08507+0752 VDK 3 (HP Cnc)

 
 
08h 50m 42.33s +07° 51' 52.4" P.A. 199.00 sep 1.0 mag 9.91,10.09 Sp K0V dist. 23.09 pc (75.32 l.y.)
 
 
Coord 2000 08507+0752 Discov num VDK   3 Comp Coord arcsec 2000 08 50 42.33 +07 51 52.4
Date first 1912 Date last 2020 Obs 117
Pa first 82 Pa last 198.9 P.A. Now (θ) 198.9°
Sep first 1.9 Sep last 1 Sep. Now (ρ) 1"
Mag pri 9.91 Mag sec 10.09 delta mag (ΔM) 0.18 Spectral class K0V (yellow-orange)
Pri motion ra -069 Sec motion ra
Pri motion dec +009 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name HP Cnc Constellation Cancer HIP 43422 Tycho2 0810-00175-1
Gaia DR2 596779044285041792 ADS 7044 GL Gl 323A BD BD+08 2131
Distance 23.09 Distance ly 75.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)223.9709y± 49.8554 Periastron (T)2044.3921y± 9.3236 Semi-major axis (a)2.21221a± 0.34151
Eccentricity (e)0.25697± 0.09162 Inclination (i)56.16°± 5.079 Longitude of periastron (ω)142.122°± 37.028
Node (Ω)124.402°± 3.498 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 150.3 1.821
2001 151.6 1.782
2002 153.0 1.743
2003 154.4 1.703
2004 155.9 1.663
2005 157.5 1.622
2006 159.1 1.581
2007 160.9 1.540
2008 162.7 1.499
2009 164.6 1.459
2010 166.7 1.418
2011 168.8 1.378
2012 171.1 1.339
2013 173.6 1.300
2014 176.1 1.262
2015 178.9 1.226
2016 181.8 1.191
2017 184.9 1.158
2018 188.1 1.127
2019 191.5 1.098
2020 195.1 1.072
2021 198.9 1.049
2022 202.8 1.029
2023 206.9 1.013
2024 211.1 1.001
2025 215.3 0.992
2026 219.6 0.988
2027 224.0 0.988
2028 228.3 0.992
2029 232.6 1.000
2030 236.8 1.011


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



 
 


wds08507%2B0752c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic