02284+1722 A 2330 (HD 15327)

02h 28m 22.85s +17° 21' 57.6" P.A. 210.00 sep 1.2 mag 9.38,9.56 Sp F5

Coord 2000 02284+1722 Discov num A  2330 Comp Coord arcsec 2000 02 28 22.85 +17 21 57.6
Date first 1910 Date last 2018 Obs 53
Pa first 165 Pa last 210.1 P.A. Now (θ) 210.1°
Sep first 0.8 Sep last 1.211 Sep. Now (ρ) 1.211"
Mag pri 9.38 Mag sec 9.56 delta mag (ΔM) 0.18 Spectral class F5 (yellow-white)
Pri motion ra +095 Sec motion ra +095
Pri motion dec -008 Sec motion dec -008
Notes O (Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 15327 Constellation Aries SAO 92966 Tycho2 1215-00357-1
Gaia DR2 82603594175480320 HD 15327 ADS 1874




ORBITAL ELEMENTS

Period (P)1124.6993y± 568.0166 Periastron (T)2087.3032y± 106.7579 Semi-major axis (a)3.05697a± 1.77503
Eccentricity (e)0.78777± 0.17756 Inclination (i)75.868°± 9.035 Longitude of periastron (ω)246.761°± 25.475
Node (Ω)47.391°± 19.744 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000 203.4 1.186
2001 203.7 1.188
2002 204.0 1.189
2003 204.4 1.191
2004 204.7 1.192
2005 205.0 1.194
2006 205.3 1.195
2007 205.6 1.196
2008 205.9 1.198
2009 206.2 1.199
2010 206.6 1.200
2011 206.9 1.201
2012 207.2 1.202
2013 207.5 1.202
2014 207.8 1.203
2015 208.1 1.204
2016 208.4 1.204
2017 208.7 1.204
2018 209.0 1.205
2019 209.4 1.205
2020 209.7 1.205
2021 210.0 1.205
2022 210.3 1.205
2023 210.6 1.204
2024 210.9 1.204
2025 211.2 1.203
2026 211.5 1.202
2027 211.8 1.201
2028 212.2 1.200
2029 212.5 1.199
2030 212.8 1.198


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



 
 


wds02284%2B1722a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic