01028+0214 A 2308

 
 
01h 02m 45.24s +02° 13' 41.6" P.A. 306.00 sep 0.4 mag 9.87,11.73 Sp G5 dist. 111.23 pc (362.83 l.y.)
 
 
Coord 2000 01028+0214 Discov num A  2308 Comp Coord arcsec 2000 01 02 45.24 +02 13 41.6
Date first 1910 Date last 2019 Obs 35
Pa first 338 Pa last 305.9 P.A. Now (θ) 125.1°
Sep first 0.3 Sep last 0.398 Sep. Now (ρ) 0.41"
Mag pri 9.87 Mag sec 11.73 delta mag (ΔM) 1.86 Spectral class G5 (yellow)
Pri motion ra +116 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus HIP 4886 Tycho2 0019-00158-1 Gaia DR2 2539121001095832576
ADS 864 BD BD+01 194 Distance 111.23 Distance ly 362.83
 
 
ORBITAL ELEMENTS
 
 
Period (P)141.8y± 5.52 Periastron (T)1958.95y± 4.96 Semi-major axis (a)0.367a± 0.006
Eccentricity (e)0.124± 0.025 Inclination (i)62.9°± 2.2 Longitude of periastron (ω)10.5°± 13.9
Node (Ω)306.6°± 1.7 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 96.2 0.273
2001 98.2 0.282
2002 100.1 0.292
2003 101.9 0.301
2004 103.5 0.310
2005 105.1 0.319
2006 106.6 0.327
2007 108.0 0.335
2008 109.4 0.343
2009 110.6 0.350
2010 111.9 0.357
2011 113.1 0.364
2012 114.2 0.370
2013 115.3 0.376
2014 116.4 0.382
2015 117.4 0.387
2016 118.5 0.391
2017 119.5 0.395
2018 120.4 0.399
2019 121.4 0.402
2020 122.4 0.405
2021 123.3 0.407
2022 124.2 0.409
2023 125.1 0.410
2024 126.1 0.411
2025 127.0 0.412
2026 127.9 0.412
2027 128.8 0.411
2028 129.7 0.410
2029 130.6 0.409
2030 131.6 0.407


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



 
 


wds01028%2B0214a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic