19294-4057 B 1385 (HD 183023)

 
 
19h 29m 23.89s -40° 56' 45.2" P.A. 166.00 sep 0.1 mag 8.20,8.30 Sp F5V
 
 
Coord 2000 19294-4057 Discov num B  1385 Comp Coord arcsec 2000 19 29 23.89 -40 56 45.2
Date first 1930 Date last 2023 Obs 12
Pa first 311 Pa last 165.7 P.A. Now (θ) 191.9° (calc)
Sep first 0.2 Sep last 0.133 Sep. Now (ρ) 0.112" (calc)
Mag pri 8.20 Mag sec 8.30 delta mag (ΔM) 0.1 Spectral class F5V (yellow-white)
Pri motion ra +026 Sec motion ra
Pri motion dec -045 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 183023 Constellation Sagittarius SAO 229713 Tycho2 7935-00737-1
Gaia DR2 6737471049270009728 HD 183023
 
 
ORBITAL ELEMENTS
 
 
Period (P)51.82y± 0.92 Periastron (T)1978.32y± 1.03 Semi-major axis (a)0.1821a± 0.0015
Eccentricity (e)0.1± 0.016 Inclination (i)50.5°± 0.9 Longitude of periastron (ω)108.7°± 4.1
Node (Ω)126.5°± 1.5 Notes ReferenceTok2024c
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 27.7 0.127
2001 36.8 0.127
2002 45.8 0.128
2003 54.5 0.131
2004 62.7 0.136
2005 70.3 0.141
2006 77.4 0.147
2007 83.8 0.154
2008 89.7 0.161
2009 95.1 0.167
2010 100.1 0.173
2011 104.8 0.178
2012 109.3 0.183
2013 113.6 0.186
2014 117.8 0.187
2015 122.0 0.188
2016 126.1 0.186
2017 130.4 0.184
2018 134.8 0.179
2019 139.5 0.174
2020 144.5 0.166
2021 150.0 0.158
2022 156.2 0.149
2023 163.3 0.139
2024 171.5 0.129
2025 181.0 0.120
2026 191.9 0.112
2027 204.2 0.107
2028 217.3 0.105
2029 230.5 0.106
2030 242.9 0.111
2031 254.0 0.118
2032 263.8 0.127
2033 272.2 0.136
2034 279.5 0.146
2035 286.0 0.154
2036 291.8 0.162
2037 297.2 0.168
2038 302.2 0.172
2039 307.1 0.175
2040 311.8 0.176
2041 316.5 0.175
2042 321.3 0.173
2043 326.2 0.170
2044 331.4 0.165
2045 336.9 0.160
2046 342.8 0.154
2047 349.2 0.148
2048 356.1 0.142
2049 3.7 0.137
2050 11.8 0.132


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds19294-4057c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic