15277+0606 STF1944

 
 
15H 27M 42.14S +06 06' 04.5" P.A. 293.4 SEP 0.61 MAG 8.32,8.79 SP F8 DIST. 196.08 PC (639.61 L.Y.)
 
 
Coord 2000
15277+0606
Discov num
STF1944
Comp
Coord arcsec 2000
15 27 42.14 +06 06 04.5
Date first
1832
Date last
2013
Obs
129
Pa first
342
Pa last
295
P.A. Now (θ)
293.4°
Sep first
1.3
Sep last
0.7
Sep. Now (ρ)
0.61"
Mag pri
8.32
Mag sec
8.79
delta mag (ΔM)
0.47
Spectral class
F8 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-036
Sec motion dec
-036
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
HIP
75682
Tycho2
0349-00765-1
HD
137761
ADS
9647
BD
BD+06 3048
Distance
196.08
Distance ly
639.61
last precise pa
295.2
last precise sep
0.657
 
 
ORBITAL ELEMENTS
 
 
Period (P)1030y Periastron (T)2089.3y Semi-major axis (a)1.131a
Eccentricity (e)0.5 Inclination (i)126.6° Longitude of periastron (ω)294.8°
Node (Ω)142.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.730 302.7
2001 0.724 302.3
2002 0.717 301.8
2003 0.711 301.4
2004 0.705 300.9
2005 0.698 300.4
2006 0.692 300.0
2007 0.685 299.5
2008 0.679 299.0
2009 0.672 298.5
2010 0.666 297.9
2011 0.659 297.4
2012 0.653 296.9
2013 0.646 296.3
2014 0.640 295.8
2015 0.633 295.2
2016 0.626 294.6
2017 0.620 294.0
2018 0.613 293.4
2019 0.606 292.8
2020 0.599 292.2
2021 0.593 291.5
2022 0.586 290.9
2023 0.579 290.2
2024 0.572 289.5
2025 0.566 288.8
2026 0.559 288.0
2027 0.552 287.3
2028 0.545 286.5
2029 0.539 285.7
2030 0.532 284.9

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