00143-2732 HDS  33

 
 
00H 14M 20.22S -27 31' 51.9" P.A. 79.5 SEP 0.15 MAG 7.93,8.88 SP G5V DIST. 50.89 PC (166 L.Y.)
 
 
Coord 2000
00143-2732
Discov num
HDS  33
Comp
Coord arcsec 2000
00 14 20.22 -27 31 51.9
Date first
1991
Date last
2015
Obs
10
Pa first
328
Pa last
256
P.A. Now (θ)
79.5°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.15"
Mag pri
7.93
Mag sec
8.88
delta mag (ΔM)
0.95
Spectral class
G5V (yellow)
Pri motion ra
-028
Sec motion ra
Pri motion dec
-145
Sec motion dec
Notes
O (Orbital solution)
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sculptor
SAO
166137
HIP
1144
Tycho2
6419-01020-1
HD
1002
CD
CD-28 47
CP
CP-28 12
Distance
50.89
Distance ly
166
last precise pa
256
last precise sep
0.143
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.22y± 0.07 Periastron (T)2013.47y± 0.04 Semi-major axis (a)0.124a± 0.002
Eccentricity (e)0.609± 0.009 Inclination (i)28.4°± 2.5 Longitude of periastron (ω)80°± 4.3
Node (Ω)215.3°± 5.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.159 138.3
2001 0.138 155.4
2002 0.104 181.3
2003 0.052 249.3
2004 0.081 29.2
2005 0.128 64.4
2006 0.156 83.1
2007 0.171 97.1
2008 0.176 109.6
2009 0.174 121.8
2010 0.163 135.1
2011 0.143 151.2
2012 0.113 174.2
2013 0.064 224.1
2014 0.067 13.8
2015 0.120 59.0
2016 0.151 79.5
2017 0.168 94.3
2018 0.176 106.9
2019 0.175 119.1
2020 0.166 132.0
2021 0.148 147.2
2022 0.121 168.1
2023 0.077 207.4
2024 0.053 350.0
2025 0.110 52.7
2026 0.145 75.8
2027 0.165 91.3
2028 0.175 104.2
2029 0.176 116.4
2030 0.169 129.1

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6