01011+6022 A 926 (HD 5851)

 
 
01h 01m 06.49s +60 21' 30.4" P.A. 346.00 sep 0.4 mag 9.23,8.65 Sp F5IV dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 01011+6022 Discov num A   926 Comp Coord arcsec 2000 01 01 06.49 +60 21 30.4
Date first 1905 Date last 2008 Obs 31
Pa first 248 Pa last 345.9 P.A. Now (θ) 345.9°
Sep first 0.3 Sep last 0.386 Sep. Now (ρ) 0.386"
Mag pri 9.23 Mag sec 8.65 delta mag (ΔM) 0.58 Spectral class F5IV (yellow-white)
Pri motion ra +022 Sec motion ra +022
Pri motion dec -019 Sec motion dec -019
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 5851 Constellation Cassiopeia SAO 11523 HIP 4755
Tycho2 4017-01387-1 Gaia DR2 426478059093070080 HD 5851 ADS 832
BD BD+59 166 Distance 153.14 Distance ly 499.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)253.99y± 7.07 Periastron (T)2131.63y± 3.02 Semi-major axis (a)0.318a± 0.016
Eccentricity (e)0.388± 0.027 Inclination (i)32.3°± 3.4 Longitude of periastron (ω)85.7°± 8.6
Node (Ω)74.2°± 6 Notes ReferenceCve2006e
Equinox2000 Last observation1998 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 335.4 0.374
2001 336.2 0.374
2002 337.0 0.374
2003 337.8 0.374
2004 338.6 0.374
2005 339.4 0.373
2006 340.2 0.373
2007 341.0 0.373
2008 341.8 0.373
2009 342.6 0.373
2010 343.4 0.373
2011 344.2 0.372
2012 345.0 0.372
2013 345.8 0.372
2014 346.6 0.372
2015 347.5 0.371
2016 348.3 0.371
2017 349.1 0.371
2018 349.9 0.371
2019 350.7 0.370
2020 351.5 0.370
2021 352.3 0.370
2022 353.1 0.369
2023 354.0 0.369
2024 354.8 0.369
2025 355.6 0.368
2026 356.4 0.368
2027 357.3 0.367
2028 358.1 0.367
2029 358.9 0.367
2030 359.8 0.366


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



 
 


wds01011%2B6022b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic