22587+2611 COU 543
22h 58m 42.46s +26° 11' 19.9" P.A. 75.00 sep 0.1 mag 9.50,9.50 Sp G0
| Coord 2000 |
22587+2611 |
|
Discov num |
COU 543 |
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Comp |
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Coord arcsec 2000 |
22 58 42.46 +26 11 19.9 |
|
| Date first |
1970 |
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Date last |
2014 |
|
Obs |
27 |
|
| Pa first |
133 |
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Pa last |
75.3 |
|
P.A. Now (θ) |
75.3° |
|
| Sep first |
0.2 |
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Sep last |
0.122 |
|
Sep. Now (ρ) |
0.122" |
|
| Mag pri |
9.50 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+056 |
|
Sec motion ra |
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| Pri motion dec |
-055 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2238-00296-1 |
|
Gaia DR2 |
1883077700254562560 |
|
ORBITAL ELEMENTS
| Period (P) | 404.2y | ± 106.6 |
Periastron (T) | 2011y | ± 5.4 |
Semi-major axis (a) | 0.362a | ± 0.062 |
| Eccentricity (e) | 0.398 | ± 0.096 |
Inclination (i) | 131.1° | ± 2.2 |
Longitude of periastron (ω) | 53.6° | ± 11.9 |
| Node (Ω) | 121.1° | ± 2.5 |
Notes | | |
Reference | BAE2021 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
100.9 |
0.208 |
| 2001 |
99.3 |
0.205 |
| 2002 |
97.6 |
0.202 |
| 2003 |
95.8 |
0.198 |
| 2004 |
94.0 |
0.195 |
| 2005 |
92.1 |
0.192 |
| 2006 |
90.2 |
0.189 |
| 2007 |
88.1 |
0.186 |
| 2008 |
86.1 |
0.182 |
| 2009 |
83.9 |
0.179 |
| 2010 |
81.7 |
0.176 |
| 2011 |
79.4 |
0.173 |
| 2012 |
77.0 |
0.170 |
| 2013 |
74.5 |
0.168 |
| 2014 |
72.0 |
0.165 |
| 2015 |
69.4 |
0.163 |
| 2016 |
66.7 |
0.160 |
| 2017 |
63.9 |
0.158 |
| 2018 |
61.0 |
0.156 |
| 2019 |
58.1 |
0.155 |
| 2020 |
55.1 |
0.153 |
| 2021 |
52.1 |
0.152 |
| 2022 |
49.1 |
0.151 |
| 2023 |
46.0 |
0.151 |
| 2024 |
42.8 |
0.150 |
| 2025 |
39.7 |
0.150 |
| 2026 |
36.6 |
0.150 |
| 2027 |
33.5 |
0.151 |
| 2028 |
30.4 |
0.152 |
| 2029 |
27.4 |
0.153 |
| 2030 |
24.4 |
0.154 |
| 2031 |
21.5 |
0.156 |
| 2032 |
18.7 |
0.158 |
| 2033 |
15.9 |
0.160 |
| 2034 |
13.2 |
0.163 |
| 2035 |
10.6 |
0.166 |
| 2036 |
8.1 |
0.168 |
| 2037 |
5.6 |
0.171 |
| 2038 |
3.3 |
0.175 |
| 2039 |
1.0 |
0.178 |
| 2040 |
358.8 |
0.182 |
| 2041 |
356.7 |
0.185 |
| 2042 |
354.7 |
0.189 |
| 2043 |
352.8 |
0.193 |
| 2044 |
350.9 |
0.197 |
| 2045 |
349.1 |
0.201 |
| 2046 |
347.4 |
0.205 |
| 2047 |
345.8 |
0.209 |
| 2048 |
344.2 |
0.213 |
| 2049 |
342.7 |
0.217 |
| 2050 |
341.2 |
0.221 |
|
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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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