02396-5425 HU 1350

 
 
02H 39M 37.90S -54 25' 00.8" P.A. 42.8 SEP 0.87 MAG 9.52,9.94 SP G0V DIST. 101.32 PC (330.51 L.Y.)
 
 
Coord 2000
02396-5425
Discov num
HU 1350
Comp
Coord arcsec 2000
02 39 37.90 -54 25 00.8
Date first
1911
Date last
2011
Obs
18
Pa first
210
Pa last
45
P.A. Now (θ)
42.8°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.87"
Mag pri
9.52
Mag sec
9.94
delta mag (ΔM)
0.42
Spectral class
G0V (yellow)
Pri motion ra
-034
Sec motion ra
-034
Pri motion dec
-014
Sec motion dec
-014
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Horologium
SAO
232850
HIP
12397
Tycho2
8484-01492-1
HD
16795
CP
CP-54 464
Distance
101.32
Distance ly
330.51
last precise pa
45
last precise sep
0.811
 
 
ORBITAL ELEMENTS
 
 
Period (P)250y Periastron (T)1903y Semi-major axis (a)0.79a
Eccentricity (e)0.434 Inclination (i)124.7° Longitude of periastron (ω)135.9°
Node (Ω)7.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000 0.749 54.8
2001 0.756 54.0
2002 0.764 53.2
2003 0.771 52.4
2004 0.778 51.6
2005 0.785 50.9
2006 0.792 50.1
2007 0.799 49.4
2008 0.806 48.7
2009 0.813 48.0
2010 0.820 47.3
2011 0.827 46.6
2012 0.834 46.0
2013 0.840 45.3
2014 0.847 44.7
2015 0.853 44.0
2016 0.860 43.4
2017 0.866 42.8
2018 0.872 42.2
2019 0.878 41.6
2020 0.884 41.0
2021 0.890 40.4
2022 0.896 39.8
2023 0.902 39.2
2024 0.908 38.7
2025 0.913 38.1
2026 0.919 37.6
2027 0.924 37.0
2028 0.929 36.5
2029 0.934 36.0
2030 0.939 35.4

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