11297-0619 A     7

 
 
11H 29M 43.17S -06 18' 31.3" P.A. 139.3 SEP 0.17 MAG 9.70,9.70 SP F8
 
 
Coord 2000
11297-0619
Discov num
A     7
Comp
Coord arcsec 2000
11 29 43.17 -06 18 31.3
Date first
1899
Date last
2014
Obs
19
Pa first
264
Pa last
146
P.A. Now (θ)
139.3°
Sep first
0.5
Sep last
0.2
Sep. Now (ρ)
0.17"
Mag pri
9.70
Mag sec
9.70
delta mag (ΔM)
0
Spectral class
F8 (yellow-white)
Pri motion ra
-014
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
Tycho2
4929-01083-1
HD
99917
ADS
8182
last precise pa
146.3
last precise sep
0.159
 
 
ORBITAL ELEMENTS
 
 
Period (P)204.32y± 11.2 Periastron (T)2050.54y± 19.37 Semi-major axis (a)0.447a± 0.077
Eccentricity (e)0.656± 0.017 Inclination (i)105.1°± 5.8 Longitude of periastron (ω)59.8°± 13.4
Node (Ω)93.3°± 4.9 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.157 188.6
2001 0.155 185.8
2002 0.153 182.8
2003 0.152 179.9
2004 0.151 176.8
2005 0.150 173.8
2006 0.150 170.7
2007 0.150 167.6
2008 0.150 164.5
2009 0.151 161.5
2010 0.152 158.5
2011 0.154 155.5
2012 0.156 152.6
2013 0.158 149.8
2014 0.160 147.0
2015 0.163 144.4
2016 0.165 141.8
2017 0.168 139.3
2018 0.172 136.9
2019 0.175 134.6
2020 0.179 132.4
2021 0.182 130.3
2022 0.186 128.2
2023 0.190 126.3
2024 0.193 124.4
2025 0.197 122.6
2026 0.201 120.8
2027 0.204 119.1
2028 0.207 117.5
2029 0.211 115.9
2030 0.214 114.4

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