12533+2115 STF 1687 AB (35 Com)

12h 53m 17.77s +21° 14' 42.1" P.A. 203.00 sep 1.2 mag 5.15,7.08 Sp G7III dist. 86.81 pc (283.17 l.y.)

Coord 2000 12533+2115 Discov num STF1687 Comp AB Coord arcsec 2000 12 53 17.77 +21 14 42.1
Date first 1829 Date last 2020 Obs 402
Pa first 25 Pa last 202.8 P.A. Now (θ) 202.9°
Sep first 1.4 Sep last 1.2 Sep. Now (ρ) 1.205"
Mag pri 5.15 Mag sec 7.08 delta mag (ΔM) 1.93 Spectral class G7III (yellow)
Pri motion ra -048 Sec motion ra -048
Pri motion dec -027 Sec motion dec -027
Notes N O (See Notes, Orbital solution)




This double is physical.



12533+2115 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 35 Com 82550 12 53 18 +21 14 42 STF 1687 AB 2020 402 203 1.2 5.15 7.08 1.93 Y <===
Show 82550 12 53 18 +21 14 42 STF 1687 AC 2016 109 127 28.5 5.15 9.76 4.61


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name 35 Com Constellation Coma Berenices SAO 82550 HIP 62886
Tycho2 1455-01412-1 Gaia DR2 3942757338955937408 HD 112033 HR 4894
GC 17493 ADS 8695 BD BD+22 2519 Flamsteed 35 Comae Berenices
Flamsteed name 35 Com Distance 86.81 Distance ly 283.17




ORBITAL ELEMENTS

Period (P)486.3482y± 101.6832 Periastron (T)1929.2214y± 53.8046 Semi-major axis (a)1.34595a± 0.11221
Eccentricity (e)0.14466± 0.11126 Inclination (i)34.132°± 5.931 Longitude of periastron (ω)51.278°± 33.063
Node (Ω)60.531°± 12.35 Notesn ReferenceIzm2019
Equinox Last observation2014 Grade3(1=Definitive, 9=Indet.)

label theta rho
2000 183.5 1.084
2001 184.5 1.089
2002 185.4 1.094
2003 186.3 1.099
2004 187.2 1.104
2005 188.1 1.109
2006 189.0 1.114
2007 189.9 1.119
2008 190.7 1.125
2009 191.6 1.130
2010 192.5 1.135
2011 193.3 1.140
2012 194.1 1.146
2013 195.0 1.151
2014 195.8 1.156
2015 196.6 1.162
2016 197.4 1.167
2017 198.2 1.172
2018 199.0 1.178
2019 199.8 1.183
2020 200.6 1.189
2021 201.4 1.194
2022 202.1 1.199
2023 202.9 1.205
2024 203.7 1.210
2025 204.4 1.215
2026 205.1 1.221
2027 205.9 1.226
2028 206.6 1.231
2029 207.3 1.237
2030 208.0 1.242


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



 
 


wds12533%2B2115c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic