09572+4554 STF 1394 (HD 86057)

 
 
09h 57m 14.57s +45° 54' 10.1" P.A. 250.00 sep 4.5 mag 8.89,9.75 Sp G0 dist. 58.11 pc (189.55 l.y.)
 
 
Coord 2000 09572+4554 Discov num STF1394 Comp Coord arcsec 2000 09 57 14.57 +45 54 10.1
Date first 1828 Date last 2019 Obs 65
Pa first 237 Pa last 250.3 P.A. Now (θ) 250.3°
Sep first 3.8 Sep last 4.484 Sep. Now (ρ) 4.484"
Mag pri 8.89 Mag sec 9.75 delta mag (ΔM) 0.86 Spectral class G0 (yellow)
Pri motion ra -025 Sec motion ra -025
Pri motion dec -083 Sec motion dec -085
Notes O (Orbital solution)
rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 86057 Constellation Ursa Major SAO 43111 HIP 48804
Tycho2 3433-00329-1 Gaia DR2 820692216460834944 HD 86057 GC 13688
ADS 7588 BD BD+46 1565 Distance 58.11 Distance ly 189.55
 
 
ORBITAL ELEMENTS
 
 
Period (P)2848y± 640 Periastron (T)1163y± 180 Semi-major axis (a)3.53a± 0.52
Eccentricity (e)0.46± 0.16 Inclination (i)45°± 9 Longitude of periastron (ω)21°± 24
Node (Ω)78°± 8 Notes ReferenceKiy2020
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 248.9 4.449
2001 248.9 4.452
2002 249.0 4.454
2003 249.0 4.457
2004 249.1 4.460
2005 249.1 4.463
2006 249.2 4.466
2007 249.2 4.468
2008 249.3 4.471
2009 249.3 4.474
2010 249.4 4.477
2011 249.4 4.479
2012 249.5 4.482
2013 249.5 4.485
2014 249.6 4.487
2015 249.6 4.490
2016 249.7 4.493
2017 249.7 4.496
2018 249.7 4.498
2019 249.8 4.501
2020 249.8 4.504
2021 249.9 4.506
2022 249.9 4.509
2023 250.0 4.512
2024 250.0 4.514
2025 250.1 4.517
2026 250.1 4.519
2027 250.2 4.522
2028 250.2 4.525
2029 250.3 4.527
2030 250.3 4.530


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


 
  


wds09572%2B4554a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic