00203-3246 B  1025

 
 
00H 20M 18.56S -32 46' 09.5" P.A. 1.4 SEP 0.61 MAG 8.83,10.64 SP G6V DIST. 53.3 PC (173.86 L.Y.)
 
 
Coord 2000
00203-3246
Discov num
B  1025
Comp
Coord arcsec 2000
00 20 18.56 -32 46 09.5
Date first
1928
Date last
2010
Obs
8
Pa first
163
Pa last
186
P.A. Now (θ)
1.4°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.61"
Mag pri
8.83
Mag sec
10.64
delta mag (ΔM)
1.81
Spectral class
G6V (yellow)
Pri motion ra
+260
Sec motion ra
Pri motion dec
-087
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sculptor
SAO
192468
HIP
1625
Tycho2
6993-00130-1
HD
1620
CD
CD-33 95
CP
CP-33 33
Distance
53.3
Distance ly
173.86
last precise pa
186.1
last precise sep
0.591
 
 
ORBITAL ELEMENTS
 
 
Period (P)126.11y Periastron (T)1920.97y Semi-major axis (a)0.609a
Eccentricity (e)0.544 Inclination (i)109.1° Longitude of periastron (ω)283.5°
Node (Ω)167.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.516 16.7
2001 0.524 15.6
2002 0.532 14.5
2003 0.540 13.5
2004 0.547 12.6
2005 0.555 11.6
2006 0.561 10.7
2007 0.568 9.8
2008 0.574 8.9
2009 0.580 8.0
2010 0.585 7.1
2011 0.590 6.3
2012 0.594 5.5
2013 0.598 4.6
2014 0.601 3.8
2015 0.604 3.0
2016 0.606 2.2
2017 0.607 1.4
2018 0.608 0.7
2019 0.608 359.9
2020 0.607 359.1
2021 0.605 358.3
2022 0.603 357.5
2023 0.599 356.7
2024 0.594 355.9
2025 0.589 355.0
2026 0.582 354.2
2027 0.574 353.3
2028 0.564 352.4
2029 0.553 351.5
2030 0.540 350.5

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