14024+4620 SWI   1

 
 
14H 02M 33.18S +46 20' 23.9" P.A. 26.4 SEP 3.6 MAG 10.05,10.26 SP M2+M2.5
 
 
Coord 2000
14024+4620
Discov num
SWI   1
Comp
Coord arcsec 2000
14 02 33.18 +46 20 23.9
Date first
1889
Date last
2015
Obs
118
Pa first
8
Pa last
25
P.A. Now (θ)
26.4°
Sep first
2.3
Sep last
3.8
Sep. Now (ρ)
3.6"
Mag pri
10.05
Mag sec
10.26
delta mag (ΔM)
0.21
Spectral class
M2+M2.5 (red/red)
Pri motion ra
+547
Sec motion ra
+598
Pri motion dec
-040
Sec motion dec
-015
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
HIP
68588
Tycho2
3465-00617-1
last precise pa
25
last precise sep
3.76
 
 
ORBITAL ELEMENTS
 
 
Period (P)455y Periastron (T)2225y Semi-major axis (a)2.54a
Eccentricity (e)0.444 Inclination (i)66.3° Longitude of periastron (ω)182.6°
Node (Ω)22.5° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1998
label rho theta
2000 3.662 23.9
2001 3.660 24.0
2002 3.659 24.2
2003 3.657 24.3
2004 3.655 24.4
2005 3.652 24.6
2006 3.650 24.7
2007 3.647 24.9
2008 3.644 25.0
2009 3.641 25.1
2010 3.638 25.3
2011 3.634 25.4
2012 3.630 25.5
2013 3.626 25.7
2014 3.622 25.8
2015 3.618 26.0
2016 3.613 26.1
2017 3.608 26.2
2018 3.603 26.4
2019 3.598 26.5
2020 3.593 26.7
2021 3.587 26.8
2022 3.581 27.0
2023 3.575 27.1
2024 3.569 27.2
2025 3.562 27.4
2026 3.555 27.5
2027 3.549 27.7
2028 3.541 27.8
2029 3.534 28.0
2030 3.526 28.1

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