09524+2659 STF1389

 
 
09H 52M 26.17S +26 58' 53.8" P.A. 289.8 SEP 2.51 MAG 9.12,9.50 SP K0 DIST. 57.54 PC (187.7 L.Y.)
 
 
Coord 2000
09524+2659
Discov num
STF1389
Comp
Coord arcsec 2000
09 52 26.17 +26 58 53.8
Date first
1830
Date last
2016
Obs
147
Pa first
329
Pa last
283
P.A. Now (θ)
289.8°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
2.51"
Mag pri
9.12
Mag sec
9.50
delta mag (ΔM)
0.38
Spectral class
K0 (yellow-orange)
Pri motion ra
+118
Sec motion ra
+100
Pri motion dec
-180
Sec motion dec
-180
Notes
O (Orbital solution)
rPM=0.08400000000000001 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Leo
SAO
81060
HIP
48429
Tycho2
1964-00034-1
HD
85441
ADS
7551
BD
BD+27 1819
Distance
57.54
Distance ly
187.7
last precise pa
283.4
last precise sep
1.9
 
 
ORBITAL ELEMENTS
 
 
Period (P)1454y Periastron (T)2420.07y Semi-major axis (a)2.773a
Eccentricity (e)0.307 Inclination (i)122.7° Longitude of periastron (ω)265.1°
Node (Ω)80.9° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 2.470 292.5
2001 2.473 292.4
2002 2.475 292.2
2003 2.477 292.1
2004 2.480 291.9
2005 2.482 291.7
2006 2.484 291.6
2007 2.487 291.4
2008 2.489 291.3
2009 2.491 291.1
2010 2.493 290.9
2011 2.495 290.8
2012 2.498 290.6
2013 2.500 290.5
2014 2.502 290.3
2015 2.504 290.2
2016 2.506 290.0
2017 2.508 289.8
2018 2.511 289.7
2019 2.513 289.5
2020 2.515 289.4
2021 2.517 289.2
2022 2.519 289.1
2023 2.521 288.9
2024 2.523 288.8
2025 2.525 288.6
2026 2.527 288.5
2027 2.529 288.3
2028 2.531 288.2
2029 2.533 288.0
2030 2.535 287.8

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