11330+0938 A 2576 AB

 
 
11h 33m 03.00s +09° 37' 38.8" P.A. 260.00 sep 0.6 mag 10.15,10.23 Sp G5
 
 
Coord 2000 11330+0938 Discov num A  2576 Comp AB Coord arcsec 2000 11 33 03.00 +09 37 38.8
Date first 1913 Date last 2017 Obs 16
Pa first 201 Pa last 260.2 P.A. Now (θ) 260.2°
Sep first 0.5 Sep last 0.64 Sep. Now (ρ) 0.64"
Mag pri 10.15 Mag sec 10.23 delta mag (ΔM) 0.08 Spectral class G5 (yellow)
Pri motion ra +024 Sec motion ra +024
Pri motion dec -025 Sec motion dec -025
Notes O (Orbital solution)
This double is physical.
 
 
11330+0938 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 118914 11 33 03 +09 37 39 A 2576 AB 2017 16 260 0.6 10.15 10.23 0.08 Y <===
Show HD 100361 118914 11 33 03 +09 37 39 A 2576 AB,C 2015 8 237 32.0 9.44 11.80 2.36
Show 11 33 01 +09 37 22 J 428 CD 2016 11 260 4.0 12.00 13.00 1.00
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo SAO 118914 Tycho2 0856-00564-1 Gaia DR2 3914423744646669952
HD 100361 ADS 8211
 
 
ORBITAL ELEMENTS
 
 
Period (P)373.7y Periastron (T)1871.4y Semi-major axis (a)0.645a
Eccentricity (e)0.487 Inclination (i)55.6° Longitude of periastron (ω)95.6°
Node (Ω)11.5° Notes ReferenceSca2016a
Equinox2000 Last observation2016 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 252.0 0.550
2001 252.7 0.550
2002 253.4 0.549
2003 254.0 0.548
2004 254.7 0.548
2005 255.3 0.547
2006 256.0 0.546
2007 256.7 0.546
2008 257.3 0.545
2009 258.0 0.544
2010 258.7 0.544
2011 259.3 0.543
2012 260.0 0.543
2013 260.7 0.542
2014 261.3 0.542
2015 262.0 0.541
2016 262.7 0.541
2017 263.4 0.541
2018 264.0 0.540
2019 264.7 0.540
2020 265.4 0.540
2021 266.1 0.539
2022 266.8 0.539
2023 267.4 0.539
2024 268.1 0.538
2025 268.8 0.538
2026 269.5 0.538
2027 270.2 0.538
2028 270.9 0.538
2029 271.5 0.538
2030 272.2 0.538


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



 
 


wds11330%2B0938a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic