03213+1038 HEI 449

 
 
03H 21M 18.10S +10 37' 47.4" P.A. 53.2 SEP 0.27 MAG 9.19,9.43 SP F8 DIST. 94.34 PC (307.74 L.Y.)
 
 
Coord 2000
03213+1038
Discov num
HEI 449
Comp
Coord arcsec 2000
03 21 18.10 +10 37 47.4
Date first
1987
Date last
2015
Obs
16
Pa first
61
Pa last
57
P.A. Now (θ)
53.2°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.27"
Mag pri
9.19
Mag sec
9.43
delta mag (ΔM)
0.24
Spectral class
F8 (yellow-white)
Pri motion ra
-037
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aries
SAO
93402
HIP
15633
Tycho2
0652-00265-1
HD
20779
BD
BD+10 432
Distance
94.34
Distance ly
307.74
last precise pa
57.1
last precise sep
0.297
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.25y Periastron (T)2001.42y Semi-major axis (a)0.155a
Eccentricity (e)0.793 Inclination (i)117.5° Longitude of periastron (ω)185.8°
Node (Ω)57.5° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.046 3.5
2001 0.028 272.8
2002 0.023 162.4
2003 0.062 91.9
2004 0.105 78.9
2005 0.140 73.1
2006 0.169 69.4
2007 0.194 66.8
2008 0.214 64.8
2009 0.232 63.0
2010 0.246 61.5
2011 0.257 60.2
2012 0.266 58.9
2013 0.272 57.7
2014 0.276 56.6
2015 0.277 55.4
2016 0.276 54.3
2017 0.273 53.2
2018 0.268 52.0
2019 0.260 50.7
2020 0.250 49.4
2021 0.237 48.0
2022 0.222 46.3
2023 0.204 44.4
2024 0.182 42.1
2025 0.157 39.1
2026 0.128 34.9
2027 0.095 27.9
2028 0.056 11.8
2029 0.026 302.6
2030 0.025 200.8

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