10112-3245 HDS1469

 
 
10H 11M 09.93S -32 45' 13.9" P.A. 336.3 SEP 0.07 MAG 8.59,10.63 SP G1V DIST. 86.58 PC (282.42 L.Y.)
 
 
Coord 2000
10112-3245
Discov num
HDS1469
Comp
Coord arcsec 2000
10 11 09.93 -32 45 13.9
Date first
1991
Date last
2015
Obs
4
Pa first
79
Pa last
18
P.A. Now (θ)
336.3°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
8.59
Mag sec
10.63
delta mag (ΔM)
2.04
Spectral class
G1V (yellow)
Pri motion ra
-141
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Antlia
SAO
201136
HIP
49883
Tycho2
7174-00772-1
HD
88429
CD
CD-32 7125
CP
CP-32 2835
Distance
86.58
Distance ly
282.42
last precise pa
17.9
last precise sep
0.058
 
 
ORBITAL ELEMENTS
 
 
Period (P)30.54y± 3.92 Periastron (T)2015.323y± 0.474 Semi-major axis (a)0.1482a± 0.0235
Eccentricity (e)0.636 Inclination (i)134.8°± 15.6 Longitude of periastron (ω)156°± 17.6
Node (Ω)206.9°± 11.2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.232 224.5
2001 0.234 221.9
2002 0.234 219.3
2003 0.233 216.7
2004 0.229 214.1
2005 0.223 211.3
2006 0.215 208.4
2007 0.205 205.2
2008 0.192 201.7
2009 0.177 197.5
2010 0.158 192.5
2011 0.135 185.9
2012 0.109 176.4
2013 0.080 160.3
2014 0.052 125.9
2015 0.048 62.8
2016 0.059 13.2
2017 0.065 336.3
2018 0.076 307.7
2019 0.093 287.6
2020 0.111 273.9
2021 0.129 264.0
2022 0.146 256.5
2023 0.162 250.6
2024 0.177 245.7
2025 0.190 241.5
2026 0.201 237.8
2027 0.211 234.5
2028 0.219 231.4
2029 0.225 228.6
2030 0.230 225.9

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