00143-2732 HDS 33 (HD 1002)

 
 
00h 14m 20.22s -27 31' 51.9" P.A. 340.00 sep 0.1 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 2021 Obs 16
Pa first 328 Pa last 339.9 P.A. Now (θ) 27.4°
Sep first 0.1 Sep last 0.132 Sep. Now (ρ) 0.077"
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)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1002 Constellation Sculptor SAO 166137 HIP 1144
Tycho2 6419-01020-1 Gaia DR2 2323040096922657920 HD 1002 CD CD-28 47
CP CP-28 12 Distance 50.89 Distance ly 166
 
 
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)35.3°± 5.3 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 318.3 0.159
2001 335.4 0.138
2002 1.3 0.104
2003 69.3 0.052
2004 209.2 0.081
2005 244.4 0.128
2006 263.1 0.156
2007 277.1 0.171
2008 289.6 0.176
2009 301.8 0.174
2010 315.1 0.163
2011 331.2 0.143
2012 354.2 0.113
2013 44.1 0.064
2014 193.8 0.067
2015 239.0 0.120
2016 259.5 0.151
2017 274.3 0.168
2018 286.9 0.176
2019 299.1 0.175
2020 312.0 0.166
2021 327.2 0.148
2022 348.1 0.121
2023 27.4 0.077
2024 170.0 0.053
2025 232.7 0.110
2026 255.8 0.145
2027 271.3 0.165
2028 284.2 0.175
2029 296.4 0.176
2030 309.1 0.169


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



 
 


wds00143-2732a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic