23449-3820 B 613 (HD 222909)

 
 
23h 44m 52.79s -38° 19' 57.4" P.A. 142.00 sep 0.3 mag 8.69,8.91 Sp F0V dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000 23449-3820 Discov num B   613 Comp Coord arcsec 2000 23 44 52.79 -38 19 57.4
Date first 1926 Date last 2019 Obs 19
Pa first 145 Pa last 141.5 P.A. Now (θ) 141.5°
Sep first 0.3 Sep last 0.285 Sep. Now (ρ) 0.285"
Mag pri 8.69 Mag sec 8.91 delta mag (ΔM) 0.22 Spectral class F0V (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 222909 Constellation Sculptor SAO 214749 HIP 117141
Tycho2 8014-00897-1 HD 222909 GC 32968 CD CD-3915137
CP CP-39 9282 Distance 153.14 Distance ly 499.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)86.41y± 3.06 Periastron (T)1997.29y± 1.67 Semi-major axis (a)0.178a± 0.008
Eccentricity (e)0.898± 0.013 Inclination (i)125°± 5.5 Longitude of periastron (ω)193.5°± 25.8
Node (Ω)142.7°± 14.3 Notes ReferenceTok2022g
Equinox2000 Last observation2019 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 166.6 0.068
2001 161.2 0.089
2002 157.8 0.108
2003 155.3 0.125
2004 153.4 0.141
2005 151.9 0.155
2006 150.6 0.168
2007 149.5 0.181
2008 148.6 0.192
2009 147.7 0.203
2010 146.9 0.213
2011 146.2 0.222
2012 145.6 0.231
2013 145.0 0.240
2014 144.4 0.248
2015 143.9 0.255
2016 143.4 0.262
2017 142.9 0.269
2018 142.5 0.275
2019 142.0 0.281
2020 141.6 0.286
2021 141.2 0.291
2022 140.8 0.296
2023 140.5 0.300
2024 140.1 0.304
2025 139.8 0.308
2026 139.4 0.312
2027 139.1 0.315
2028 138.7 0.318
2029 138.4 0.320
2030 138.1 0.323
2031 137.8 0.325
2032 137.4 0.327
2033 137.1 0.328
2034 136.8 0.329
2035 136.5 0.330
2036 136.2 0.331
2037 135.9 0.332
2038 135.6 0.332
2039 135.3 0.332
2040 135.0 0.332
2041 134.7 0.331
2042 134.4 0.331
2043 134.1 0.330
2044 133.8 0.328
2045 133.5 0.327
2046 133.2 0.325
2047 132.8 0.323
2048 132.5 0.321
2049 132.2 0.319
2050 131.9 0.316


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds23449-3820a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic