10250+2437 STF1429

 
 
10H 25M 01.79S +24 36' 44.1" P.A. 155.6 SEP 0.77 MAG 9.05,9.34 SP G0V DIST. 67.48 PC (220.12 L.Y.)
 
 
Coord 2000
10250+2437
Discov num
STF1429
Comp
Coord arcsec 2000
10 25 01.79 +24 36 44.1
Date first
1827
Date last
2015
Obs
149
Pa first
272
Pa last
156
P.A. Now (θ)
155.6°
Sep first
1.5
Sep last
0.8
Sep. Now (ρ)
0.77"
Mag pri
9.05
Mag sec
9.34
delta mag (ΔM)
0.29
Spectral class
G0V (yellow)
Pri motion ra
+012
Sec motion ra
+012
Pri motion dec
-194
Sec motion dec
-194
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
81332
HIP
50998
Tycho2
1969-00627-1
HD
90183
ADS
7758
BD
BD+25 2247
Distance
67.48
Distance ly
220.12
last precise pa
156.2
last precise sep
0.78
 
 
ORBITAL ELEMENTS
 
 
Period (P)1280.68y Periastron (T)2170.15y Semi-major axis (a)2.1a
Eccentricity (e)0.28 Inclination (i)107.7° Longitude of periastron (ω)
Node (Ω)113.9° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation1981
label rho theta
2000 0.672 167.6
2001 0.677 166.8
2002 0.682 166.0
2003 0.687 165.2
2004 0.692 164.4
2005 0.698 163.7
2006 0.703 163.0
2007 0.709 162.2
2008 0.714 161.5
2009 0.720 160.8
2010 0.726 160.1
2011 0.731 159.4
2012 0.737 158.8
2013 0.743 158.1
2014 0.749 157.5
2015 0.756 156.8
2016 0.762 156.2
2017 0.768 155.6
2018 0.774 155.0
2019 0.781 154.4
2020 0.787 153.8
2021 0.794 153.2
2022 0.800 152.6
2023 0.807 152.1
2024 0.813 151.5
2025 0.820 151.0
2026 0.827 150.4
2027 0.833 149.9
2028 0.840 149.4
2029 0.847 148.9
2030 0.854 148.4

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