10473+2235 STT 228 (HD 93392)
10h 47m 16.93s +22° 34' 32.0" P.A. 170.00 sep 1.7 mag 8.17,8.93 Sp F0 dist. 158.23 pc (516.15 l.y.)
Coord 2000 |
10473+2235 |
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Discov num |
STT 228 |
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Comp |
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Coord arcsec 2000 |
10 47 16.93 +22 34 32.0 |
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Date first |
1843 |
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Date last |
2017 |
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Obs |
103 |
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Pa first |
207 |
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Pa last |
169.9 |
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P.A. Now (θ) |
169.9° |
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Sep first |
0.3 |
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Sep last |
1.65 |
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Sep. Now (ρ) |
1.65" |
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Mag pri |
8.17 |
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Mag sec |
8.93 |
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delta mag (ΔM) |
0.76 |
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Spectral class |
F0 (yellow-white) |
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Pri motion ra |
-037 |
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Sec motion ra |
-037 |
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Pri motion dec |
-001 |
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Sec motion dec |
-001 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 93392 |
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Constellation |
Leo |
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SAO |
81520 |
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HIP |
52759 |
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Tycho2 |
1977-02123-1 |
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Gaia DR2 |
3989516265659563904 |
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HD |
93392 |
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GC |
14840 |
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ADS |
7926 |
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BD |
BD+23 2261 |
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Distance |
158.23 |
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Distance ly |
516.15 |
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ORBITAL ELEMENTS
Period (P) | 1229y | ± 270 |
Periastron (T) | 2102.8y | ± 9.6 |
Semi-major axis (a) | 1.069a | ± 0.155 |
Eccentricity (e) | 0.548 | ± 0.031 |
Inclination (i) | 101.7° | ± 0.6 |
Longitude of periastron (ω) | 58.7° | ± 9.5 |
Node (Ω) | 164.6° | ± 0.8 |
Notes | | |
Reference | PkO2018b | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
171.4 |
0.644 |
2001 |
171.3 |
0.644 |
2002 |
171.2 |
0.644 |
2003 |
171.0 |
0.644 |
2004 |
170.9 |
0.644 |
2005 |
170.8 |
0.644 |
2006 |
170.6 |
0.644 |
2007 |
170.5 |
0.644 |
2008 |
170.3 |
0.643 |
2009 |
170.2 |
0.643 |
2010 |
170.1 |
0.643 |
2011 |
169.9 |
0.642 |
2012 |
169.8 |
0.642 |
2013 |
169.7 |
0.641 |
2014 |
169.5 |
0.640 |
2015 |
169.4 |
0.640 |
2016 |
169.2 |
0.639 |
2017 |
169.1 |
0.638 |
2018 |
169.0 |
0.637 |
2019 |
168.8 |
0.636 |
2020 |
168.7 |
0.636 |
2021 |
168.5 |
0.634 |
2022 |
168.4 |
0.633 |
2023 |
168.3 |
0.632 |
2024 |
168.1 |
0.631 |
2025 |
168.0 |
0.630 |
2026 |
167.8 |
0.628 |
2027 |
167.7 |
0.627 |
2028 |
167.5 |
0.625 |
2029 |
167.4 |
0.624 |
2030 |
167.3 |
0.622 |
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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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