10043-2823 I   292

 
 
10H 04M 17.80S -28 22' 43.6" P.A. 305.4 SEP 0.89 MAG 8.43,7.77 SP F6V DIST. 81.7 PC (266.51 L.Y.)
 
 
Coord 2000
10043-2823
Discov num
I   292
Comp
Coord arcsec 2000
10 04 17.80 -28 22 43.6
Date first
1883
Date last
2014
Obs
69
Pa first
217
Pa last
303
P.A. Now (θ)
305.4°
Sep first
1.2
Sep last
0.8
Sep. Now (ρ)
0.89"
Mag pri
8.43
Mag sec
7.77
delta mag (ΔM)
0.66
Spectral class
F6V (yellow-white)
Pri motion ra
-041
Sec motion ra
-041
Pri motion dec
-023
Sec motion dec
-023
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Antlia
SAO
178366
HIP
49336
Tycho2
6629-00973-1
HD
87416
ADS
7629
CD
CD-27 7171
CP
CP-27 3978
Distance
81.7
Distance ly
266.51
last precise pa
303.2
last precise sep
0.752
 
 
ORBITAL ELEMENTS
 
 
Period (P)823.31y Periastron (T)1971.04y Semi-major axis (a)1.457a
Eccentricity (e)0.832 Inclination (i)138.4° Longitude of periastron (ω)52.1°
Node (Ω)124.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation1997
label rho theta
2000 0.638 316.8
2001 0.655 315.9
2002 0.671 315.0
2003 0.687 314.1
2004 0.703 313.3
2005 0.719 312.6
2006 0.735 311.9
2007 0.750 311.2
2008 0.765 310.5
2009 0.780 309.8
2010 0.795 309.2
2011 0.810 308.6
2012 0.824 308.0
2013 0.838 307.5
2014 0.852 307.0
2015 0.866 306.4
2016 0.880 305.9
2017 0.894 305.4
2018 0.907 305.0
2019 0.920 304.5
2020 0.933 304.1
2021 0.946 303.6
2022 0.959 303.2
2023 0.971 302.8
2024 0.984 302.4
2025 0.996 302.0
2026 1.008 301.6
2027 1.020 301.2
2028 1.032 300.9
2029 1.044 300.5
2030 1.056 300.2

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