16514-2450 B 2397 (HD 151902)

 
 
16h 51m 21.52s -24° 50' 03.0" P.A. 294.00 sep 0.1 mag 8.20,8.30 Sp F6V dist. 233.64 pc (762.13 l.y.)
 
 
Coord 2000 16514-2450 Discov num B  2397 Comp Coord arcsec 2000 16 51 21.52 -24 50 03.0
Date first 1937 Date last 2023 Obs 16
Pa first 27 Pa last 294.1 P.A. Now (θ) 265.8° (calc)
Sep first 0.2 Sep last 0.069 Sep. Now (ρ) 0.078" (calc)
Mag pri 8.20 Mag sec 8.30 delta mag (ΔM) 0.1 Spectral class F6V (yellow-white)
Pri motion ra +038 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 151902 Constellation Scorpius SAO 184715 HIP 82474
Tycho2 6813-01435-1 Gaia DR2 6046823849775642112 HD 151902 CD CD-2412876
CP CP-24 5756 Distance 233.64 Distance ly 762.13
 
 
ORBITAL ELEMENTS
 
 
Period (P)69.6y Periastron (T)2020.4y Semi-major axis (a)0.1578a
Eccentricity (e)0.067 Inclination (i)119° Longitude of periastron (ω)250°
Node (Ω)201.2° Notes ReferenceMsn2023
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 45.3 0.130
2001 41.8 0.135
2002 38.5 0.140
2003 35.5 0.145
2004 32.6 0.148
2005 29.8 0.151
2006 27.1 0.153
2007 24.5 0.154
2008 21.8 0.154
2009 19.2 0.153
2010 16.5 0.150
2011 13.6 0.147
2012 10.7 0.143
2013 7.5 0.138
2014 4.1 0.132
2015 0.3 0.125
2016 356.1 0.118
2017 351.3 0.110
2018 345.7 0.102
2019 339.2 0.094
2020 331.5 0.087
2021 322.5 0.080
2022 312.2 0.075
2023 300.6 0.072
2024 288.6 0.072
2025 276.7 0.074
2026 265.8 0.078
2027 256.2 0.084
2028 248.0 0.091
2029 241.0 0.099
2030 235.1 0.107
2031 230.0 0.115
2032 225.6 0.123
2033 221.7 0.130
2034 218.2 0.137
2035 215.0 0.143
2036 212.1 0.148
2037 209.3 0.153
2038 206.7 0.156
2039 204.2 0.159
2040 201.8 0.161
2041 199.4 0.161
2042 197.0 0.161
2043 194.6 0.160
2044 192.1 0.158
2045 189.5 0.155
2046 186.9 0.151
2047 184.1 0.146
2048 181.1 0.141
2049 177.8 0.136
2050 174.3 0.130


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds16514-2450c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic