23361+1827 YSC 229

 
 
23h 36m 05.58s +18 26' 31.9" P.A. 345 mag 8.30,8.40 Sp G5V dist. 36.6 pc (119.39 l.y.)
 
 
Coord 2000
23361+1827
Discov num
YSC 229
Comp
Coord arcsec 2000
23 36 05.58 +18 26 31.9
Date first
2011
Date last
2011
Obs
2
Pa first
336
Pa last
345
P.A. Now (θ)
345°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
8.30
Mag sec
8.40
delta mag (ΔM)
0.1
Spectral class
G5V (yellow)
Pri motion ra
+686
Sec motion ra
Pri motion dec
+212
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
344.7
Precise sep
0.025
Constellation
Pegasus
HIP
116478
HD
221914
Distance
36.6
Distance ly
119.39
last precise pa
344.7
last precise sep
0.025
 
 
ORBITAL ELEMENTS
 
 
Period (P)1810d (4.96y) Periastron (T)47403d (1988.661y) Semi-major axis (a)20.9m± 1.1
Eccentricity (e)0.33 Inclination (i)109.8°± 6.8 Longitude of periastron (ω)304.3°
Node (Ω)129.1°± 7.8 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation1992
label rho theta
2000-01-01 0.009 67.1
2001-01-01 0.017 337.2
2002-01-01 0.024 314.7
2003-01-01 0.011 284.5
2004-01-01 0.016 126.0
2005-01-01 0.009 61.6
2006-01-01 0.017 335.7
2007-01-01 0.024 313.9
2008-01-01 0.010 280.4
2009-01-01 0.016 124.3
2010-01-01 0.009 55.8
2011-01-01 0.018 334.3
2012-01-01 0.024 313.1
2013-01-01 0.009 275.1
2014-01-01 0.016 122.6
2015-01-01 0.009 49.9
2016-01-01 0.018 332.9
2017-01-01 0.024 312.3
2018-01-01 0.008 268.2
2019-01-01 0.016 120.9
2020-01-01 0.009 43.9
2021-01-01 0.019 331.6
2022-01-01 0.024 311.6
2023-01-01 0.007 259.1
2024-01-01 0.016 119.2
2025-01-01 0.009 37.9
2026-01-01 0.020 330.4
2027-01-01 0.023 310.7
2028-01-01 0.006 246.9
2029-01-01 0.016 117.5
2030-01-01 0.009 32.0

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

grafico orbita





wds23361%2B1827r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23361+1827 YSC 229 2011 2 345 0.0 8.30 8.40 G5V 233605.58+182631.9

If you need more information about this double, apply for a data request form to the WDS.