11141-1526 BU  916

 
 
11H 14M 03.66S -15 26' 07.1" P.A. 196.3 SEP 0.28 MAG 8.20,9.35 SP F2/3III DIST. 204.08 PC (665.71 L.Y.)
 
 
Coord 2000
11141-1526
Discov num
BU  916
Comp
Coord arcsec 2000
11 14 03.66 -15 26 07.1
Date first
1879
Date last
2004
Obs
31
Pa first
0
Pa last
179
P.A. Now (θ)
196.3°
Sep first
0.7
Sep last
0.4
Sep. Now (ρ)
0.28"
Mag pri
8.20
Mag sec
9.35
delta mag (ΔM)
1.15
Spectral class
F2/3III (yellow-white)
Pri motion ra
-037
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Crater
SAO
156552
HIP
54866
Tycho2
6084-01160-1
HD
97635
ADS
8096
BD
BD-14 3289
Distance
204.08
Distance ly
665.71
last precise pa
178.8
last precise sep
0.406
 
 
ORBITAL ELEMENTS
 
 
Period (P)1386.46y Periastron (T)1991.78y Semi-major axis (a)1.177a
Eccentricity (e)0.787 Inclination (i)45.2° Longitude of periastron (ω)350.2°
Node (Ω)143.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.258 156.7
2001 0.259 159.1
2002 0.259 161.4
2003 0.260 163.7
2004 0.261 166.0
2005 0.262 168.3
2006 0.263 170.6
2007 0.264 172.9
2008 0.265 175.1
2009 0.266 177.3
2010 0.267 179.5
2011 0.268 181.7
2012 0.269 183.9
2013 0.271 186.0
2014 0.272 188.1
2015 0.274 190.2
2016 0.276 192.3
2017 0.278 194.3
2018 0.280 196.3
2019 0.282 198.3
2020 0.284 200.3
2021 0.287 202.2
2022 0.290 204.1
2023 0.292 205.9
2024 0.295 207.7
2025 0.298 209.5
2026 0.301 211.2
2027 0.305 212.9
2028 0.308 214.6
2029 0.312 216.2
2030 0.315 217.8

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