11293+3025 L    11

 
 
11H 29M 18.83S +30 25' 28.3" P.A. 279.6 SEP 1.02 MAG 7.22,10.35 SP F6V DIST. 65.66 PC (214.18 L.Y.)
 
 
Coord 2000
11293+3025
Discov num
L    11
Comp
Coord arcsec 2000
11 29 18.83 +30 25 28.3
Date first
1899
Date last
2013
Obs
38
Pa first
5
Pa last
280
P.A. Now (θ)
279.6°
Sep first
0.8
Sep last
1.0
Sep. Now (ρ)
1.02"
Mag pri
7.22
Mag sec
10.35
delta mag (ΔM)
3.13
Spectral class
F6V (yellow-white)
Pri motion ra
+033
Sec motion ra
+032
Pri motion dec
-141
Sec motion dec
-137
Notes
O (Orbital solution)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
62574
HIP
56054
Tycho2
2523-00497-1
HD
99832
ADS
8177
BD
BD+31 2270
Distance
65.66
Distance ly
214.18
last precise pa
279.8
last precise sep
1.027
 
 
ORBITAL ELEMENTS
 
 
Period (P)254.9y± 7.9 Periastron (T)2075y± 61 Semi-major axis (a)1.18a± 0.12
Eccentricity (e)0.65± 0.12 Inclination (i)117°± 98 Longitude of periastron (ω)92°± 48
Node (Ω)246°± 20 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.999 290.8
2001 1.001 290.1
2002 1.003 289.4
2003 1.005 288.7
2004 1.007 288.1
2005 1.009 287.4
2006 1.011 286.7
2007 1.013 286.1
2008 1.014 285.4
2009 1.016 284.8
2010 1.017 284.1
2011 1.019 283.5
2012 1.020 282.8
2013 1.021 282.1
2014 1.022 281.5
2015 1.023 280.8
2016 1.023 280.2
2017 1.024 279.6
2018 1.024 278.9
2019 1.024 278.3
2020 1.024 277.6
2021 1.024 277.0
2022 1.024 276.3
2023 1.023 275.7
2024 1.022 275.0
2025 1.021 274.4
2026 1.020 273.7
2027 1.018 273.1
2028 1.016 272.4
2029 1.014 271.8
2030 1.011 271.1

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