10161-5954 HU 1597

 
 
10H 16M 03.26S -59 54' 12.4" P.A. 175.7 SEP 0.28 MAG 7.03,7.05 SP A5V DIST. 81.7 PC (266.51 L.Y.)
 
 
Coord 2000
10161-5954
Discov num
HU 1597
Comp
Coord arcsec 2000
10 16 03.26 -59 54 12.4
Date first
1914
Date last
2014
Obs
46
Pa first
116
Pa last
162
P.A. Now (θ)
175.7°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.28"
Mag pri
7.03
Mag sec
7.05
delta mag (ΔM)
0.02
Spectral class
A5V (white)
Pri motion ra
-041
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.4
Precise sep
0.286
Constellation
Carina
SAO
237853
HIP
50287
Tycho2
8612-01079-1
HD
89263
HR
4043
CP
CP-59 2008
Distance
81.7
Distance ly
266.51
last precise pa
162.4
last precise sep
0.286
 
 
ORBITAL ELEMENTS
 
 
Period (P)83.9y± 0.65 Periastron (T)1989.02y± 0.35 Semi-major axis (a)0.365a± 0.003
Eccentricity (e)0.253± 0.006 Inclination (i)48.8°± 0.8 Longitude of periastron (ω)303.7°± 1.4
Node (Ω)93.4°± 1 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.311 104.7
2001 0.312 108.4
2002 0.312 112.2
2003 0.311 115.9
2004 0.309 119.7
2005 0.307 123.6
2006 0.304 127.5
2007 0.301 131.5
2008 0.297 135.5
2009 0.294 139.7
2010 0.291 144.0
2011 0.288 148.3
2012 0.285 152.8
2013 0.283 157.3
2014 0.282 161.9
2015 0.281 166.5
2016 0.281 171.1
2017 0.282 175.7
2018 0.283 180.3
2019 0.286 184.8
2020 0.289 189.2
2021 0.293 193.5
2022 0.298 197.7
2023 0.303 201.7
2024 0.309 205.6
2025 0.315 209.4
2026 0.322 213.0
2027 0.328 216.4
2028 0.335 219.7
2029 0.343 222.9
2030 0.350 225.9

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