15317+0053 TOK 48 (HD 138369)

 
 
15h 31m 42.89s +00° 53' 01.5" P.A. 174.00 sep 0.0 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 2023 Obs 23
Pa first 68 Pa last 173.7 P.A. Now (θ) 17.2°
Sep first 0.0 Sep last 0.045 Sep. Now (ρ) 0.03"
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
 
 
Name HD 138369 Constellation Serpens SAO 121042 HIP 76031
Tycho2 0350-00754-1 Gaia DR2 4417762133275591552 HD 138369 GC 20867
BD BD+01 3092 Distance 50.84 Distance ly 165.84
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.698y± 0.004 Periastron (T)2002.812y± 0.023 Semi-major axis (a)0.04a± 0.002
Eccentricity (e)0.474± 0.029 Inclination (i)151.993°± 2.236 Longitude of periastron (ω)48.59°± 5.637
Node (Ω)355.171°± 4.827 Notesn ReferenceJAA2023
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 153.1 0.054
2001 10.8 0.026
2002 126.9 0.055
2003 210.2 0.030
2004 96.2 0.046
2005 162.2 0.051
2006 41.6 0.031
2007 135.0 0.056
2008 247.8 0.022
2009 107.0 0.050
2010 172.7 0.046
2011 63.6 0.036
2012 143.1 0.055
2013 310.1 0.020
2014 116.5 0.052
2015 185.9 0.040
2016 80.3 0.041
2017 151.3 0.054
2018 2.5 0.025
2019 125.1 0.054
2020 204.8 0.032
2021 93.6 0.045
2022 160.2 0.051
2023 36.0 0.030
2024 133.3 0.055
2025 237.6 0.024
2026 104.8 0.049
2027 170.3 0.047
2028 59.4 0.035
2029 141.3 0.056
2030 296.2 0.019
2031 114.5 0.052
2032 182.7 0.042
2033 77.0 0.040
2034 149.5 0.054
2035 353.3 0.023
2036 123.3 0.054
2037 200.0 0.034
2038 91.0 0.044
2039 158.2 0.052
2040 29.9 0.029
2041 131.6 0.055
2042 228.7 0.025
2043 102.6 0.048
2044 168.0 0.048
2045 55.0 0.034
2046 139.6 0.056
2047 282.1 0.019
2048 112.6 0.051
2049 179.8 0.043
2050 73.7 0.039


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds15317%2B0053c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic