10294+1211 HDS1507

 
 
10H 29M 25.66S +12 11' 13.3" P.A. 248.7 SEP 0.13 MAG 7.69,8.76 SP F2 DIST. 91.16 PC (297.36 L.Y.)
 
 
Coord 2000
10294+1211
Discov num
HDS1507
Comp
Coord arcsec 2000
10 29 25.66 +12 11 13.3
Date first
1991
Date last
2007
Obs
4
Pa first
44
Pa last
68
P.A. Now (θ)
248.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.13"
Mag pri
7.69
Mag sec
8.76
delta mag (ΔM)
1.07
Spectral class
F2 (yellow-white)
Pri motion ra
-069
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
99157
HIP
51360
Tycho2
0841-00115-1
HD
90823
BD
BD+12 2217
Distance
91.16
Distance ly
297.36
last precise pa
67.5
last precise sep
0.115
 
 
ORBITAL ELEMENTS
 
 
Period (P)23.361y Periastron (T)2011.062y Semi-major axis (a)0.1224a
Eccentricity (e)0.156 Inclination (i)51.6° Longitude of periastron (ω)77.8°
Node (Ω)64.5° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.088 326.2
2001 0.088 344.7
2002 0.092 2.3
2003 0.099 17.8
2004 0.108 31.1
2005 0.114 42.5
2006 0.118 53.0
2007 0.116 63.3
2008 0.109 74.4
2009 0.096 87.9
2010 0.080 106.4
2011 0.067 133.3
2012 0.066 166.8
2013 0.077 195.4
2014 0.094 215.0
2015 0.109 228.7
2016 0.120 239.4
2017 0.125 248.7
2018 0.125 257.7
2019 0.121 267.0
2020 0.114 277.2
2021 0.105 289.1
2022 0.096 303.2
2023 0.090 319.8
2024 0.087 338.0
2025 0.090 356.1
2026 0.097 12.5
2027 0.105 26.5
2028 0.112 38.6
2029 0.117 49.3
2030 0.117 59.5

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