16413+3006 A 349

 
 
16h 41m 17.67s +30° 06' 36.2" P.A. 127.00 sep 0.7 mag 10.66,10.91 Sp K6
 
 
Coord 2000 16413+3006 Discov num A   349 Comp Coord arcsec 2000 16 41 17.67 +30 06 36.2
Date first 1902 Date last 2018 Obs 68
Pa first 112 Pa last 126.5 P.A. Now (θ) 124.3°
Sep first 0.6 Sep last 0.7 Sep. Now (ρ) 0.664"
Mag pri 10.66 Mag sec 10.91 delta mag (ΔM) 0.25 Spectral class K6 (yellow-orange)
Pri motion ra -043 Sec motion ra -043
Pri motion dec +092 Sec motion dec +092
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 81694 Tycho2 2582-01818-1 Gaia DR2 1312238029347256704
ADS 10158 BD BD+30 2860
 
 
ORBITAL ELEMENTS
 
 
Period (P)135.69y Periastron (T)1951.28y Semi-major axis (a)0.435a
Eccentricity (e)0.532 Inclination (i)165.1° Longitude of periastron (ω)8.5°
Node (Ω)316.1° Notes ReferenceHrt2014b
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 146.3 0.627
2001 145.3 0.631
2002 144.2 0.635
2003 143.2 0.638
2004 142.2 0.642
2005 141.2 0.645
2006 140.3 0.648
2007 139.3 0.651
2008 138.3 0.653
2009 137.4 0.656
2010 136.4 0.658
2011 135.5 0.659
2012 134.5 0.661
2013 133.6 0.662
2014 132.6 0.664
2015 131.7 0.664
2016 130.8 0.665
2017 129.9 0.666
2018 128.9 0.666
2019 128.0 0.666
2020 127.1 0.666
2021 126.1 0.665
2022 125.2 0.665
2023 124.3 0.664
2024 123.4 0.663
2025 122.4 0.661
2026 121.5 0.660
2027 120.5 0.658
2028 119.6 0.656
2029 118.6 0.654
2030 117.7 0.652


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



 
 


wds16413%2B3006b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic