00463-0634 HDS 101

 
 
00H 46M 16.11S -06 33' 58.4" P.A. 351.7 SEP 0.12 MAG 8.93,10.27 SP F5 DIST. 138.5 PC (451.79 L.Y.)
 
 
Coord 2000
00463-0634
Discov num
HDS 101
Comp
Coord arcsec 2000
00 46 16.11 -06 33 58.4
Date first
1991
Date last
2015
Obs
8
Pa first
11
Pa last
346
P.A. Now (θ)
351.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.12"
Mag pri
8.93
Mag sec
10.27
delta mag (ΔM)
1.34
Spectral class
F5 (yellow-white)
Pri motion ra
+037
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
3612
Tycho2
4679-00531-1
HD
4393
BD
BD-07 117
Distance
138.5
Distance ly
451.79
last precise pa
346
last precise sep
0.108
 
 
ORBITAL ELEMENTS
 
 
Period (P)30.52y Periastron (T)2010.24y Semi-major axis (a)0.094a
Eccentricity (e)0.716 Inclination (i)21.6° Longitude of periastron (ω)144.5°
Node (Ω)53.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.148 34.5
2001 0.142 37.7
2002 0.136 41.2
2003 0.128 45.0
2004 0.119 49.5
2005 0.108 54.7
2006 0.095 61.3
2007 0.080 70.2
2008 0.062 83.7
2009 0.042 109.5
2010 0.026 176.2
2011 0.034 260.7
2012 0.051 299.5
2013 0.068 319.0
2014 0.082 331.1
2015 0.095 339.7
2016 0.107 346.3
2017 0.117 351.7
2018 0.126 356.3
2019 0.133 0.3
2020 0.140 3.9
2021 0.145 7.2
2022 0.150 10.3
2023 0.153 13.3
2024 0.156 16.1
2025 0.157 18.9
2026 0.158 21.6
2027 0.157 24.3
2028 0.156 27.1
2029 0.153 29.9
2030 0.150 32.9

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