12422+2622 A 1851 (HD 110465)

 
 
12h 42m 10.75s +26° 21' 39.5" P.A. 91.00 sep 0.3 mag 10.09,10.08 Sp K4V dist. 44.01 pc (143.56 l.y.)
 
 
Coord 2000 12422+2622 Discov num A  1851 Comp Coord arcsec 2000 12 42 10.75 +26 21 39.5
Date first 1908 Date last 2019 Obs 95
Pa first 178 Pa last 90.7 P.A. Now (θ) 115°
Sep first 0.4 Sep last 0.29 Sep. Now (ρ) 0.314"
Mag pri 10.09 Mag sec 10.08 delta mag (ΔM) 0.01 Spectral class K4V (yellow-orange)
Pri motion ra +002 Sec motion ra +002
Pri motion dec +080 Sec motion dec +080
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 110465 Constellation Coma Berenices SAO 82443 HIP 61986
Tycho2 1992-00073-1 HD 110465 ADS 8635 BD BD+27 2163
Distance 44.01 Distance ly 143.56
 
 
ORBITAL ELEMENTS
 
 
Period (P)61.3y Periastron (T)1959.3y Semi-major axis (a)0.415a
Eccentricity (e)0.252 Inclination (i)26° Longitude of periastron (ω)319.5°
Node (Ω)129.8° Notesn ReferenceHei1998
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 307.7 0.485
2001 311.5 0.477
2002 315.4 0.469
2003 319.5 0.460
2004 323.8 0.449
2005 328.3 0.438
2006 333.0 0.425
2007 338.0 0.412
2008 343.4 0.398
2009 349.1 0.383
2010 355.4 0.368
2011 2.1 0.354
2012 9.4 0.339
2013 17.4 0.326
2014 26.0 0.314
2015 35.2 0.304
2016 45.0 0.297
2017 55.2 0.292
2018 65.6 0.290
2019 76.0 0.291
2020 86.3 0.295
2021 96.2 0.300
2022 105.8 0.306
2023 115.0 0.314
2024 123.7 0.321
2025 132.1 0.328
2026 140.1 0.335
2027 147.8 0.342
2028 155.2 0.348
2029 162.3 0.354
2030 169.2 0.360


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



 
 


wds12422%2B2622a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic