10264+2545 HDS 1500

 
 
10h 26m 21.43s +25° 44' 36.1" P.A. 305.00 sep 0.2 mag 9.29,10.58 Sp G0 dist. 124.84 pc (407.23 l.y.)
 
 
Coord 2000 10264+2545 Discov num HDS1500 Comp Coord arcsec 2000 10 26 21.43 +25 44 36.1
Date first 1991 Date last 2019 Obs 8
Pa first 162 Pa last 305.4 P.A. Now (θ) 305.4°
Sep first 0.2 Sep last 0.176 Sep. Now (ρ) 0.176"
Mag pri 9.29 Mag sec 10.58 delta mag (ΔM) 1.29 Spectral class G0 (yellow)
Pri motion ra -050 Sec motion ra
Pri motion dec -048 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Leo HIP 51094 Tycho2 1973-00752-1 Gaia DR2 727639001213472128
BD BD+26 2085 Distance 124.84 Distance ly 407.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)85y Periastron (T)1978.67y Semi-major axis (a)0.213a
Eccentricity (e)0.136 Inclination (i)65.2° Longitude of periastron (ω)317.6°
Node (Ω)150.8° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 190.7 0.127
2001 195.9 0.120
2002 201.8 0.113
2003 208.4 0.107
2004 215.7 0.102
2005 223.7 0.099
2006 232.1 0.097
2007 240.6 0.097
2008 249.1 0.098
2009 257.2 0.101
2010 264.6 0.106
2011 271.4 0.112
2012 277.5 0.118
2013 282.9 0.126
2014 287.6 0.134
2015 291.8 0.142
2016 295.6 0.150
2017 298.9 0.159
2018 301.9 0.167
2019 304.7 0.175
2020 307.2 0.183
2021 309.5 0.190
2022 311.6 0.197
2023 313.6 0.204
2024 315.5 0.210
2025 317.2 0.215
2026 318.9 0.220
2027 320.5 0.224
2028 322.1 0.227
2029 323.6 0.230
2030 325.1 0.232


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



 
 


wds10264%2B2545a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic