10000+2433 CHR 145

 
 
10H 00M 01.70S +24 33' 09.9" P.A. 170.2 SEP 0.17 MAG 8.12,10.43 SP K0V DIST. 31.69 PC (103.37 L.Y.)
 
 
Coord 2000
10000+2433
Discov num
CHR 145
Comp
Coord arcsec 2000
10 00 01.70 +24 33 09.9
Date first
1989
Date last
2014
Obs
18
Pa first
38
Pa last
183
P.A. Now (θ)
170.2°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.17"
Mag pri
8.12
Mag sec
10.43
delta mag (ΔM)
2.31
Spectral class
K0V (yellow-orange)
Pri motion ra
-236
Sec motion ra
Pri motion dec
-032
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
81134
HIP
49018
Tycho2
1961-01385-1
HD
86590
GL
NN 3580
BD
BD+25 2191
Distance
31.69
Distance ly
103.37
last precise pa
182.6
last precise sep
0.241
 
 
ORBITAL ELEMENTS
 
 
Period (P)44.13y Periastron (T)2003.21y Semi-major axis (a)0.437a
Eccentricity (e)0.748 Inclination (i)96.3° Longitude of periastron (ω)271.6°
Node (Ω)197.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2011
label rho theta
2000 0.267 20.7
2001 0.229 18.9
2002 0.159 15.9
2003 0.033 356.6
2004 0.118 201.2
2005 0.204 196.8
2006 0.248 194.6
2007 0.271 192.9
2008 0.281 191.4
2009 0.283 190.0
2010 0.280 188.6
2011 0.272 187.1
2012 0.262 185.5
2013 0.249 183.8
2014 0.234 181.8
2015 0.218 179.6
2016 0.201 177.0
2017 0.183 173.9
2018 0.165 170.2
2019 0.147 165.5
2020 0.130 159.5
2021 0.113 151.8
2022 0.100 141.7
2023 0.089 128.8
2024 0.084 113.5
2025 0.085 97.5
2026 0.092 82.8
2027 0.104 70.9
2028 0.118 61.6
2029 0.135 54.5
2030 0.153 49.0

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