01105+3917 COU1212

 
 
01H 10M 28.86S +39 16' 43.6" P.A. 301.3 SEP 0.57 MAG 9.50,10.20 SP K2
 
 
Coord 2000
01105+3917
Discov num
COU1212
Comp
Coord arcsec 2000
01 10 28.86 +39 16 43.6
Date first
1974
Date last
1995
Obs
7
Pa first
325
Pa last
286
P.A. Now (θ)
301.3°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.57"
Mag pri
9.50
Mag sec
10.20
delta mag (ΔM)
0.7
Spectral class
K2 (yellow-orange)
Pri motion ra
+021
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
54482
Tycho2
2800-00759-1
last precise pa
286.2
last precise sep
0.22
 
 
ORBITAL ELEMENTS
 
 
Period (P)110y Periastron (T)1998.51y Semi-major axis (a)0.59a
Eccentricity (e)0.55 Inclination (i)101° Longitude of periastron (ω)73.8°
Node (Ω)125° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 0.054 16.6
2001 0.094 338.4
2002 0.146 325.0
2003 0.198 318.7
2004 0.247 315.0
2005 0.292 312.5
2006 0.333 310.6
2007 0.370 309.1
2008 0.403 307.9
2009 0.433 306.9
2010 0.459 306.0
2011 0.482 305.1
2012 0.503 304.4
2013 0.521 303.7
2014 0.536 303.0
2015 0.549 302.4
2016 0.561 301.8
2017 0.570 301.3
2018 0.578 300.7
2019 0.584 300.2
2020 0.589 299.7
2021 0.593 299.1
2022 0.595 298.6
2023 0.596 298.1
2024 0.596 297.6
2025 0.594 297.1
2026 0.592 296.6
2027 0.589 296.1
2028 0.585 295.5
2029 0.580 295.0
2030 0.575 294.5

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