05117+0031 HU 33 (V1085 Ori)

 
 
05h 11m 41.35s +00° 30' 52.5" P.A. 338.00 sep 0.2 mag 7.20,7.60 Sp B9Vn dist. 393.7 pc (1284.25 l.y.)
 
 
Coord 2000 05117+0031 Discov num HU   33 Comp Coord arcsec 2000 05 11 41.35 +00 30 52.5
Date first 1899 Date last 2014 Obs 29
Pa first 324 Pa last 337.7 P.A. Now (θ) 333.6°
Sep first 0.2 Sep last 0.163 Sep. Now (ρ) 0.166"
Mag pri 7.20 Mag sec 7.60 delta mag (ΔM) 0.4 Spectral class B9Vn (blue-white)
Pri motion ra +007 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V1085 Ori Constellation Orion SAO 112505 HIP 24196
Tycho2 0099-00503-1 Gaia DR2 3227858933027078400 HD 33647 HR 1690
GC 6359 ADS 3767 BD BD+00 974 Distance 393.7
Distance ly 1284.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)143.39y Periastron (T)1961.11y Semi-major axis (a)0.121a
Eccentricity (e)0.785 Inclination (i)137.7° Longitude of periastron (ω)295.5°
Node (Ω)90.6° Notesn ReferenceAna2004
Equinox2000 Last observation1998 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 350.3 0.137
2001 349.4 0.139
2002 348.5 0.140
2003 347.7 0.142
2004 346.8 0.143
2005 346.0 0.145
2006 345.2 0.146
2007 344.5 0.148
2008 343.7 0.149
2009 342.9 0.151
2010 342.2 0.152
2011 341.5 0.153
2012 340.8 0.155
2013 340.1 0.156
2014 339.4 0.157
2015 338.7 0.158
2016 338.0 0.159
2017 337.4 0.160
2018 336.7 0.161
2019 336.1 0.162
2020 335.4 0.163
2021 334.8 0.164
2022 334.2 0.165
2023 333.6 0.166
2024 333.0 0.166
2025 332.4 0.167
2026 331.8 0.168
2027 331.2 0.169
2028 330.6 0.169
2029 330.0 0.170
2030 329.4 0.170


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



 
 


wds05117%2B0031a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic