00162+7657 STF  13

 
 
00H 16M 14.02S +76 57' 03.0" P.A. 47.7 SEP 0.91 MAG 7.03,7.12 SP B8VNN DIST. 192.31 PC (627.32 L.Y.)
 
 
Coord 2000
00162+7657
Discov num
STF  13
Comp
Coord arcsec 2000
00 16 14.02 +76 57 03.0
Date first
1828
Date last
2016
Obs
203
Pa first
127
Pa last
48
P.A. Now (θ)
47.7°
Sep first
0.5
Sep last
1.0
Sep. Now (ρ)
0.91"
Mag pri
7.03
Mag sec
7.12
delta mag (ΔM)
0.09
Spectral class
B8Vnn (blue-white)
Pri motion ra
+018
Sec motion ra
+018
Pri motion dec
+001
Sec motion dec
+001
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cepheus
SAO
4071
HIP
1296
Tycho2
4496-01370-1
HD
1141
HR
55
ADS
207
BD
BD+76 5
Distance
192.31
Distance ly
627.32
last precise pa
48.2
last precise sep
0.958
 
 
ORBITAL ELEMENTS
 
 
Period (P)971.444y Periastron (T)2770.589y Semi-major axis (a)0.9873a
Eccentricity (e)0.4095 Inclination (i)135.8° Longitude of periastron (ω)285.2°
Node (Ω)89.4° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1996
label rho theta
2000 0.900 52.6
2001 0.900 52.3
2002 0.901 52.0
2003 0.902 51.7
2004 0.902 51.5
2005 0.903 51.2
2006 0.903 50.9
2007 0.904 50.6
2008 0.904 50.3
2009 0.905 50.0
2010 0.905 49.7
2011 0.906 49.4
2012 0.906 49.1
2013 0.907 48.9
2014 0.907 48.6
2015 0.908 48.3
2016 0.908 48.0
2017 0.909 47.7
2018 0.909 47.4
2019 0.909 47.1
2020 0.910 46.9
2021 0.910 46.6
2022 0.911 46.3
2023 0.911 46.0
2024 0.911 45.7
2025 0.912 45.4
2026 0.912 45.1
2027 0.913 44.9
2028 0.913 44.6
2029 0.913 44.3
2030 0.914 44.0

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