15317+0053 TOK  48

 
 
15h 31m 42.89s +00 53' 01.5" P.A. 190.00 mag 7.80,8.90 Sp G0 dist. 50.84 pc (165.84 l.y.)
 
 
Coord 2000
15317+0053
Discov num
TOK  48
Comp
Coord arcsec 2000
15 31 42.89 +00 53 01.5
Date first
2009
Date last
2020
Obs
17
Pa first
68
Pa last
190
P.A. Now (θ)
190°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.80
Mag sec
8.90
delta mag (ΔM)
1.1
Spectral class
G0 (yellow)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-090
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
190.4
Precise sep
0.039
Constellation
Serpens
SAO
121042
HIP
76031
Tycho2
0350-00754-1
Gaia DR2
4417762133275591552
HD
138369
BD
BD+01 3092
Distance
50.84
Distance ly
165.84
last precise pa
190.4
last precise sep
0.039
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.713y± 0.002 Periastron (T)2016.47y± 0.01 Semi-major axis (a)0.0427a± 0.001
Eccentricity (e)0.435± 0.017 Inclination (i)150° Longitude of periastron (ω)45.8°± 2.3
Node (Ω)341.9°± 2.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.057 137.8
2001 0.025 328.6
2002 0.056 111.7
2003 0.036 192.9
2004 0.046 78.5
2005 0.054 151.1
2006 0.032 20.1
2007 0.058 124.6
2008 0.024 243.2
2009 0.051 96.3
2010 0.047 167.2
2011 0.039 53.5
2012 0.057 137.0
2013 0.024 324.2
2014 0.055 110.9
2015 0.037 190.9
2016 0.045 77.2
2017 0.054 150.2
2018 0.032 17.4
2019 0.058 123.8
2020 0.024 238.5
2021 0.051 95.2
2022 0.048 166.0
2023 0.038 51.6
2024 0.058 136.2
2025 0.024 319.6
2026 0.055 110.0
2027 0.037 188.9
2028 0.045 75.9
2029 0.055 149.3
2030 0.031 14.7


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



 
 


wds15317%2B0053b.png orbit plot
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
15317+0053 TOK 48 2009 4 92 0.0 7.80 8.90 G0 N 153142.89+005301.5
15317+0053 TOK 48 2015 8 130 0.1 7.80 8.90 G0 N 153142.89+005301.5
15317+0053 TOK 48 2017 11 114 0.1 7.80 8.90 G0 NO 153142.89+005301.5
15317+0053 TOK 48 2019 16 41 0.0 7.80 8.90 G0 NO 153142.89+005301.5

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