16263-0943 RST3945

 
 
16H 26M 19.21S -09 43' 25.4" P.A. 7.7 SEP 0.23 MAG 9.70,9.70 SP G0
 
 
Coord 2000
16263-0943
Discov num
RST3945
Comp
Coord arcsec 2000
16 26 19.21 -09 43 25.4
Date first
1938
Date last
2015
Obs
13
Pa first
191
Pa last
2
P.A. Now (θ)
7.7°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.23"
Mag pri
9.70
Mag sec
9.70
delta mag (ΔM)
0
Spectral class
G0 (yellow)
Pri motion ra
+064
Sec motion ra
Pri motion dec
-057
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
Tycho2
5630-00023-1
HD
148131
last precise pa
1.9
last precise sep
0.265
 
 
ORBITAL ELEMENTS
 
 
Period (P)127y Periastron (T)1919y Semi-major axis (a)0.305a
Eccentricity (e)0.22 Inclination (i)51° Longitude of periastron (ω)47°
Node (Ω)52.5° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.228 307.7
2001 0.225 310.8
2002 0.223 314.0
2003 0.220 317.3
2004 0.219 320.7
2005 0.217 324.1
2006 0.216 327.6
2007 0.215 331.0
2008 0.215 334.5
2009 0.215 338.0
2010 0.216 341.5
2011 0.217 345.0
2012 0.218 348.4
2013 0.220 351.8
2014 0.222 355.1
2015 0.224 358.4
2016 0.226 1.5
2017 0.229 4.7
2018 0.232 7.7
2019 0.235 10.7
2020 0.238 13.6
2021 0.240 16.4
2022 0.243 19.2
2023 0.246 21.9
2024 0.248 24.6
2025 0.251 27.1
2026 0.253 29.7
2027 0.255 32.2
2028 0.256 34.7
2029 0.257 37.2
2030 0.258 39.6

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