09495-1033 A  1344

 
 
09H 49M 27.75S -10 33' 07.5" P.A. 276.1 SEP 0.23 MAG 9.90,10.10 SP F8
 
 
Coord 2000
09495-1033
Discov num
A  1344
Comp
Coord arcsec 2000
09 49 27.75 -10 33 07.5
Date first
1906
Date last
2014
Obs
17
Pa first
180
Pa last
279
P.A. Now (θ)
276.1°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.23"
Mag pri
9.90
Mag sec
10.10
delta mag (ΔM)
0.2
Spectral class
F8 (yellow-white)
Pri motion ra
-082
Sec motion ra
Pri motion dec
+041
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sextans
SAO
155514
Tycho2
5478-00748-1
ADS
7527
last precise pa
278.5
last precise sep
0.224
 
 
ORBITAL ELEMENTS
 
 
Period (P)260.75y± 25.54 Periastron (T)1991.89y± 1.16 Semi-major axis (a)0.355a± 0.009
Eccentricity (e)0.781± 0.03 Inclination (i)116.2°± 2.6 Longitude of periastron (ω)90.9°± 1.8
Node (Ω)119.5°± 2.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.142 298.2
2001 0.152 296.0
2002 0.161 294.0
2003 0.169 292.3
2004 0.176 290.6
2005 0.182 289.2
2006 0.189 287.8
2007 0.194 286.5
2008 0.199 285.2
2009 0.204 284.0
2010 0.209 282.9
2011 0.213 281.8
2012 0.217 280.8
2013 0.221 279.8
2014 0.224 278.8
2015 0.227 277.9
2016 0.230 277.0
2017 0.233 276.1
2018 0.236 275.2
2019 0.238 274.4
2020 0.241 273.5
2021 0.243 272.7
2022 0.245 271.9
2023 0.247 271.1
2024 0.249 270.3
2025 0.251 269.6
2026 0.252 268.8
2027 0.254 268.0
2028 0.256 267.3
2029 0.257 266.6
2030 0.258 265.9

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