22552-0459 BU 178 (NSV14360)

 
 
22h 55m 10.96s -04° 59' 16.4" P.A. 324.00 sep 0.5 mag 6.03,7.75 Sp G4:III dist. 83.4 pc (272.05 l.y.)
 
 
Coord 2000 22552-0459 Discov num BU  178 Comp Coord arcsec 2000 22 55 10.96 -04 59 16.4
Date first 1873 Date last 2021 Obs 78
Pa first 310 Pa last 324.1 P.A. Now (θ) 324.3°
Sep first 0.6 Sep last 0.538 Sep. Now (ρ) 0.52"
Mag pri 6.03 Mag sec 7.75 delta mag (ΔM) 1.72 Spectral class G4:III (yellow)
Pri motion ra +029 Sec motion ra +029
Pri motion dec -009 Sec motion dec -009
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV14360 Constellation Aquarius SAO 146388 HIP 113184
Tycho2 5238-01509-1 Gaia DR2 2636041095658206336 HD 216718 HR 8716
GC 31960 ADS 16365 BD BD-05 5885 Distance 83.4
Distance ly 272.05
 
 
ORBITAL ELEMENTS
 
 
Period (P)106y Periastron (T)1944.21y Semi-major axis (a)0.394a
Eccentricity (e)0.743 Inclination (i)82.2° Longitude of periastron (ω)2.2°
Node (Ω)140.8° Notesn ReferenceTok2017c
Equinox2000 Last observation2017 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 321.4 0.684
2001 321.5 0.682
2002 321.6 0.679
2003 321.7 0.677
2004 321.8 0.673
2005 321.9 0.670
2006 322.0 0.666
2007 322.1 0.661
2008 322.2 0.656
2009 322.3 0.651
2010 322.5 0.645
2011 322.6 0.638
2012 322.7 0.631
2013 322.8 0.624
2014 322.9 0.616
2015 323.1 0.607
2016 323.2 0.598
2017 323.3 0.589
2018 323.5 0.579
2019 323.6 0.568
2020 323.8 0.557
2021 323.9 0.545
2022 324.1 0.533
2023 324.3 0.520
2024 324.5 0.507
2025 324.6 0.492
2026 324.8 0.478
2027 325.1 0.462
2028 325.3 0.446
2029 325.5 0.430
2030 325.8 0.412


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



 
 


wds22552-0459e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic