20444+1945 CAR 2 (HD 352860)

 
 
20h 44m 21.94s +19° 44' 57.9" P.A. 57.00 sep 0.3 mag 10.29,11.60 Sp K6V dist. 21.08 pc (68.76 l.y.)
 
 
Coord 2000 20444+1945 Discov num CAR   2 Comp Coord arcsec 2000 20 44 21.94 +19 44 57.9
Date first 2000 Date last 2022 Obs 45
Pa first 340 Pa last 57.4 P.A. Now (θ) 38.3°
Sep first 0.2 Sep last 0.329 Sep. Now (ρ) 0.34"
Mag pri 10.29 Mag sec 11.60 delta mag (ΔM) 1.31 Spectral class K6V (yellow-orange)
Pri motion ra -016 Sec motion ra
Pri motion dec -600 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 352860 Constellation Delphinus HIP 102357 Tycho2 1642-02848-1
Gaia DR2 1814070838667074560 HD 352860 BD BD+19 4499 Distance 21.08
Distance ly 68.76
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.73y± 0.03 Periastron (T)2004.43y± 0.04 Semi-major axis (a)281.2m± 1.7
Eccentricity (e)0.6± 0.004 Inclination (i)129°± 0.6 Longitude of periastron (ω)245.6°± 0.7
Node (Ω)78.9°± 0.5 Notes ReferenceMit2021
Equinox Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 349.0 0.250
2001 331.8 0.228
2002 311.3 0.209
2003 286.5 0.186
2004 247.6 0.125
2005 120.1 0.108
2006 81.8 0.225
2007 67.5 0.293
2008 57.5 0.328
2009 48.9 0.342
2010 40.6 0.342
2011 32.0 0.331
2012 22.7 0.314
2013 12.1 0.292
2014 359.6 0.267
2015 344.6 0.244
2016 326.6 0.222
2017 305.2 0.204
2018 278.5 0.176
2019 225.5 0.095
2020 103.1 0.144
2021 77.1 0.248
2022 64.5 0.305
2023 55.1 0.333
2024 46.6 0.343
2025 38.3 0.340
2026 29.6 0.327
2027 20.0 0.308
2028 8.9 0.285
2029 355.8 0.261
2030 340.1 0.238
2031 321.2 0.217
2032 298.6 0.198
2033 269.2 0.162
2034 186.1 0.073
2035 92.9 0.178
2036 73.2 0.267
2037 61.8 0.315
2038 52.7 0.337
2039 44.4 0.343
2040 36.0 0.337
2041 27.1 0.323
2042 17.1 0.302
2043 5.6 0.279
2044 351.9 0.254
2045 335.3 0.232
2046 315.5 0.212
2047 291.7 0.191
2048 257.9 0.143
2049 140.5 0.085
2050 85.8 0.207


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds20444%2B1945b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic