11035+5432 A  1590

 
 
11H 03M 27.91S +54 31' 33.0" P.A. 331.2 SEP 1.51 MAG 8.95,9.64 SP K2V DIST. 43.37 PC (141.47 L.Y.)
 
 
Coord 2000
11035+5432
Discov num
A  1590
Comp
Coord arcsec 2000
11 03 27.91 +54 31 33.0
Date first
1907
Date last
2015
Obs
78
Pa first
262
Pa last
330
P.A. Now (θ)
331.2°
Sep first
0.4
Sep last
1.5
Sep. Now (ρ)
1.51"
Mag pri
8.95
Mag sec
9.64
delta mag (ΔM)
0.69
Spectral class
K2V (yellow-orange)
Pri motion ra
-126
Sec motion ra
-126
Pri motion dec
+077
Sec motion dec
+077
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
27886
HIP
54040
Tycho2
3824-00351-1
HD
95690
ADS
8032
BD
BD+55 1439
Distance
43.37
Distance ly
141.47
last precise pa
329.7
last precise sep
1.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)202.24y Periastron (T)1917.96y Semi-major axis (a)0.857a
Eccentricity (e)0.76 Inclination (i)157.7° Longitude of periastron (ω)1.8°
Node (Ω)152.1° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1984
label rho theta
2000 1.470 337.1
2001 1.474 336.8
2002 1.478 336.4
2003 1.481 336.1
2004 1.485 335.7
2005 1.488 335.3
2006 1.491 335.0
2007 1.493 334.6
2008 1.496 334.3
2009 1.498 333.9
2010 1.500 333.6
2011 1.502 333.2
2012 1.503 332.9
2013 1.505 332.5
2014 1.506 332.2
2015 1.507 331.8
2016 1.507 331.5
2017 1.508 331.2
2018 1.508 330.8
2019 1.508 330.5
2020 1.508 330.1
2021 1.508 329.8
2022 1.507 329.4
2023 1.506 329.1
2024 1.505 328.7
2025 1.504 328.4
2026 1.503 328.0
2027 1.501 327.7
2028 1.499 327.3
2029 1.497 327.0
2030 1.495 326.6

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic