10120-0612 HO   44

 
 
10H 12M 01.24S -06 12' 10.3" P.A. 202.4 SEP 0.68 MAG 8.53,8.93 SP F2 DIST. 85.11 PC (277.63 L.Y.)
 
 
Coord 2000
10120-0612
Discov num
HO   44
Comp
Coord arcsec 2000
10 12 01.24 -06 12 10.3
Date first
1884
Date last
2004
Obs
34
Pa first
191
Pa last
209
P.A. Now (θ)
202.4°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.68"
Mag pri
8.53
Mag sec
8.93
delta mag (ΔM)
0.4
Spectral class
F2 (yellow-white)
Pri motion ra
-056
Sec motion ra
-056
Pri motion dec
+022
Sec motion dec
+022
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sextans
HIP
49961
Tycho2
4910-00443-1
HD
88478
ADS
7675
BD
BD-05 3011
Distance
85.11
Distance ly
277.63
last precise pa
208.7
last precise sep
0.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)256.04y Periastron (T)1942.68y Semi-major axis (a)0.433a
Eccentricity (e)0.984 Inclination (i)143.6° Longitude of periastron (ω)52.7°
Node (Ω)65.2° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.615 203.9
2001 0.620 203.8
2002 0.624 203.7
2003 0.629 203.6
2004 0.633 203.5
2005 0.637 203.4
2006 0.641 203.4
2007 0.645 203.3
2008 0.649 203.2
2009 0.653 203.1
2010 0.657 203.0
2011 0.660 202.9
2012 0.664 202.8
2013 0.667 202.7
2014 0.671 202.7
2015 0.674 202.6
2016 0.678 202.5
2017 0.681 202.4
2018 0.684 202.3
2019 0.687 202.2
2020 0.690 202.2
2021 0.693 202.1
2022 0.696 202.0
2023 0.699 201.9
2024 0.701 201.9
2025 0.704 201.8
2026 0.706 201.7
2027 0.709 201.6
2028 0.711 201.5
2029 0.714 201.5
2030 0.716 201.4

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