03494-1956 RST 2324

 
 
03h 49m 24.67s -19° 56' 08.1" P.A. 197.00 sep 0.3 mag 10.00,10.00 Sp G5
 
 
Coord 2000 03494-1956 Discov num RST2324 Comp Coord arcsec 2000 03 49 24.67 -19 56 08.1
Date first 1935 Date last 2018 Obs 19
Pa first 208 Pa last 197.2 P.A. Now (θ) 193.4°
Sep first 0.2 Sep last 0.327 Sep. Now (ρ) 0.316"
Mag pri 10.00 Mag sec 10.00 delta mag (ΔM) 0 Spectral class G5 (yellow)
Pri motion ra +003 Sec motion ra
Pri motion dec +006 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus Tycho2 5884-00985-1 Gaia DR2 5094797546338595072
 
 
ORBITAL ELEMENTS
 
 
Period (P)74.94y Periastron (T)1995.01y Semi-major axis (a)0.226a
Eccentricity (e)0.597 Inclination (i)130.9° Longitude of periastron (ω)46.5°
Node (Ω)35.4° Notes ReferenceDoc2019d
Equinox2000 Last observation2015 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 250.8 0.116
2001 242.7 0.136
2002 236.6 0.155
2003 231.8 0.172
2004 227.8 0.189
2005 224.5 0.204
2006 221.5 0.217
2007 219.0 0.230
2008 216.6 0.241
2009 214.5 0.251
2010 212.5 0.261
2011 210.7 0.269
2012 209.0 0.277
2013 207.3 0.283
2014 205.8 0.289
2015 204.2 0.295
2016 202.8 0.299
2017 201.4 0.303
2018 200.0 0.307
2019 198.6 0.310
2020 197.3 0.312
2021 196.0 0.314
2022 194.7 0.315
2023 193.4 0.316
2024 192.1 0.316
2025 190.8 0.316
2026 189.5 0.315
2027 188.2 0.314
2028 186.9 0.313
2029 185.6 0.311
2030 184.2 0.309


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



 
 


wds03494-1956e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic