09376+1528 A  2479

 
 
09H 37M 38.81S +15 27' 30.7" P.A. 251.7 SEP 0.28 MAG 9.23,9.87 SP F8 DIST. 174.52 PC (569.28 L.Y.)
 
 
Coord 2000
09376+1528
Discov num
A  2479
Comp
Coord arcsec 2000
09 37 38.81 +15 27 30.7
Date first
1912
Date last
2008
Obs
16
Pa first
258
Pa last
183
P.A. Now (θ)
251.7°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.28"
Mag pri
9.23
Mag sec
9.87
delta mag (ΔM)
0.64
Spectral class
F8 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
98678
HIP
47233
Tycho2
1410-00770-1
HD
83289
ADS
7460
BD
BD+16 2000
Distance
174.52
Distance ly
569.28
last precise pa
183.4
last precise sep
0.392
 
 
ORBITAL ELEMENTS
 
 
Period (P)108y Periastron (T)1961y Semi-major axis (a)0.23a
Eccentricity (e)0.24 Inclination (i)46.5° Longitude of periastron (ω)341°
Node (Ω)82° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1977
label rho theta
2000 0.223 221.0
2001 0.228 223.3
2002 0.233 225.5
2003 0.238 227.7
2004 0.242 229.7
2005 0.246 231.7
2006 0.251 233.6
2007 0.254 235.4
2008 0.258 237.2
2009 0.262 239.0
2010 0.265 240.7
2011 0.268 242.3
2012 0.271 244.0
2013 0.273 245.6
2014 0.275 247.1
2015 0.277 248.7
2016 0.279 250.2
2017 0.280 251.7
2018 0.281 253.2
2019 0.282 254.7
2020 0.282 256.2
2021 0.282 257.6
2022 0.282 259.1
2023 0.281 260.6
2024 0.280 262.1
2025 0.279 263.6
2026 0.277 265.1
2027 0.275 266.7
2028 0.273 268.2
2029 0.271 269.8
2030 0.268 271.5

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