19358+2316 A   163

 
 
19h 35m 45.49s +23 16' 14.2" P.A. 337.6 sep 0.15 mag 10.02,9.95 Sp G5 dist. 173.91 pc (567.29 l.y.)
 
 
Coord 2000
19358+2316
Discov num
A   163
Comp
Coord arcsec 2000
19 35 45.49 +23 16 14.2
Date first
1900
Date last
2009
Obs
30
Pa first
233
Pa last
21
P.A. Now (θ)
337.6°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.15"
Mag pri
10.02
Mag sec
9.95
delta mag (ΔM)
0.07
Spectral class
G5 (yellow)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.8
Precise sep
0.23
Cdsa2 id
A 163
Constellation
Vulpecula
HIP
96380
HD
344620
ADS
12648
Ra deg
19.595969444444442
De deg
23.27061111111111
Distance
173.91
Distance ly
567.29
last precise pa
20.8
last precise sep
0.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)163.1y Periastron (T)1986.3y Semi-major axis (a)0.255a
Eccentricity (e)0.23 Inclination (i)122.4° Longitude of periastron (ω)333.3°
Node (Ω)33° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation1978
label rho theta
2000 0.199 21.5
2001 0.198 19.6
2002 0.196 17.6
2003 0.194 15.7
2004 0.192 13.7
2005 0.190 11.6
2006 0.187 9.5
2007 0.184 7.3
2008 0.181 5.1
2009 0.178 2.8
2010 0.175 0.4
2011 0.172 357.9
2012 0.168 355.3
2013 0.165 352.6
2014 0.162 349.8
2015 0.159 346.9
2016 0.156 343.9
2017 0.154 340.8
2018 0.151 337.6
2019 0.149 334.2
2020 0.147 330.8
2021 0.146 327.3
2022 0.144 323.8
2023 0.143 320.2
2024 0.143 316.5
2025 0.143 312.8
2026 0.143 309.2
2027 0.144 305.5
2028 0.145 301.9
2029 0.146 298.4
2030 0.148 294.9

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

grafico orbita





wds19358%2B2316a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19358+2316 A 163 1995 27 45 0.2 10.02 9.95 G5 NO 193545.49+231614.2
19358+2316 A 163 2009 28 21 0.2 10.02 9.95 G5 NO 193545.49+231614.2

If you need more information about this double, apply for a data request form to the WDS.