11418+0508 TOK 896

 
 
11h 41m 49.58s +05° 08' 26.5" P.A. 85.00 sep 0.1 mag 9.70,9.90 Sp K4V dist. 30.3 pc (98.84 l.y.)
 
 
Coord 2000 11418+0508 Discov num TOK 896 Comp Coord arcsec 2000 11 41 49.58 +05 08 26.5
Date first 2017 Date last 2021 Obs 15
Pa first 283 Pa last 84.8 P.A. Now (θ) 152.2°
Sep first 0.1 Sep last 0.066 Sep. Now (ρ) 0.085"
Mag pri 9.70 Mag sec 9.90 delta mag (ΔM) 0.2 Spectral class K4V (yellow-orange)
Pri motion ra +231 Sec motion ra
Pri motion dec -463 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo HIP 57058 Tycho2 0278-00150-1 GL Gl 435.1
BD BD+05 2529 Distance 30.3 Distance ly 98.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)3.944y± 0.016 Periastron (T)2017.98y± 0.04 Semi-major axis (a)0.088a± 0.002
Eccentricity (e)0.313± 0.026 Inclination (i)38°± 0 Longitude of periastron (ω)288.4°± 3.9
Node (Ω)100°± 3.8 Notes ReferenceTok2021c
Equinox2000 Last observation2020 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 198.4 0.091
2001 255.5 0.099
2002 347.7 0.051
2003 130.9 0.082
2004 202.0 0.091
2005 258.6 0.098
2006 359.5 0.049
2007 135.3 0.083
2008 205.5 0.092
2009 261.7 0.097
2010 12.1 0.048
2011 139.6 0.083
2012 209.0 0.093
2013 264.8 0.096
2014 24.8 0.048
2015 143.8 0.084
2016 212.4 0.094
2017 268.1 0.095
2018 37.2 0.050
2019 148.0 0.084
2020 215.8 0.094
2021 271.5 0.093
2022 48.7 0.052
2023 152.2 0.085
2024 219.0 0.095
2025 275.0 0.091
2026 59.1 0.055
2027 156.3 0.085
2028 222.3 0.096
2029 278.6 0.089
2030 68.4 0.058


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



 
 


wds11418%2B0508a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic