09077+1040 CHR 257 (Kap Cnc)

 
 
09h 07m 44.82s +10° 40' 05.6" P.A. 124.00 sep 0.1 mag 5.29,8.75 Sp B8IIImnp dist. 162.87 pc (531.28 l.y.)
 
 
Coord 2000 09077+1040 Discov num CHR 257 Comp Coord arcsec 2000 09 07 44.82 +10 40 05.6
Date first 1903 Date last 2019 Obs 27
Pa first 89 Pa last 123.9 P.A. Now (θ) 149.7°
Sep first 0.3 Sep last 0.091 Sep. Now (ρ) 0.038"
Mag pri 5.29 Mag sec 8.75 delta mag (ΔM) 3.46 Spectral class B8IIImnp (blue-white)
Pri motion ra -020 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Kap Cnc Constellation Cancer SAO 98378 HIP 44798
Tycho2 0815-02146-1 Gaia DR2 592021045155272832 HD 78316 HR 3623
GC 12596 BD BD+11 1984 Bayer Kappa Cancri Bayer name Kap Cnc
Flamsteed 76 Cancri Flamsteed name 76 Cnc FK5 1238 Distance 162.87
Distance ly 531.28 Bayer greek κ Cnc
 
 
ORBITAL ELEMENTS
 
 
Period (P)80.9y Periastron (T)2030.06y Semi-major axis (a)0.201a
Eccentricity (e)0.55 Inclination (i)79.2° Longitude of periastron (ω)170.7°
Node (Ω)106.2° Notesn ReferenceTok2020e
Equinox Last observation2019 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 107.6 0.294
2001 107.9 0.290
2002 108.2 0.285
2003 108.6 0.280
2004 109.0 0.274
2005 109.4 0.267
2006 109.8 0.260
2007 110.2 0.252
2008 110.6 0.244
2009 111.1 0.235
2010 111.7 0.225
2011 112.2 0.215
2012 112.9 0.204
2013 113.6 0.192
2014 114.4 0.180
2015 115.4 0.166
2016 116.5 0.152
2017 117.8 0.138
2018 119.5 0.122
2019 121.6 0.106
2020 124.6 0.089
2021 129.0 0.072
2022 136.1 0.055
2023 149.7 0.038
2024 179.5 0.026
2025 225.7 0.026
2026 254.6 0.039
2027 268.0 0.054
2028 275.5 0.069
2029 280.4 0.082
2030 284.2 0.089


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


 
  


wds09077%2B1040a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic