11116-1459 BEU  15

 
 
11H 11M 33.12S -14 59' 28.9" P.A. 85 SEP 0.1 MAG 9.05, SP K4 DIST. 21.57 PC (70.36 L.Y.)
 
 
Coord 2000
11116-1459
Discov num
BEU  15
Comp
Coord arcsec 2000
11 11 33.12 -14 59 28.9
Date first
2000
Date last
2000
Obs
1
Pa first
85
Pa last
85
P.A. Now (θ)
85°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.05
Mag sec
delta mag (ΔM)
Spectral class
K4 (yellow-orange)
Pri motion ra
+698
Sec motion ra
Pri motion dec
-598
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85
Precise sep
0.138
Constellation
Crater
SAO
156518
HIP
54677
Tycho2
5507-00552-1
HD
97233
GL
Gl 416
BD
BD-14 3277
Distance
21.57
Distance ly
70.36
last precise pa
85
last precise sep
0.138
 
 
ORBITAL ELEMENTS
 
 
Period (P)939.278d (2.57y)± 28.9558 Periastron (T)48028.4102d (1990.373y)± 16.9524 Semi-major axis (a)38.69m± 15.38
Eccentricity (e)0.7726± 0.1577 Inclination (i)89.1°± 2.44 Longitude of periastron (ω)258.78°± 10.77
Node (Ω)88.48°± 4.47 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1991
label rho theta
2000-01-01 0.009 262.7
2001-01-01 0.030 89.3
2002-01-01 0.012 93.7
2003-01-01 0.019 267.4
2004-01-01 0.028 90.2
2005-01-01 0.004 253.8
2006-01-01 0.026 88.9
2007-01-01 0.016 92.2
2008-01-01 0.017 266.5
2009-01-01 0.030 89.9
2010-01-01 0.002 123.3
2011-01-01 0.011 88.0
2012-01-01 0.021 91.3
2013-01-01 0.013 265.2
2014-01-01 0.031 89.6
2015-01-01 0.007 97.6
2016-01-01 0.016 268.2
2017-01-01 0.024 90.7
2018-01-01 0.009 262.7
2019-01-01 0.030 89.2
2020-01-01 0.012 93.7
2021-01-01 0.019 267.3
2022-01-01 0.028 90.2
2023-01-01 0.004 253.5
2024-01-01 0.025 88.9
2025-01-01 0.016 92.1
2026-01-01 0.017 266.5
2027-01-01 0.030 89.9
2028-01-01 0.002 122.3
2029-01-01 0.011 87.9
2030-01-01 0.021 91.3

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