16536-1045 YSC 156 (HD 152393)

 
 
16h 53m 33.98s -10° 45' 12.2" P.A. 136.00 sep 0.1 mag 9.60,10.00 Sp F5 dist. 180.18 pc (587.75 l.y.)
 
 
Coord 2000 16536-1045 Discov num YSC 156 Comp Coord arcsec 2000 16 53 33.98 -10 45 12.2
Date first 2009 Date last 2023 Obs 16
Pa first 346 Pa last 135.5 P.A. Now (θ) 135.5°
Sep first 0.1 Sep last 0.066 Sep. Now (ρ) 0.066"
Mag pri 9.60 Mag sec 10.00 delta mag (ΔM) 0.4 Spectral class F5 (yellow-white)
Pri motion ra +059 Sec motion ra
Pri motion dec +041 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 152393 Constellation Ophiuchus SAO 160148 HIP 82642
Tycho2 5646-00547-1 Gaia DR2 4334384654714206336 HD 152393 BD BD-10 4403
Distance 180.18 Distance ly 587.75
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.3y± 6 Periastron (T)2024.6y± 1.09 Semi-major axis (a)0.1076a± 0.0128
Eccentricity (e)0.299± 0.037 Inclination (i)35.6°± 7.3 Longitude of periastron (ω)129.7°± 39.8
Node (Ω)25.4°± 12.5 Notes ReferenceTok2024a
Equinox2000 Last observation2023 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 261.1 0.095
2001 272.4 0.097
2002 283.1 0.100
2003 293.3 0.103
2004 302.7 0.106
2005 311.5 0.110
2006 319.7 0.114
2007 327.4 0.118
2008 334.6 0.122
2009 341.3 0.125
2010 347.8 0.128
2011 354.0 0.129
2012 0.1 0.130
2013 6.2 0.130
2014 12.4 0.128
2015 18.8 0.125
2016 25.6 0.121
2017 33.0 0.115
2018 41.4 0.107
2019 51.2 0.098
2020 63.2 0.088
2021 78.3 0.078
2022 97.8 0.069
2023 121.5 0.064
2024 146.8 0.065
2025 169.8 0.070
2026 189.2 0.076
2027 205.5 0.082
2028 220.0 0.087
2029 233.2 0.090
2030 245.7 0.092
2031 257.6 0.094
2032 269.1 0.096
2033 280.0 0.099
2034 290.3 0.102
2035 300.0 0.105
2036 309.0 0.109
2037 317.3 0.113
2038 325.2 0.117
2039 332.5 0.121
2040 339.3 0.124
2041 345.9 0.127
2042 352.2 0.129
2043 358.3 0.130
2044 4.4 0.130
2045 10.6 0.129
2046 16.9 0.126
2047 23.5 0.122
2048 30.7 0.117
2049 38.8 0.110
2050 48.1 0.101


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds16536-1045c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic