10161-5954 HU 1597 (HD 89263)

 
 
10h 16m 03.26s -59° 54' 12.4" P.A. 182.00 sep 0.3 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 2018 Obs 47
Pa first 116 Pa last 182.2 P.A. Now (θ) 201.7°
Sep first 0.3 Sep last 0.289 Sep. Now (ρ) 0.303"
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
 
 
Name HD 89263 Constellation Carina SAO 237853 HIP 50287
Tycho2 8612-01079-1 HD 89263 HR 4043 GC 14119
CP CP-59 2008 Distance 81.7 Distance ly 266.51
 
 
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 Notesn ReferenceMsn2009
Equinox2000 Last observation2006 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 104.7 0.311
2001 108.4 0.312
2002 112.2 0.312
2003 115.9 0.311
2004 119.7 0.309
2005 123.6 0.307
2006 127.5 0.304
2007 131.5 0.301
2008 135.5 0.297
2009 139.7 0.294
2010 144.0 0.291
2011 148.3 0.288
2012 152.8 0.285
2013 157.3 0.283
2014 161.9 0.282
2015 166.5 0.281
2016 171.1 0.281
2017 175.7 0.282
2018 180.3 0.283
2019 184.8 0.286
2020 189.2 0.289
2021 193.5 0.293
2022 197.7 0.298
2023 201.7 0.303
2024 205.6 0.309
2025 209.4 0.315
2026 213.0 0.322
2027 216.4 0.328
2028 219.7 0.335
2029 222.9 0.343
2030 225.9 0.350


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds10161-5954a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic