15537-0429 TOK 725 (HD 142269)

 
 
15h 53m 39.73s -04° 29' 19.1" P.A. 85.00 sep 0.1 mag 9.00,10.50 Sp F9V dist. 80.26 pc (261.81 l.y.)
 
 
Coord 2000 15537-0429 Discov num TOK 725 Comp Coord arcsec 2000 15 53 39.73 -04 29 19.1
Date first 2016 Date last 2023 Obs 11
Pa first 33 Pa last 85.2 P.A. Now (θ) 168.9°
Sep first 0.1 Sep last 0.095 Sep. Now (ρ) 0.041"
Mag pri 9.00 Mag sec 10.50 delta mag (ΔM) 1.5 Spectral class F9V (yellow-white)
Pri motion ra -096 Sec motion ra
Pri motion dec -049 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142269 Constellation Libra SAO 140825 HIP 77843
Tycho2 5027-00283-1 Gaia DR2 4399151730744370048 HD 142269 BD BD-04 3995
Distance 80.26 Distance ly 261.81
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.26y± 0.13 Periastron (T)2020.729y± 0.027 Semi-major axis (a)0.08241a± 0.00064
Eccentricity (e)0.5685± 0.0081 Inclination (i)166.6°± 4.5 Longitude of periastron (ω)334°± 20
Node (Ω)198°± 20 Notes ReferenceMsn2023
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 99.3 0.080
2001 78.3 0.102
2002 64.0 0.117
2003 52.3 0.126
2004 41.7 0.129
2005 31.0 0.125
2006 19.0 0.115
2007 3.8 0.098
2008 339.8 0.073
2009 281.9 0.042
2010 160.9 0.044
2011 107.0 0.073
2012 82.9 0.097
2013 67.3 0.114
2014 55.2 0.124
2015 44.4 0.129
2016 33.8 0.127
2017 22.3 0.118
2018 8.3 0.103
2019 347.5 0.080
2020 304.0 0.049
2021 187.9 0.038
2022 116.3 0.066
2023 87.9 0.092
2024 70.9 0.110
2025 58.2 0.122
2026 47.2 0.128
2027 36.6 0.128
2028 25.5 0.121
2029 12.3 0.108
2030 354.0 0.087
2031 319.9 0.058
2032 221.9 0.035
2033 128.2 0.058
2034 93.7 0.086
2035 74.8 0.106
2036 61.3 0.120
2037 49.9 0.127
2038 39.4 0.128
2039 28.5 0.123
2040 16.0 0.112
2041 359.6 0.093
2042 331.8 0.066
2043 257.0 0.037
2044 143.6 0.050
2045 100.4 0.079
2046 79.0 0.101
2047 64.5 0.117
2048 52.8 0.126
2049 42.1 0.129
2050 31.4 0.125


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds15537-0429c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic