218b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic