19203+6955 YSC 68
19h 20m 19.53s +69° 54' 59.1" P.A. 247.00 sep 0.6 mag 9.50,13.20 Sp K0 dist. 51.49 pc (167.96 l.y.)
Coord 2000 |
19203+6955 |
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Discov num |
YSC 68 |
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Comp |
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Coord arcsec 2000 |
19 20 19.53 +69 54 59.1 |
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Date first |
2007 |
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Date last |
2019 |
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Obs |
6 |
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Pa first |
239 |
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Pa last |
246.6 |
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P.A. Now (θ) |
246.6° |
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Sep first |
0.7 |
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Sep last |
0.599 |
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Sep. Now (ρ) |
0.599" |
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Mag pri |
9.50 |
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Mag sec |
13.20 |
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delta mag (ΔM) |
3.7 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
+070 |
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Sec motion ra |
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Pri motion dec |
+221 |
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Sec motion dec |
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Notes |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
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SAO |
18303 |
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HIP |
95044 |
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Tycho2 |
4448-01959-1 |
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Gaia DR2 |
2261787850327205248 |
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HD |
182712 |
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BD |
BD+69 1043 |
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Distance |
51.49 |
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Distance ly |
167.96 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 19203+6955 |
coord_arcsec_2000 | 192019.42+695457.2 |
Period (P) | 901d (2.47y) | ± 60 |
Periastron (T) | 48525d (1991.733y) | ± 298 |
Semi-major axis (a) | 16.1m | ± 3.3 |
Eccentricity (e) | 0.45 | ± 0.23 |
Inclination (i) | 78° | ± 6 |
Longitude of periastron (ω) | 79° | ± 96 |
Node (Ω) | 247° | ± 92 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
83.7 |
0.013 |
2001-01-01 |
230.1 |
0.011 |
2002-01-01 |
69.1 |
0.015 |
2003-01-01 |
154.1 |
0.005 |
2004-01-01 |
261.3 |
0.006 |
2005-01-01 |
86.7 |
0.012 |
2006-01-01 |
233.6 |
0.012 |
2007-01-01 |
71.1 |
0.016 |
2008-01-01 |
174.1 |
0.005 |
2009-01-01 |
292.8 |
0.003 |
2010-01-01 |
90.3 |
0.011 |
2011-01-01 |
236.7 |
0.013 |
2012-01-01 |
73.0 |
0.016 |
2013-01-01 |
191.3 |
0.006 |
2014-01-01 |
31.9 |
0.003 |
2015-01-01 |
94.8 |
0.010 |
2016-01-01 |
239.5 |
0.013 |
2017-01-01 |
74.8 |
0.016 |
2018-01-01 |
204.2 |
0.007 |
2019-01-01 |
53.5 |
0.007 |
2020-01-01 |
100.7 |
0.008 |
2021-01-01 |
242.2 |
0.013 |
2022-01-01 |
76.7 |
0.015 |
2023-01-01 |
213.6 |
0.008 |
2024-01-01 |
60.4 |
0.010 |
2025-01-01 |
108.5 |
0.007 |
2026-01-01 |
245.0 |
0.013 |
2027-01-01 |
78.7 |
0.015 |
2028-01-01 |
220.5 |
0.009 |
2029-01-01 |
64.2 |
0.012 |
2030-01-01 |
119.4 |
0.006 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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