00366+5609 A   914

 
 
00H 36M 33.43S +56 08' 32.0" P.A. 22.6 SEP 0.46 MAG 8.42,9.29 SP F5 DIST. 209.64 PC (683.85 L.Y.)
 
 
Coord 2000
00366+5609
Discov num
A   914
Comp
Coord arcsec 2000
00 36 33.43 +56 08 32.0
Date first
1905
Date last
2007
Obs
33
Pa first
77
Pa last
23
P.A. Now (θ)
22.6°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.46"
Mag pri
8.42
Mag sec
9.29
delta mag (ΔM)
0.87
Spectral class
F5 (yellow-white)
Pri motion ra
-031
Sec motion ra
-031
Pri motion dec
-005
Sec motion dec
-005
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
21557
HIP
2886
Tycho2
3658-00454-1
HD
3304
ADS
504
BD
BD+55 117
Distance
209.64
Distance ly
683.85
last precise pa
22.6
last precise sep
0.44
 
 
ORBITAL ELEMENTS
 
 
Period (P)1240.2y± 79.4 Periastron (T)2015.1y± 80.1 Semi-major axis (a)0.88a± 0.084
Eccentricity (e)0.477± 0.043 Inclination (i)109.4°± 2.1 Longitude of periastron (ω)4.4°± 3.3
Node (Ω)24.7°± 2.9 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2005
label rho theta
2000 0.459 27.9
2001 0.459 27.6
2002 0.460 27.3
2003 0.460 27.0
2004 0.460 26.7
2005 0.461 26.4
2006 0.461 26.1
2007 0.461 25.7
2008 0.461 25.4
2009 0.461 25.1
2010 0.461 24.8
2011 0.461 24.5
2012 0.460 24.2
2013 0.460 23.9
2014 0.460 23.6
2015 0.459 23.3
2016 0.459 23.0
2017 0.458 22.6
2018 0.457 22.3
2019 0.457 22.0
2020 0.456 21.7
2021 0.455 21.4
2022 0.454 21.1
2023 0.453 20.7
2024 0.452 20.4
2025 0.451 20.1
2026 0.449 19.8
2027 0.448 19.5
2028 0.447 19.1
2029 0.445 18.8
2030 0.444 18.5

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic