10163-2859 I   851

 
 
10H 16M 18.88S -28 58' 42.5" P.A. 233 SEP 0.38 MAG 9.62,7.96 SP F3V DIST. 147.06 PC (479.71 L.Y.)
 
 
Coord 2000
10163-2859
Discov num
I   851
Comp
Coord arcsec 2000
10 16 18.88 -28 58 42.5
Date first
1910
Date last
2013
Obs
38
Pa first
222
Pa last
236
P.A. Now (θ)
233°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.38"
Mag pri
9.62
Mag sec
7.96
delta mag (ΔM)
1.66
Spectral class
F3V (yellow-white)
Pri motion ra
-012
Sec motion ra
-012
Pri motion dec
-017
Sec motion dec
-017
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Antlia
SAO
178601
HIP
50309
Tycho2
6630-01496-1
HD
89117
ADS
7706
CD
CD-28 8041
CP
CP-28 4058
Distance
147.06
Distance ly
479.71
last precise pa
235.6
last precise sep
0.384
 
 
ORBITAL ELEMENTS
 
 
Period (P)117y Periastron (T)1953.9y Semi-major axis (a)0.216a
Eccentricity (e)0.782 Inclination (i)136° Longitude of periastron (ω)11°
Node (Ω)63° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.373 240.6
2001 0.374 240.1
2002 0.376 239.7
2003 0.377 239.2
2004 0.379 238.8
2005 0.380 238.3
2006 0.380 237.9
2007 0.381 237.4
2008 0.381 237.0
2009 0.382 236.5
2010 0.382 236.1
2011 0.382 235.7
2012 0.382 235.2
2013 0.381 234.8
2014 0.381 234.3
2015 0.380 233.9
2016 0.379 233.4
2017 0.378 233.0
2018 0.377 232.5
2019 0.375 232.1
2020 0.374 231.6
2021 0.372 231.2
2022 0.370 230.7
2023 0.368 230.2
2024 0.366 229.7
2025 0.363 229.3
2026 0.361 228.8
2027 0.358 228.3
2028 0.355 227.8
2029 0.352 227.2
2030 0.348 226.7

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