11162+3136 A 2157 (HD 97936)
11h 16m 14.98s +31° 36' 18.1" P.A. 3.00 sep 1.4 mag 9.25,12.21 Sp K0 dist. 324.68 pc (1059.11 l.y.)
Coord 2000 |
11162+3136 |
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Discov num |
A 2157 |
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Comp |
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Coord arcsec 2000 |
11 16 14.98 +31 36 18.1 |
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Date first |
1910 |
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Date last |
2018 |
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Obs |
14 |
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Pa first |
0 |
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Pa last |
2.9 |
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P.A. Now (θ) |
2.9° |
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Sep first |
1.0 |
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Sep last |
1.41 |
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Sep. Now (ρ) |
1.41" |
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Mag pri |
9.25 |
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Mag sec |
12.21 |
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delta mag (ΔM) |
2.96 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
-019 |
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Sec motion ra |
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Pri motion dec |
-001 |
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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
Name |
HD 97936 |
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Constellation |
Ursa Major |
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SAO |
62471 |
|
HIP |
55055 |
|
Tycho2 |
2520-00345-1 |
|
Gaia DR2 |
756849176872276352 |
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HD |
97936 |
|
ADS |
8109 |
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BD |
BD+32 2125 |
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Distance |
324.68 |
|
Distance ly |
1059.11 |
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ORBITAL ELEMENTS
Period (P) | 619.93y | |
Periastron (T) | 2043.77y | |
Semi-major axis (a) | 1.3822a | |
Eccentricity (e) | 0.2048 | |
Inclination (i) | 162.85° | |
Longitude of periastron (ω) | 286.72° | |
Node (Ω) | 135.96° | |
Notes | | |
Reference | Pop1996b | |
Equinox | 2000 | |
Last observation | 1983 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
248.5 |
1.097 |
2001 |
247.6 |
1.095 |
2002 |
246.8 |
1.093 |
2003 |
245.9 |
1.091 |
2004 |
245.0 |
1.089 |
2005 |
244.2 |
1.087 |
2006 |
243.3 |
1.085 |
2007 |
242.4 |
1.083 |
2008 |
241.5 |
1.081 |
2009 |
240.6 |
1.079 |
2010 |
239.7 |
1.077 |
2011 |
238.8 |
1.075 |
2012 |
237.9 |
1.074 |
2013 |
237.0 |
1.072 |
2014 |
236.1 |
1.071 |
2015 |
235.2 |
1.069 |
2016 |
234.3 |
1.068 |
2017 |
233.4 |
1.066 |
2018 |
232.5 |
1.065 |
2019 |
231.6 |
1.064 |
2020 |
230.6 |
1.063 |
2021 |
229.7 |
1.062 |
2022 |
228.8 |
1.061 |
2023 |
227.9 |
1.060 |
2024 |
227.0 |
1.059 |
2025 |
226.0 |
1.058 |
2026 |
225.1 |
1.057 |
2027 |
224.2 |
1.056 |
2028 |
223.2 |
1.056 |
2029 |
222.3 |
1.055 |
2030 |
221.4 |
1.055 |
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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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