00520+3154 A 924

 
 
00h 52m 01.02s +31 53' 59.3" P.A. 306.00 sep 0.4 mag 9.80,9.90 Sp F8
 
 
Coord 2000 00520+3154 Discov num A   924 Comp Coord arcsec 2000 00 52 01.02 +31 53 59.3
Date first 1905 Date last 2017 Obs 28
Pa first 254 Pa last 305.6 P.A. Now (θ) 305.6°
Sep first 0.4 Sep last 0.38 Sep. Now (ρ) 0.38"
Mag pri 9.80 Mag sec 9.90 delta mag (ΔM) 0.1 Spectral class F8 (yellow-white)
Pri motion ra -008 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pisces Tycho2 2280-01106-1 ADS 705
 
 
ORBITAL ELEMENTS
 
 
Period (P)182.57y± 16.74 Periastron (T)1986.54y± 0.53 Semi-major axis (a)0.296a± 0.001
Eccentricity (e)0.704± 0.021 Inclination (i)154.2°± 6.2 Longitude of periastron (ω)318.2°± 17.6
Node (Ω)44.8°± 18.1 Notes ReferenceHrt2009
Equinox Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 337.9 0.182
2001 334.7 0.190
2002 331.8 0.197
2003 329.1 0.205
2004 326.5 0.212
2005 324.2 0.220
2006 321.9 0.227
2007 319.9 0.234
2008 317.9 0.241
2009 316.1 0.248
2010 314.3 0.255
2011 312.7 0.262
2012 311.1 0.268
2013 309.6 0.275
2014 308.2 0.281
2015 306.8 0.287
2016 305.5 0.293
2017 304.2 0.299
2018 303.0 0.305
2019 301.9 0.311
2020 300.7 0.317
2021 299.7 0.322
2022 298.6 0.328
2023 297.6 0.333
2024 296.6 0.338
2025 295.7 0.343
2026 294.7 0.348
2027 293.8 0.353
2028 293.0 0.358
2029 292.1 0.363
2030 291.3 0.367


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



 
 


wds00520%2B3154d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic