16289+1825 STF 2052 AB (HD 148653)

 
 
16h 28m 52.67s +18° 24' 50.6" P.A. 118.00 sep 2.5 mag 7.69,7.91 Sp K3V+K3V dist. 19.66 pc (64.13 l.y.)
 
 
Coord 2000 16289+1825 Discov num STF2052 Comp AB Coord arcsec 2000 16 28 52.67 +18 24 50.6
Date first 1822 Date last 2020 Obs 567
Pa first 109 Pa last 117.6 P.A. Now (θ) 117.1°
Sep first 2.7 Sep last 2.526 Sep. Now (ρ) 2.526"
Mag pri 7.69 Mag sec 7.91 delta mag (ΔM) 0.22 Spectral class K3V+K3V (yellow-orange/yellow-orange)
Pri motion ra -349 Sec motion ra -324
Pri motion dec +383 Sec motion dec +383
Notes N O (See Notes, Orbital solution)
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
16289+1825 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 148653 102200 16 28 53 +18 24 51 STF 2052 AB 2020 567 118 2.5 7.69 7.91 0.22 Y <===
Show 102200 16 28 53 +18 24 51 STF 2052 AC 2016 6 44 136.4 7.69 11.80 4.11
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 148653 Constellation Hercules SAO 102200 HIP 80725
Tycho2 1510-00051-1 HD 148653 GC 22166 ADS 10075
GL Gl 627A BD BD+18 3182 Distance 19.66 Distance ly 64.13
 
 
ORBITAL ELEMENTS
 
 
Period (P)229.4999y± 9.3543 Periastron (T)1921.0261y± 0.2633 Semi-major axis (a)2.23051a± 0.03738
Eccentricity (e)0.7581± 0.00521 Inclination (i)108.336°± 0.478 Longitude of periastron (ω)131.04°± 0.952
Node (Ω)94.285°± 0.889 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 124.2 2.021
2001 123.9 2.046
2002 123.5 2.070
2003 123.1 2.095
2004 122.7 2.119
2005 122.4 2.143
2006 122.0 2.167
2007 121.7 2.190
2008 121.4 2.213
2009 121.1 2.236
2010 120.7 2.259
2011 120.4 2.281
2012 120.1 2.303
2013 119.8 2.325
2014 119.5 2.346
2015 119.2 2.367
2016 119.0 2.388
2017 118.7 2.409
2018 118.4 2.429
2019 118.1 2.449
2020 117.9 2.469
2021 117.6 2.488
2022 117.4 2.507
2023 117.1 2.526
2024 116.9 2.544
2025 116.6 2.563
2026 116.4 2.580
2027 116.1 2.598
2028 115.9 2.615
2029 115.7 2.632
2030 115.4 2.649


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds16289%2B1825e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic