00521-1314 HU  201

 
 
00H 52M 07.81S -13 13' 50.0" P.A. 120.7 SEP 0.85 MAG 10.09,10.47 SP K1V DIST. 60.94 PC (198.79 L.Y.)
 
 
Coord 2000
00521-1314
Discov num
HU  201
Comp
Coord arcsec 2000
00 52 07.81 -13 13 50.0
Date first
1900
Date last
2008
Obs
46
Pa first
129
Pa last
116
P.A. Now (θ)
120.7°
Sep first
0.6
Sep last
0.9
Sep. Now (ρ)
0.85"
Mag pri
10.09
Mag sec
10.47
delta mag (ΔM)
0.38
Spectral class
K1V (yellow-orange)
Pri motion ra
+077
Sec motion ra
+077
Pri motion dec
-093
Sec motion dec
-093
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
147487
HIP
4066
Tycho2
5272-01666-1
HD
5041
ADS
713
BD
BD-14 152
Distance
60.94
Distance ly
198.79
last precise pa
115.7
last precise sep
0.885
 
 
ORBITAL ELEMENTS
 
 
Period (P)128.9y Periastron (T)1932.97y Semi-major axis (a)0.542a
Eccentricity (e)0.688 Inclination (i)44.1° Longitude of periastron (ω)160°
Node (Ω)124.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.892 111.3
2001 0.893 111.9
2002 0.893 112.4
2003 0.893 113.0
2004 0.893 113.5
2005 0.892 114.0
2006 0.891 114.6
2007 0.889 115.1
2008 0.887 115.6
2009 0.885 116.2
2010 0.882 116.7
2011 0.879 117.3
2012 0.876 117.8
2013 0.872 118.4
2014 0.868 119.0
2015 0.863 119.5
2016 0.858 120.1
2017 0.852 120.7
2018 0.846 121.3
2019 0.840 121.9
2020 0.833 122.5
2021 0.826 123.1
2022 0.818 123.8
2023 0.810 124.4
2024 0.801 125.1
2025 0.792 125.7
2026 0.783 126.4
2027 0.772 127.1
2028 0.762 127.9
2029 0.751 128.6
2030 0.739 129.4

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