08592+4803 HU 628 BC

 
 
08h 59m 12.53s +48 02' 28.7" P.A. 206.00 sep 0.9 mag 9.90,10.10 Sp M1
 
 
Coord 2000 08592+4803 Discov num HU  628 Comp BC Coord arcsec 2000 08 59 12.53 +48 02 28.7
Date first 1903 Date last 2017 Obs 69
Pa first 203 Pa last 206.1 P.A. Now (θ) 199.1°
Sep first 0.9 Sep last 0.915 Sep. Now (ρ) 0.89"
Mag pri 9.90 Mag sec 10.10 delta mag (ΔM) 0.2 Spectral class M1 (red)
Pri motion ra -441 Sec motion ra
Pri motion dec -215 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
08592+4803 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Talitha 42630 08 59 12 +48 02 31 HJ 2477 A,BC 2017 81 90 2.4 3.13 9.20 6.07 Y
Show 08 59 13 +48 02 29 HU 628 BC 2017 69 206 0.9 9.90 10.10 0.20 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major ADS 7114
 
 
ORBITAL ELEMENTS
 
 
Period (P)39.4y± 0.1 Periastron (T)1999.1y± 0.7 Semi-major axis (a)0.7a± 0.01
Eccentricity (e)0.35± 0.02 Inclination (i)111.6°± 1.1 Longitude of periastron (ω)354.2°± 4.6
Node (Ω)24.5°± 1.3 Notesn ReferenceDRs2012
Equinox Last observation2011 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 19.9 0.452
2001 11.9 0.420
2002 1.9 0.366
2003 348.0 0.303
2004 327.4 0.250
2005 300.0 0.232
2006 273.8 0.261
2007 255.2 0.323
2008 243.2 0.399
2009 235.2 0.479
2010 229.4 0.557
2011 225.0 0.630
2012 221.5 0.697
2013 218.6 0.757
2014 216.0 0.808
2015 213.8 0.852
2016 211.8 0.888
2017 209.9 0.914
2018 208.0 0.933
2019 206.3 0.942
2020 204.6 0.943
2021 202.8 0.934
2022 201.0 0.917
2023 199.1 0.890
2024 197.1 0.855
2025 194.9 0.810
2026 192.3 0.756
2027 189.4 0.694
2028 185.8 0.623
2029 181.3 0.544
2030 175.1 0.460


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



 
 


wds08592%2B4803e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic