01089-2937 I 262 (HD 6868)

 
 
01h 08m 51.80s -29 37' 21.0" P.A. 84.00 sep 0.5 mag 8.66,9.41 Sp F5V dist. 100.5 pc (327.83 l.y.)
 
 
Coord 2000 01089-2937 Discov num I   262 Comp Coord arcsec 2000 01 08 51.80 -29 37 21.0
Date first 1898 Date last 2008 Obs 23
Pa first 170 Pa last 83.8 P.A. Now (θ) 83.8°
Sep first 0.8 Sep last 0.519 Sep. Now (ρ) 0.519"
Mag pri 8.66 Mag sec 9.41 delta mag (ΔM) 0.75 Spectral class F5V (yellow-white)
Pri motion ra +027 Sec motion ra +027
Pri motion dec -037 Sec motion dec -037
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 6868 Constellation Sculptor SAO 166834 HIP 5383
Tycho2 6427-00533-1 Gaia DR2 5032808081492470784 HD 6868 CD CD-30 360
CP CP-30 118 Distance 100.5 Distance ly 327.83
 
 
ORBITAL ELEMENTS
 
 
Period (P)663.9y Periastron (T)1398.89y Semi-major axis (a)0.939a
Eccentricity (e)0.369 Inclination (i)130.9° Longitude of periastron (ω)1.2°
Node (Ω)34.7° Notes ReferenceZir2013d
Equinox2000 Last observation2008 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 93.2 0.511
2001 92.1 0.512
2002 91.0 0.513
2003 89.9 0.514
2004 88.8 0.515
2005 87.7 0.516
2006 86.6 0.517
2007 85.5 0.518
2008 84.4 0.519
2009 83.4 0.521
2010 82.3 0.522
2011 81.2 0.523
2012 80.2 0.525
2013 79.1 0.526
2014 78.1 0.528
2015 77.0 0.530
2016 76.0 0.531
2017 75.0 0.533
2018 73.9 0.535
2019 72.9 0.537
2020 71.9 0.538
2021 70.9 0.540
2022 69.9 0.542
2023 69.0 0.544
2024 68.0 0.546
2025 67.0 0.548
2026 66.0 0.550
2027 65.1 0.552
2028 64.1 0.554
2029 63.2 0.556
2030 62.2 0.557


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



 
 


wds01089-2937a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic