09005+3225 HU  718

 
 
09H 00M 30.68S +32 25' 03.2" P.A. 30.3 SEP 0.15 MAG 9.30,9.49 SP G5 DIST. 89.05 PC (290.48 L.Y.)
 
 
Coord 2000
09005+3225
Discov num
HU  718
Comp
Coord arcsec 2000
09 00 30.68 +32 25 03.2
Date first
1904
Date last
2009
Obs
36
Pa first
201
Pa last
50
P.A. Now (θ)
30.3°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.15"
Mag pri
9.30
Mag sec
9.49
delta mag (ΔM)
0.19
Spectral class
G5 (yellow)
Pri motion ra
+046
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cancer
SAO
61192
HIP
44230
Tycho2
2492-00013-1
HD
76975
ADS
7124
BD
BD+32 1826
Distance
89.05
Distance ly
290.48
last precise pa
50.4
last precise sep
0.267
 
 
ORBITAL ELEMENTS
 
 
Period (P)139.765y± 1.185 Periastron (T)2019.142y± 0.887 Semi-major axis (a)0.552a± 0.061
Eccentricity (e)0.783± 0.036 Inclination (i)102.1°± 2.4 Longitude of periastron (ω)79.3°± 2.3
Node (Ω)34.3°± 6.5 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.272 58.2
2001 0.275 56.8
2002 0.278 55.5
2003 0.280 54.2
2004 0.281 52.9
2005 0.282 51.6
2006 0.282 50.3
2007 0.281 49.0
2008 0.280 47.7
2009 0.277 46.4
2010 0.273 45.0
2011 0.266 43.6
2012 0.258 42.2
2013 0.246 40.5
2014 0.231 38.8
2015 0.211 36.7
2016 0.184 34.0
2017 0.147 30.3
2018 0.098 23.3
2019 0.040 357.3
2020 0.046 248.0
2021 0.105 226.5
2022 0.157 220.4
2023 0.201 217.2
2024 0.237 215.0
2025 0.267 213.4
2026 0.293 212.1
2027 0.315 211.0
2028 0.334 210.0
2029 0.350 209.1
2030 0.365 208.3

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