14462-2111 FIN 309 (17 Lib)

 
 
14h 46m 10.92s -21 10' 32.6" P.A. 170.2 sep 0.22 mag 7.30,7.30 Sp G1V dist. 41.25 pc (134.56 l.y.)
 
 
Coord 2000
14462-2111
Discov num
FIN 309
Comp
Coord arcsec 2000
14 46 10.92 -21 10 32.6
Date first
1935
Date last
2015
Obs
64
Pa first
307
Pa last
143
P.A. Now (θ)
170.2°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.22"
Mag pri
7.30
Mag sec
7.30
delta mag (ΔM)
0
Spectral class
G1V (yellow)
Pri motion ra
-058
Sec motion ra
Pri motion dec
-097
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
17 Lib
Constellation
Libra
SAO
182858
HIP
72217
Tycho2
6166-00454-1
HD
129980
HR
5504
BD
BD-20 4087
Flamsteed
17 Librae
Flamsteed name
17 Lib
Distance
41.25
Distance ly
134.56
last precise pa
143.4
last precise sep
0.284
 
 
ORBITAL ELEMENTS
 
 
Period (P)12.929y± 0.021 Periastron (T)1995.249y± 0.055 Semi-major axis (a)0.1814a± 0.0021
Eccentricity (e)0.6428± 0.0051 Inclination (i)25.9°± 2.6 Longitude of periastron (ω)39.5°± 4.7
Node (Ω)281.9°± 4.1 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.278 125.1
2001 0.287 133.0
2002 0.285 140.7
2003 0.273 148.8
2004 0.251 157.9
2005 0.219 169.3
2006 0.177 185.5
2007 0.123 214.2
2008 0.068 291.6
2009 0.103 56.8
2010 0.176 90.7
2011 0.226 106.3
2012 0.259 117.0
2013 0.279 125.7
2014 0.287 133.5
2015 0.284 141.2
2016 0.272 149.4
2017 0.249 158.6
2018 0.217 170.2
2019 0.173 186.9
2020 0.119 217.2
2021 0.065 301.7
2022 0.109 60.8
2023 0.180 92.1
2024 0.229 107.2
2025 0.261 117.7
2026 0.280 126.3
2027 0.287 134.1
2028 0.284 141.8
2029 0.270 150.0
2030 0.247 159.4

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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14462-2111 FIN 309 2001 55 317 0.3 7.30 7.30 G1V NOD 144610.92-211032.6
14462-2111 FIN 309 2009 59 70 0.1 7.30 7.30 G1V NOD 144610.92-211032.6
14462-2111 FIN 309 2010 61 94 0.2 7.30 7.30 G1V NOD 144610.92-211032.6
14462-2111 FIN 309 2011 62 110 0.2 7.30 7.30 G1V NOD 144610.92-211032.6
14462-2111 FIN 309 2014 63 136 0.3 7.30 7.30 G1V NO 144610.92-211032.6
14462-2111 FIN 309 2015 64 143 0.3 7.30 7.30 G1V NO 144610.92-211032.6

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