11128+0453 J 1011
11h 12m 49.42s +04° 53' 15.4" P.A. 43.00 sep 4.1 mag 10.47,11.00 Sp K0
Coord 2000 |
11128+0453 |
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Discov num |
J 1011 |
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Comp |
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Coord arcsec 2000 |
11 12 49.42 +04 53 15.4 |
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Date first |
1903 |
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Date last |
2016 |
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Obs |
45 |
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Pa first |
75 |
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Pa last |
43 |
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P.A. Now (θ) |
43° |
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Sep first |
2.3 |
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Sep last |
4.094 |
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Sep. Now (ρ) |
4.094" |
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Mag pri |
10.47 |
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Mag sec |
11.00 |
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delta mag (ΔM) |
0.53 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
+002 |
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Sec motion ra |
+044 |
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Pri motion dec |
-070 |
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Sec motion dec |
-026 |
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Notes |
C
(Has orbit and linear solution) |
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rPM=0.869
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Leo |
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Tycho2 |
0266-00089-1 |
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Gaia DR2 |
3815313869597837952 |
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ADS |
8088 |
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ORBITAL ELEMENTS
Period (P) | 2376.8447y | ± 1038.8479 |
Periastron (T) | 1659.1925y | ± 497.5062 |
Semi-major axis (a) | 12.63085a | ± 7.04541 |
Eccentricity (e) | 0.82892 | ± 0.14203 |
Inclination (i) | 103.54° | ± 9.761 |
Longitude of periastron (ω) | 307.79° | ± 53.719 |
Node (Ω) | 168.448° | ± 31.485 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
46.5 |
3.875 |
2001 |
46.3 |
3.889 |
2002 |
46.1 |
3.904 |
2003 |
45.9 |
3.919 |
2004 |
45.7 |
3.934 |
2005 |
45.5 |
3.949 |
2006 |
45.3 |
3.964 |
2007 |
45.1 |
3.979 |
2008 |
44.9 |
3.995 |
2009 |
44.7 |
4.010 |
2010 |
44.5 |
4.025 |
2011 |
44.3 |
4.040 |
2012 |
44.1 |
4.055 |
2013 |
43.9 |
4.071 |
2014 |
43.7 |
4.086 |
2015 |
43.5 |
4.101 |
2016 |
43.3 |
4.116 |
2017 |
43.1 |
4.132 |
2018 |
43.0 |
4.147 |
2019 |
42.8 |
4.163 |
2020 |
42.6 |
4.178 |
2021 |
42.4 |
4.193 |
2022 |
42.2 |
4.209 |
2023 |
42.1 |
4.224 |
2024 |
41.9 |
4.240 |
2025 |
41.7 |
4.255 |
2026 |
41.5 |
4.271 |
2027 |
41.4 |
4.287 |
2028 |
41.2 |
4.302 |
2029 |
41.0 |
4.318 |
2030 |
40.9 |
4.333 |
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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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