02415+4053 COU1511

 
 
02H 41M 28.89S +40 52' 50.8" P.A. 149.4 SEP 0.13 MAG 8.70,8.70 SP G0 DIST. 90.33 PC (294.66 L.Y.)
 
 
Coord 2000
02415+4053
Discov num
COU1511
Comp
Coord arcsec 2000
02 41 28.89 +40 52 50.8
Date first
1977
Date last
2010
Obs
29
Pa first
88
Pa last
328
P.A. Now (θ)
149.4°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
8.70
Mag sec
8.70
delta mag (ΔM)
0
Spectral class
G0 (yellow)
Pri motion ra
+042
Sec motion ra
Pri motion dec
-043
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38228
HIP
12552
Tycho2
2849-01282-1
HD
16656
BD
BD+40 568
Distance
90.33
Distance ly
294.66
last precise pa
328.1
last precise sep
0.066
 
 
ORBITAL ELEMENTS
 
 
Period (P)22.18y Periastron (T)1988.64y Semi-major axis (a)0.124a
Eccentricity (e)0.474 Inclination (i)147° Longitude of periastron (ω)287°
Node (Ω)217.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1996
label rho theta
2000 0.157 105.1
2001 0.158 97.7
2002 0.157 90.2
2003 0.155 82.7
2004 0.151 74.9
2005 0.145 66.5
2006 0.135 57.1
2007 0.123 46.1
2008 0.105 31.9
2009 0.083 11.0
2010 0.061 334.2
2011 0.057 276.7
2012 0.075 232.4
2013 0.093 205.9
2014 0.107 187.4
2015 0.117 172.7
2016 0.126 160.3
2017 0.134 149.4
2018 0.140 139.6
2019 0.146 130.6
2020 0.150 122.1
2021 0.154 114.2
2022 0.156 106.5
2023 0.158 99.0
2024 0.157 91.6
2025 0.156 84.1
2026 0.152 76.3
2027 0.146 68.1
2028 0.137 58.9
2029 0.125 48.2
2030 0.109 34.8

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