14462-2111 FIN 309 (17 Lib)

14h 46m 10.92s -21° 10' 32.6" P.A. 24.00 sep 0.1 mag 7.30,7.30 Sp G1V dist. 41.25 pc (134.56 l.y.)

Coord 2000 14462-2111 Discov num FIN 309 Comp Coord arcsec 2000 14 46 10.92 -21 10 32.6
Date first 1935 Date last 2021 Obs 72
Pa first 127 Pa last 24.4 P.A. Now (θ) 92.1°
Sep first 0.3 Sep last 0.073 Sep. Now (ρ) 0.18"
Mag pri 7.30 Mag sec 7.30 delta mag (ΔM) 0 Spectral class G1V (yellow)
Pri motion ra -058 Sec motion ra
Pri motion dec -097 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name 17 Lib Constellation Libra SAO 182858 HIP 72217
Tycho2 6166-00454-1 HD 129980 HR 5504 GC 19873
BD BD-20 4087 Flamsteed 17 Librae Flamsteed name 17 Lib Distance 41.25
Distance ly 134.56




ORBITAL ELEMENTS

Period (P)12.929y± 0.021 Periastron (T)1995.249y± 0.055 Semi-major axis (a)0.1814a± 0.0021
Eccentricity (e)0.6428± 0.0051 Inclination (i)25.9°± 2.6 Longitude of periastron (ω)39.5°± 4.7
Node (Ω)281.9°± 4.1 Notesn ReferenceMsn2010c
Equinox2000 Last observation2009 Grade2(1=Definitive, 9=Indet.)

label theta rho
2000 125.1 0.278
2001 133.0 0.287
2002 140.7 0.285
2003 148.8 0.273
2004 157.9 0.251
2005 169.3 0.219
2006 185.5 0.177
2007 214.2 0.123
2008 291.6 0.068
2009 56.8 0.103
2010 90.7 0.176
2011 106.3 0.226
2012 117.0 0.259
2013 125.7 0.279
2014 133.5 0.287
2015 141.2 0.284
2016 149.4 0.272
2017 158.6 0.249
2018 170.2 0.217
2019 186.9 0.173
2020 217.2 0.119
2021 301.7 0.065
2022 60.8 0.109
2023 92.1 0.180
2024 107.2 0.229
2025 117.7 0.261
2026 126.3 0.280
2027 134.1 0.287
2028 141.8 0.284
2029 150.0 0.270
2030 159.4 0.247


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



 
 


wds14462-2111a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic