00310-3138 HDS 69 (HD 2762)

 
 
00h 31m 01.17s -31 38' 19.3" P.A. 96.00 sep 0.1 mag 10.45,10.45 Sp F8/G0V dist. 124.22 pc (405.21 l.y.)
 
 
Coord 2000 00310-3138 Discov num HDS  69 Comp Coord arcsec 2000 00 31 01.17 -31 38 19.3
Date first 1991 Date last 2020 Obs 7
Pa first 106 Pa last 96.2 P.A. Now (θ) 96.2°
Sep first 0.2 Sep last 0.127 Sep. Now (ρ) 0.127"
Mag pri 10.45 Mag sec 10.45 delta mag (ΔM) 0 Spectral class F8/G0V (yellow-white)
Pri motion ra +034 Sec motion ra
Pri motion dec -189 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2762 Constellation Sculptor SAO 192582 HIP 2433
Tycho2 6991-00695-1 Gaia DR2 2317410803546673792 HD 2762 CD CD-32 163
CP CP-32 52 Distance 124.22 Distance ly 405.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)61.2y Periastron (T)2010.9y Semi-major axis (a)0.135a
Eccentricity (e)0.65 Inclination (i)84° Longitude of periastron (ω)198.2°
Node (Ω)100.1° Notes ReferenceTok2021c
Equinox2000 Last observation2021 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 110.4 0.077
2001 112.1 0.065
2002 114.6 0.052
2003 118.8 0.039
2004 127.2 0.026
2005 151.6 0.014
2006 221.2 0.011
2007 257.8 0.022
2008 269.3 0.034
2009 274.8 0.044
2010 278.7 0.049
2011 282.5 0.044
2012 288.9 0.029
2013 318.0 0.010
2014 71.8 0.016
2015 87.2 0.036
2016 91.5 0.055
2017 93.6 0.073
2018 94.9 0.089
2019 95.9 0.104
2020 96.6 0.117
2021 97.1 0.130
2022 97.6 0.141
2023 98.0 0.151
2024 98.3 0.161
2025 98.6 0.169
2026 98.9 0.177
2027 99.2 0.183
2028 99.4 0.190
2029 99.7 0.195
2030 99.9 0.200


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



 
 


wds00310-3138a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic