11361+1251 STF 1554 (HD 100797)

 
 
11h 36m 06.78s +12° 51' 18.8" P.A. 215.00 sep 0.3 mag 9.44,9.63 Sp G0V+G0/1V dist. 97.56 pc (318.24 l.y.)
 
 
Coord 2000 11361+1251 Discov num STF1554 Comp Coord arcsec 2000 11 36 06.78 +12 51 18.8
Date first 1829 Date last 2016 Obs 60
Pa first 255 Pa last 214.7 P.A. Now (θ) 214.7°
Sep first 1.0 Sep last 0.298 Sep. Now (ρ) 0.298"
Mag pri 9.44 Mag sec 9.63 delta mag (ΔM) 0.19 Spectral class G0V+G0/1V (yellow/yellow)
Pri motion ra -092 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 100797 Constellation Leo SAO 99686 HIP 56589
Tycho2 0863-00536-1 HD 100797 GC 15902 ADS 8230
BD BD+13 2433 Distance 97.56 Distance ly 318.24
 
 
ORBITAL ELEMENTS
 
 
Period (P)478.88y± 72.49 Periastron (T)1962.44y± 0.47 Semi-major axis (a)0.868a± 0.066
Eccentricity (e)0.902± 0.011 Inclination (i)74.8°± 0.8 Longitude of periastron (ω)308.6°± 1.9
Node (Ω)84.6°± 0.9 Notes ReferenceFMR2020a
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 202.1 0.210
2001 203.6 0.217
2002 204.9 0.223
2003 206.1 0.229
2004 207.3 0.235
2005 208.5 0.242
2006 209.5 0.248
2007 210.5 0.254
2008 211.5 0.261
2009 212.4 0.267
2010 213.3 0.274
2011 214.1 0.280
2012 214.9 0.287
2013 215.7 0.293
2014 216.4 0.299
2015 217.1 0.306
2016 217.8 0.312
2017 218.5 0.319
2018 219.1 0.325
2019 219.7 0.332
2020 220.2 0.338
2021 220.8 0.344
2022 221.3 0.351
2023 221.8 0.357
2024 222.3 0.363
2025 222.8 0.370
2026 223.3 0.376
2027 223.7 0.382
2028 224.1 0.389
2029 224.6 0.395
2030 225.0 0.401


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



 
 


wds11361%2B1251b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic