11468+1500 BU 602 (HD 102343)
11h 46m 50.69s +15° 00' 07.0" P.A. 128.00 sep 0.5 mag 8.07,9.89 Sp A5 dist. 140.45 pc (458.15 l.y.)
Coord 2000 |
11468+1500 |
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Discov num |
BU 602 |
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Comp |
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Coord arcsec 2000 |
11 46 50.69 +15 00 07.0 |
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Date first |
1878 |
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Date last |
2016 |
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Obs |
31 |
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Pa first |
73 |
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Pa last |
127.8 |
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P.A. Now (θ) |
127.8° |
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Sep first |
0.6 |
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Sep last |
0.536 |
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Sep. Now (ρ) |
0.536" |
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Mag pri |
8.07 |
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Mag sec |
9.89 |
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delta mag (ΔM) |
1.82 |
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Spectral class |
A5 (white) |
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Pri motion ra |
+012 |
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Sec motion ra |
+012 |
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Pri motion dec |
+009 |
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Sec motion dec |
+009 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 102343 |
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Constellation |
Leo |
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SAO |
99787 |
|
HIP |
57470 |
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Tycho2 |
1441-00978-1 |
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Gaia DR2 |
3924412674641454592 |
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HD |
102343 |
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GC |
16154 |
|
ADS |
8302 |
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BD |
BD+15 2378 |
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Distance |
140.45 |
|
Distance ly |
458.15 |
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ORBITAL ELEMENTS
Period (P) | 573.8y | |
Periastron (T) | 2144.59y | |
Semi-major axis (a) | 1.03a | |
Eccentricity (e) | 0.824 | |
Inclination (i) | 75.1° | |
Longitude of periastron (ω) | 85.3° | |
Node (Ω) | 170.3° | |
Notes | | |
Reference | Lin2019b | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
121.2 |
0.515 |
2001 |
121.5 |
0.516 |
2002 |
121.9 |
0.517 |
2003 |
122.3 |
0.518 |
2004 |
122.6 |
0.519 |
2005 |
123.0 |
0.520 |
2006 |
123.4 |
0.521 |
2007 |
123.7 |
0.522 |
2008 |
124.1 |
0.523 |
2009 |
124.4 |
0.524 |
2010 |
124.8 |
0.524 |
2011 |
125.1 |
0.525 |
2012 |
125.5 |
0.526 |
2013 |
125.8 |
0.527 |
2014 |
126.2 |
0.528 |
2015 |
126.5 |
0.529 |
2016 |
126.9 |
0.530 |
2017 |
127.2 |
0.531 |
2018 |
127.6 |
0.532 |
2019 |
127.9 |
0.533 |
2020 |
128.2 |
0.534 |
2021 |
128.6 |
0.535 |
2022 |
128.9 |
0.535 |
2023 |
129.3 |
0.536 |
2024 |
129.6 |
0.537 |
2025 |
129.9 |
0.538 |
2026 |
130.3 |
0.539 |
2027 |
130.6 |
0.540 |
2028 |
130.9 |
0.541 |
2029 |
131.3 |
0.542 |
2030 |
131.6 |
0.542 |
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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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