10275+0334 STT 218

 
 
10H 27M 30.21S +03 33' 48.7" P.A. 181.9 SEP 0.39 MAG 7.44,9.60 SP K0 DIST. 138.31 PC (451.17 L.Y.)
 
 
Coord 2000
10275+0334
Discov num
STT 218
Comp
Coord arcsec 2000
10 27 30.21 +03 33 48.7
Date first
1843
Date last
2009
Obs
83
Pa first
58
Pa last
159
P.A. Now (θ)
181.9°
Sep first
0.8
Sep last
0.4
Sep. Now (ρ)
0.39"
Mag pri
7.44
Mag sec
9.60
delta mag (ΔM)
2.16
Spectral class
K0 (yellow-orange)
Pri motion ra
-131
Sec motion ra
-131
Pri motion dec
-022
Sec motion dec
-022
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sextans
HIP
51204
Tycho2
0249-01240-1
HD
90572
ADS
7779
BD
BD+04 2333
Distance
138.31
Distance ly
451.17
last precise pa
158.8
last precise sep
0.39
 
 
ORBITAL ELEMENTS
 
 
Period (P)2450y Periastron (T)1982.6y Semi-major axis (a)2.65a
Eccentricity (e)0.724 Inclination (i)61.4° Longitude of periastron (ω)48.8°
Node (Ω)89.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.419 144.6
2001 0.414 146.5
2002 0.409 148.5
2003 0.405 150.6
2004 0.401 152.7
2005 0.397 154.8
2006 0.394 157.0
2007 0.391 159.2
2008 0.389 161.5
2009 0.388 163.7
2010 0.387 166.0
2011 0.386 168.3
2012 0.386 170.6
2013 0.386 172.9
2014 0.387 175.1
2015 0.389 177.4
2016 0.391 179.7
2017 0.393 181.9
2018 0.396 184.1
2019 0.400 186.2
2020 0.404 188.3
2021 0.408 190.4
2022 0.413 192.4
2023 0.418 194.4
2024 0.424 196.3
2025 0.430 198.2
2026 0.436 200.0
2027 0.443 201.7
2028 0.450 203.5
2029 0.458 205.1
2030 0.465 206.7

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