09349+0515 A 2757 (HD 82867)

 
 
09h 34m 51.06s +05° 14' 51.5" P.A. 50.00 sep 0.3 mag 9.42,10.11 Sp K0 dist. 181.82 pc (593.1 l.y.)
 
 
Coord 2000 09349+0515 Discov num A  2757 Comp Coord arcsec 2000 09 34 51.06 +05 14 51.5
Date first 1914 Date last 2018 Obs 20
Pa first 177 Pa last 50.2 P.A. Now (θ) 50.2°
Sep first 0.3 Sep last 0.318 Sep. Now (ρ) 0.318"
Mag pri 9.42 Mag sec 10.11 delta mag (ΔM) 0.69 Spectral class K0 (yellow-orange)
Pri motion ra -057 Sec motion ra
Pri motion dec -053 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 82867 Constellation Hydra SAO 117781 HIP 47008
Tycho2 0241-02235-1 Gaia DR2 3852307797308141312 HD 82867 ADS 7435
BD BD+05 2198 Distance 181.82 Distance ly 593.1
 
 
ORBITAL ELEMENTS
 
 
Period (P)251.2y Periastron (T)2065.5y Semi-major axis (a)0.322a
Eccentricity (e)0.192 Inclination (i)132.4° Longitude of periastron (ω)99.8°
Node (Ω)58.7° Notes ReferenceLin2017b
Equinox2000 Last observation2017 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 69.1 0.331
2001 68.2 0.331
2002 67.3 0.330
2003 66.4 0.330
2004 65.5 0.329
2005 64.6 0.328
2006 63.6 0.327
2007 62.7 0.326
2008 61.8 0.325
2009 60.9 0.324
2010 59.9 0.322
2011 59.0 0.321
2012 58.0 0.319
2013 57.0 0.318
2014 56.1 0.316
2015 55.1 0.314
2016 54.1 0.312
2017 53.0 0.310
2018 52.0 0.308
2019 51.0 0.305
2020 49.9 0.303
2021 48.8 0.300
2022 47.7 0.297
2023 46.6 0.295
2024 45.4 0.292
2025 44.3 0.289
2026 43.1 0.285
2027 41.9 0.282
2028 40.6 0.279
2029 39.3 0.275
2030 38.0 0.272


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



 
 


wds09349%2B0515a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic