19143+1904 STF2484

 
 
19H 14M 15.66S +19 03' 50.3" P.A. 239.7 SEP 2.26 MAG 7.93,9.51 SP F8 DIST. 67.2 PC (219.21 L.Y.)
 
 
Coord 2000
19143+1904
Discov num
STF2484
Comp
Coord arcsec 2000
19 14 15.66 +19 03 50.3
Date first
1831
Date last
2015
Obs
118
Pa first
218
Pa last
241
P.A. Now (θ)
239.7°
Sep first
2.5
Sep last
2.1
Sep. Now (ρ)
2.26"
Mag pri
7.93
Mag sec
9.51
delta mag (ΔM)
1.58
Spectral class
F8 (yellow-white)
Pri motion ra
+032
Sec motion ra
+032
Pri motion dec
-027
Sec motion dec
-027
Notes
N O (See Notes, Orbital solution)
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagitta
SAO
104635
HIP
94520
Tycho2
1607-00899-1
HD
180054
ADS
12201
BD
BD+18 3998
Distance
67.2
Distance ly
219.21
last precise pa
240.8
last precise sep
2.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)2316y Periastron (T)730.5y Semi-major axis (a)2.841a
Eccentricity (e)0.33 Inclination (i)58.7° Longitude of periastron (ω)58.3°
Node (Ω)6.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 2.302 237.9
2001 2.300 238.0
2002 2.297 238.1
2003 2.294 238.2
2004 2.292 238.3
2005 2.289 238.4
2006 2.287 238.6
2007 2.284 238.7
2008 2.282 238.8
2009 2.279 238.9
2010 2.276 239.0
2011 2.274 239.2
2012 2.271 239.3
2013 2.269 239.4
2014 2.266 239.5
2015 2.264 239.6
2016 2.261 239.7
2017 2.259 239.9
2018 2.256 240.0
2019 2.254 240.1
2020 2.251 240.2
2021 2.249 240.4
2022 2.246 240.5
2023 2.244 240.6
2024 2.241 240.7
2025 2.238 240.8
2026 2.236 241.0
2027 2.233 241.1
2028 2.231 241.2
2029 2.228 241.3
2030 2.226 241.5

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6