20599+4016 LSC 1 Aa1,2

 
 
20h 59m 55.28s +40° 15' 31.8" P.A. 257.00 sep 0.0 mag 7.00,8.20 Sp F8V dist. 40.95 pc (133.58 l.y.)
 
 
Coord 2000 20599+4016 Discov num LSC   1 Comp Aa1,2 Coord arcsec 2000 20 59 55.28 +40 15 31.8
Date first 2012 Date last 2012 Obs 2
Pa first 258 Pa last 256.7 P.A. Now (θ) 256.7°
Sep first 0.0 Sep last 0.023 Sep. Now (ρ) 0.023"
Mag pri 7.00 Mag sec 8.20 delta mag (ΔM) 1.2 Spectral class F8V (yellow-white)
Pri motion ra +232 Sec motion ra
Pri motion dec +210 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
20599+4016 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50331 20 59 55 +40 15 32 LSC 1 Aa1,2 2012 2 257 0.0 7.00 8.20 1.20 Y <===
Show 50331 20 59 55 +40 15 32 COU 2431 Aa,Ab 2018 12 205 2.2 6.66 10.80 4.14
Show HD 200077 50331 20 59 55 +40 15 32 ENG 79 AB 2003 10 219 165.9 6.66 9.76 3.10
Show 50331 20 59 55 +40 15 32 BUP 221 AC 2003 9 154 210.3 6.66 9.71 3.05
Show 50331 20 59 55 +40 15 32 LEP 98 AD 2016 8 258 999.9 6.66 10.90 4.24
Show 20 59 46 +40 13 24 BUP 221 BC 2015 13 107 203.7 9.76 9.71 0.05
Show 21 00 03 +40 12 23 SEI 1363 CR 2015 25 37 8.7 9.71 10.67 0.96
Show 20 58 11 +40 11 29 HDS 2989 Da,Db 2018 11 143 0.1 11.16 12.46 1.30 Y
Show 20 58 11 +40 11 29 RAO 72 DE 2012 3 118 19.8 11.00 15.80 4.80
Ninefold system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50331 HIP 103641 Tycho2 3171-01508-1
Gaia DR2 1873356986678591744 HD 200077 BD BD+39 4400 Distance 40.95
Distance ly 133.58
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
 
 
Identifier20599+4016
coord_arcsec_2000205955.28+401531.8
Period (P)112.5132d± 0.0013 Periastron (T)53830.169m (2006.259y)± 0.014 Semi-major axis (a)14.453m± 0.018
Eccentricity (e)0.66227± 0.00051 Inclination (i)118.682°± 0.08 Longitude of periastron (ω)197.072°± 0.025
Node (Ω)89.403°± 0.028 Notesn ReferenceKnc2010
Equinox2000 Last observation Grade8(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 70.1 0.019
2001-01-01 348.6 0.005
2002-01-01 101.6 0.015
2003-01-01 84.9 0.023
2004-01-01 71.3 0.019
2005-01-01 6.4 0.005
2006-01-01 103.6 0.014
2007-01-01 85.7 0.023
2008-01-01 72.4 0.020
2009-01-01 20.1 0.006
2010-01-01 105.8 0.013
2011-01-01 86.5 0.023
2012-01-01 73.4 0.020
2013-01-01 30.3 0.007
2014-01-01 108.6 0.012
2015-01-01 87.2 0.023
2016-01-01 74.3 0.021
2017-01-01 38.0 0.008
2018-01-01 112.1 0.010
2019-01-01 88.0 0.023
2020-01-01 75.3 0.021
2021-01-01 43.8 0.009
2022-01-01 116.6 0.009
2023-01-01 88.8 0.022
2024-01-01 76.2 0.022
2025-01-01 48.4 0.010
2026-01-01 123.1 0.007
2027-01-01 89.7 0.022
2028-01-01 77.0 0.022
2029-01-01 52.2 0.011
2030-01-01 133.1 0.006


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



 
 


wds20599%2B4016d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
 
 
Identifier20599+4016
coord_arcsec_2000205955.28+401531.8
Period (P)0.3081y Periastron (T)2013.0444y Semi-major axis (a)0.01391a
Eccentricity (e)0.6565 Inclination (i)59.8° Longitude of periastron (ω)17.3°
Node (Ω)69.8° Notesn ReferenceDoc2013c
Equinox2000 Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 268.7 0.019
2001 330.2 0.005
2002 233.8 0.013
2003 253.4 0.022
2004 267.4 0.019
2005 316.5 0.006
2006 230.8 0.012
2007 252.5 0.022
2008 266.2 0.020
2009 306.6 0.007
2010 227.0 0.010
2011 251.5 0.022
2012 265.1 0.020
2013 299.2 0.008
2014 221.9 0.009
2015 250.5 0.021
2016 264.0 0.021
2017 293.5 0.010
2018 214.5 0.007
2019 249.5 0.021
2020 262.9 0.021
2021 289.0 0.011
2022 202.6 0.005
2023 248.5 0.021
2024 261.9 0.021
2025 285.3 0.012
2026 180.6 0.004
2027 247.4 0.020
2028 261.0 0.022
2029 282.3 0.013
2030 141.7 0.003


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



 
 


wds20599%2B4016b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
 
 
Identifier20599+4016
coord_arcsec_2000205955.28+401531.8
Period (P)0.3081y Periastron (T)2013.0444y Semi-major axis (a)0.01391a
Eccentricity (e)0.6565 Inclination (i)120.2° Longitude of periastron (ω)17.3°
Node (Ω)84.7° Notesn ReferenceDoc2013c
Equinox2000 Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 245.8 0.019
2001 184.3 0.005
2002 280.7 0.013
2003 261.1 0.022
2004 247.1 0.019
2005 198.0 0.006
2006 283.7 0.012
2007 262.0 0.022
2008 248.3 0.020
2009 207.9 0.007
2010 287.5 0.010
2011 263.0 0.022
2012 249.4 0.020
2013 215.3 0.008
2014 292.6 0.009
2015 264.0 0.021
2016 250.5 0.021
2017 221.0 0.010
2018 300.0 0.007
2019 265.0 0.021
2020 251.6 0.021
2021 225.5 0.011
2022 311.9 0.005
2023 266.0 0.021
2024 252.6 0.021
2025 229.2 0.012
2026 333.9 0.004
2027 267.1 0.020
2028 253.5 0.022
2029 232.2 0.013
2030 12.8 0.003


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



 
 


wds20599%2B4016a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic