00462-2214 RST4155

 
 
00H 46M 11.05S -22 14' 29.3" P.A. 256.3 SEP 0.17 MAG 9.76,10.03 SP G0V DIST. 93.81 PC (306.01 L.Y.)
 
 
Coord 2000
00462-2214
Discov num
RST4155
Comp
Coord arcsec 2000
00 46 11.05 -22 14 29.3
Date first
1940
Date last
2015
Obs
14
Pa first
344
Pa last
274
P.A. Now (θ)
256.3°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.17"
Mag pri
9.76
Mag sec
10.03
delta mag (ΔM)
0.27
Spectral class
G0V (yellow)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
SAO
166554
HIP
3606
Tycho2
5849-02187-1
HD
4397
CD
CD-22 248
CP
CP-22 81
Distance
93.81
Distance ly
306.01
last precise pa
274.2
last precise sep
0.138
 
 
ORBITAL ELEMENTS
 
 
Period (P)48y Periastron (T)1957.2y Semi-major axis (a)0.195a
Eccentricity (e)0.2 Inclination (i)138.5° Longitude of periastron (ω)13.5°
Node (Ω)28.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1983
label rho theta
2000 0.150 63.8
2001 0.153 54.7
2002 0.156 46.0
2003 0.157 37.5
2004 0.157 29.0
2005 0.155 20.4
2006 0.151 11.4
2007 0.146 2.0
2008 0.141 351.9
2009 0.136 341.0
2010 0.133 329.4
2011 0.131 317.4
2012 0.132 305.3
2013 0.136 293.6
2014 0.142 282.7
2015 0.150 272.9
2016 0.159 264.1
2017 0.169 256.3
2018 0.179 249.4
2019 0.189 243.2
2020 0.198 237.6
2021 0.206 232.4
2022 0.214 227.7
2023 0.220 223.2
2024 0.225 219.0
2025 0.229 214.9
2026 0.231 211.0
2027 0.233 207.1
2028 0.233 203.3
2029 0.232 199.4
2030 0.229 195.4

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