13048+5555 WOR 23

 
 
13h 04m 46.59s +55° 54' 10.0" P.A. 163.00 sep 2.0 mag 11.24,12.21 Sp M0V dist. 32.65 pc (106.5 l.y.)
 
 
Coord 2000 13048+5555 Discov num WOR  23 Comp Coord arcsec 2000 13 04 46.59 +55 54 10.0
Date first 1960 Date last 2017 Obs 24
Pa first 131 Pa last 162.6 P.A. Now (θ) 162.6°
Sep first 0.9 Sep last 1.976 Sep. Now (ρ) 1.976"
Mag pri 11.24 Mag sec 12.21 delta mag (ΔM) 0.97 Spectral class M0V (red)
Pri motion ra -180 Sec motion ra -167
Pri motion dec +028 Sec motion dec +033
Notes O (Orbital solution)
rPM=0.076 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major HIP 63816 Tycho2 3846-00405-3 Gaia DR2 1564804504606689664
Distance 32.65 Distance ly 106.5
 
 
ORBITAL ELEMENTS
 
 
Period (P)453.7496y± 235.0095 Periastron (T)2019.8517y± 8.7428 Semi-major axis (a)7.90896a± 6.22897
Eccentricity (e)0.9179± 0.15567 Inclination (i)87.124°± 3.965 Longitude of periastron (ω)74.675°± 15.591
Node (Ω)165.117°± 5.018 Notes ReferenceIzm2019
Equinox Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 158.2 1.745
2001 158.5 1.754
2002 158.8 1.761
2003 159.2 1.766
2004 159.5 1.768
2005 159.8 1.767
2006 160.1 1.763
2007 160.4 1.756
2008 160.7 1.744
2009 161.1 1.727
2010 161.4 1.703
2011 161.8 1.673
2012 162.1 1.632
2013 162.5 1.580
2014 162.9 1.513
2015 163.4 1.425
2016 163.9 1.307
2017 164.6 1.145
2018 165.5 0.913
2019 167.3 0.570
2020 183.9 0.101
2021 340.6 0.413
2022 343.4 0.845
2023 344.3 1.196
2024 344.9 1.488
2025 345.3 1.737
2026 345.5 1.954
2027 345.8 2.147
2028 346.0 2.320
2029 346.1 2.479
2030 346.3 2.624


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



 
 


wds13048%2B5555a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic