03130+4417 STT  51

 
 
03H 12M 57.08S +44 17' 14.7" P.A. 347.9 SEP 0.55 MAG 8.51,8.74 SP G0 DIST. 115.61 PC (377.12 L.Y.)
 
 
Coord 2000
03130+4417
Discov num
STT  51
Comp
Coord arcsec 2000
03 12 57.08 +44 17 14.7
Date first
1843
Date last
2014
Obs
53
Pa first
300
Pa last
340
P.A. Now (θ)
347.9°
Sep first
1.2
Sep last
0.7
Sep. Now (ρ)
0.55"
Mag pri
8.51
Mag sec
8.74
delta mag (ΔM)
0.23
Spectral class
G0 (yellow)
Pri motion ra
+091
Sec motion ra
+091
Pri motion dec
-024
Sec motion dec
-024
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
SAO
38648
HIP
14969
Tycho2
2860-01435-1
HD
19822
ADS
2397
BD
BD+43 653
Distance
115.61
Distance ly
377.12
last precise pa
340.1
last precise sep
0.73
 
 
ORBITAL ELEMENTS
 
 
Period (P)598y± 117 Periastron (T)2051.69y± 6.74 Semi-major axis (a)0.998a± 0.106
Eccentricity (e)0.718± 0.099 Inclination (i)43°± 16 Longitude of periastron (ω)308.9°± 17
Node (Ω)148.6°± 30.7 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.745 335.4
2001 0.735 336.0
2002 0.724 336.5
2003 0.714 337.1
2004 0.704 337.7
2005 0.693 338.4
2006 0.682 339.0
2007 0.671 339.7
2008 0.660 340.4
2009 0.649 341.1
2010 0.638 341.8
2011 0.626 342.6
2012 0.614 343.4
2013 0.603 344.2
2014 0.591 345.1
2015 0.579 346.0
2016 0.566 346.9
2017 0.554 347.9
2018 0.542 348.9
2019 0.529 349.9
2020 0.516 351.1
2021 0.503 352.2
2022 0.490 353.5
2023 0.477 354.8
2024 0.464 356.2
2025 0.450 357.6
2026 0.437 359.2
2027 0.423 0.8
2028 0.409 2.6
2029 0.396 4.5
2030 0.382 6.5

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