08456+8442 A 1078

 
 
08h 45m 34.82s +84° 41' 35.8" P.A. 323.00 sep 0.5 mag 9.92,9.97 Sp F8 dist. 43.74 pc (142.68 l.y.)
 
 
Coord 2000 08456+8442 Discov num A  1078 Comp Coord arcsec 2000 08 45 34.82 +84 41 35.8
Date first 1905 Date last 2012 Obs 21
Pa first 233 Pa last 322.7 P.A. Now (θ) 322.7°
Sep first 1.0 Sep last 0.497 Sep. Now (ρ) 0.497"
Mag pri 9.92 Mag sec 9.97 delta mag (ΔM) 0.05 Spectral class F8 (yellow-white)
Pri motion ra -082 Sec motion ra -082
Pri motion dec -192 Sec motion dec -192
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Camelopardalis HIP 42982 Tycho2 4635-00269-1 ADS 6902
BD BD+85 127 Distance 43.74 Distance ly 142.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)1304y Periastron (T)1999.61y Semi-major axis (a)3.099a
Eccentricity (e)0.968 Inclination (i)66.8° Longitude of periastron (ω)256.2°
Node (Ω)139.7° Notes ReferenceLin2010c
Equinox2000 Last observation2001 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 77.5 0.045
2001 125.2 0.128
2002 135.3 0.201
2003 140.2 0.261
2004 143.4 0.312
2005 145.8 0.356
2006 147.6 0.396
2007 149.2 0.433
2008 150.5 0.466
2009 151.6 0.498
2010 152.6 0.527
2011 153.5 0.555
2012 154.3 0.582
2013 155.0 0.607
2014 155.7 0.632
2015 156.3 0.655
2016 156.9 0.677
2017 157.5 0.699
2018 158.0 0.720
2019 158.5 0.741
2020 159.0 0.760
2021 159.4 0.780
2022 159.8 0.798
2023 160.2 0.817
2024 160.6 0.835
2025 161.0 0.852
2026 161.3 0.869
2027 161.7 0.886
2028 162.0 0.902
2029 162.3 0.918
2030 162.6 0.934


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


 
  


wds08456%2B8442b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic