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
SAO
108707
HIP
116478
Tycho2
1723-01058-1
HD
221914
BD
BD+17 4946
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

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