03236-4005 I   468

 
 
03H 23M 35.23S -40 04' 35.4" P.A. 122.4 SEP 2.63 MAG 6.80,11.00 SP K0V DIST. 17.42 PC (56.82 L.Y.)
 
 
Coord 2000
03236-4005
Discov num
I   468
Comp
Coord arcsec 2000
03 23 35.23 -40 04 35.4
Date first
1909
Date last
2015
Obs
10
Pa first
210
Pa last
122
P.A. Now (θ)
122.4°
Sep first
2.0
Sep last
2.6
Sep. Now (ρ)
2.63"
Mag pri
6.80
Mag sec
11.00
delta mag (ΔM)
4.2
Spectral class
K0V (yellow-orange)
Pri motion ra
+073
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Eridanus
SAO
216292
HIP
15799
HD
21175
GL
NN 3222A
CD
CD-40 898
CP
CP-40 310
Distance
17.42
Distance ly
56.82
last precise pa
121.7
last precise sep
2.599
 
 
ORBITAL ELEMENTS
 
 
Period (P)237.68y Periastron (T)1971.45y Semi-major axis (a)2.548a
Eccentricity (e)0.505 Inclination (i)41.6° Longitude of periastron (ω)30.9°
Node (Ω)319.5° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 1.851 100.6
2001 1.902 102.4
2002 1.952 104.1
2003 2.003 105.7
2004 2.052 107.3
2005 2.101 108.7
2006 2.150 110.1
2007 2.197 111.5
2008 2.244 112.8
2009 2.291 114.0
2010 2.336 115.2
2011 2.381 116.3
2012 2.425 117.4
2013 2.468 118.5
2014 2.510 119.5
2015 2.551 120.5
2016 2.592 121.5
2017 2.631 122.4
2018 2.670 123.3
2019 2.708 124.2
2020 2.746 125.0
2021 2.782 125.9
2022 2.817 126.7
2023 2.852 127.5
2024 2.886 128.2
2025 2.919 129.0
2026 2.951 129.7
2027 2.983 130.4
2028 3.013 131.2
2029 3.043 131.8
2030 3.072 132.5

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