03096+0512 A 2030 (HD 19620)

 
 
03h 09m 36.30s +05° 12' 10.6" P.A. 335.00 sep 0.3 mag 8.58,9.20 Sp G0 dist. 61.73 pc (201.36 l.y.)
 
 
Coord 2000 03096+0512 Discov num A  2030 Comp Coord arcsec 2000 03 09 36.30 +05 12 10.6
Date first 1909 Date last 2018 Obs 63
Pa first 337 Pa last 334.5 P.A. Now (θ) 322°
Sep first 0.3 Sep last 0.315 Sep. Now (ρ) 0.329"
Mag pri 8.58 Mag sec 9.20 delta mag (ΔM) 0.62 Spectral class G0 (yellow)
Pri motion ra +072 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 19620 Constellation Cetus SAO 111013 HIP 14676
Tycho2 0061-00030-1 HD 19620 ADS 2373 BD BD+04 501
Distance 61.73 Distance ly 201.36
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.455y Periastron (T)1943.408y Semi-major axis (a)0.261a
Eccentricity (e)0.48 Inclination (i)148.7° Longitude of periastron (ω)277°
Node (Ω)53.7° Notesn ReferenceSta1978b
Equinox1900 Last observation1974 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 89.3 0.140
2001 74.0 0.158
2002 61.9 0.176
2003 52.0 0.193
2004 43.6 0.208
2005 36.3 0.222
2006 29.8 0.234
2007 23.9 0.245
2008 18.5 0.255
2009 13.5 0.265
2010 8.9 0.273
2011 4.5 0.280
2012 0.3 0.287
2013 356.2 0.293
2014 352.4 0.299
2015 348.7 0.304
2016 345.1 0.308
2017 341.6 0.313
2018 338.2 0.316
2019 334.8 0.320
2020 331.5 0.322
2021 328.3 0.325
2022 325.1 0.327
2023 322.0 0.329
2024 318.9 0.330
2025 315.8 0.331
2026 312.7 0.331
2027 309.7 0.332
2028 306.6 0.331
2029 303.5 0.330
2030 300.4 0.329


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


 
  


wds03096%2B0512a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic