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 |
|
Discov num |
BU 602 |
|
Comp |
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|
Coord arcsec 2000 |
11 46 50.69 +15 00 07.0 |
|
| Date first |
1878 |
|
Date last |
2016 |
|
Obs |
31 |
|
| Pa first |
73 |
|
Pa last |
127.8 |
|
P.A. Now (θ) |
127.8° |
|
| Sep first |
0.6 |
|
Sep last |
0.536 |
|
Sep. Now (ρ) |
0.536" |
|
| Mag pri |
8.07 |
|
Mag sec |
9.89 |
|
delta mag (ΔM) |
1.82 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 102343 |
|
Constellation |
Leo |
|
SAO |
99787 |
|
HIP |
57470 |
|
| Tycho2 |
1441-00978-1 |
|
Gaia DR2 |
3924412674641454592 |
|
HD |
102343 |
|
GC |
16154 |
|
| ADS |
8302 |
|
BD |
BD+15 2378 |
|
Distance |
140.45 |
|
Distance ly |
458.15 |
|
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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