09357+3549 HU 1128 (11 LMi)

 
 
09h 35m 39.50s +35 48' 36.4" P.A. 58.00 sep 7.3 mag 4.80,12.50 Sp G8V dist. 11.37 pc (37.09 l.y.)
 
 
Coord 2000 09357+3549 Discov num HU 1128 Comp Coord arcsec 2000 09 35 39.50 +35 48 36.4
Date first 1905 Date last 2018 Obs 27
Pa first 35 Pa last 57.5 P.A. Now (θ) 57.5°
Sep first 5.9 Sep last 7.3 Sep. Now (ρ) 7.3"
Mag pri 4.80 Mag sec 12.50 delta mag (ΔM) 7.7 Spectral class G8V (yellow)
Pri motion ra -716 Sec motion ra
Pri motion dec -240 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 11 LMi Var name SV LMi Constellation Leo Minor SAO 61586
HIP 47080 Tycho2 2500-01533-1 HD 82885 HR 3815
GC 13242 ADS 7441 GL Gl 356A BD BD+36 1979
Flamsteed 11 Leonis Minoris Flamsteed name 11 LMi Distance 11.37 Distance ly 37.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)241.1375y± 63.9628 Periastron (T)1941.747y± 1.3215 Semi-major axis (a)7.18277a± 2.64613
Eccentricity (e)0.98094± 0.01072 Inclination (i)107.448°± 5.704 Longitude of periastron (ω)114.758°± 10.405
Node (Ω)12.74°± 6.301 Notesn ReferenceIzm2019
Equinox Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 53.0 5.126
2001 52.8 5.178
2002 52.6 5.229
2003 52.5 5.280
2004 52.3 5.330
2005 52.1 5.379
2006 52.0 5.427
2007 51.8 5.474
2008 51.7 5.521
2009 51.5 5.567
2010 51.4 5.613
2011 51.3 5.658
2012 51.1 5.702
2013 51.0 5.745
2014 50.9 5.788
2015 50.7 5.830
2016 50.6 5.871
2017 50.5 5.912
2018 50.3 5.952
2019 50.2 5.992
2020 50.1 6.031
2021 50.0 6.069
2022 49.8 6.106
2023 49.7 6.143
2024 49.6 6.179
2025 49.5 6.215
2026 49.4 6.250
2027 49.3 6.284
2028 49.1 6.318
2029 49.0 6.351
2030 48.9 6.383


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



 
 


wds09357%2B3549b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic