16235+3321 VBS  26AB

 
 
16H 23M 32.23S +33 21' 27.8" P.A. 326 SEP 0.1 MAG 9.60,9.70 SP G0
 
 
Coord 2000
16235+3321
Discov num
VBS  26
Comp
AB
Coord arcsec 2000
16 23 32.23 +33 21 27.8
Date first
1946
Date last
2006
Obs
42
Pa first
128
Pa last
17
P.A. Now (θ)
326°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.60
Mag sec
9.70
delta mag (ΔM)
0.1
Spectral class
G0 (yellow)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
16235+3321 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 65272 16235+3321 VBS 26 AB 1946 2006 42 326 0.1 9.60 9.70 0.10 Y <===
Show 65272 16235+3321 BU 951 AB,C 1879 2014 71 32 1.0 9.29 10.10 0.81
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Borealis
SAO
65272
Tycho2
2583-01376-1
last precise pa
17.4
last precise sep
0.146
 
 
ORBITAL ELEMENTS
 
 
Period (P)195y Periastron (T)2017.1y Semi-major axis (a)0.24a
Eccentricity (e)0.47 Inclination (i)134.3° Longitude of periastron (ω)61.4°
Node (Ω)24.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.168 37.1
2001 0.165 34.7
2002 0.163 32.3
2003 0.160 29.8
2004 0.156 27.1
2005 0.153 24.4
2006 0.149 21.5
2007 0.145 18.5
2008 0.141 15.3
2009 0.137 11.9
2010 0.132 8.3
2011 0.127 4.3
2012 0.122 0.1
2013 0.117 355.5
2014 0.112 350.6
2015 0.108 345.1
2016 0.103 339.2
2017 0.099 332.8
2018 0.096 326.0
2019 0.094 318.7
2020 0.092 311.0
2021 0.092 303.2
2022 0.092 295.5
2023 0.094 287.9
2024 0.097 280.7
2025 0.100 273.9
2026 0.105 267.7
2027 0.110 262.0
2028 0.115 256.8
2029 0.121 252.1
2030 0.127 247.8

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic