22084-4403 HDS 3146 (HD 210022)
22h 08m 25.32s -44° 03' 26.2" P.A. 358.00 sep 0.1 mag 9.97,10.30 Sp G0V dist. 117.51 pc (383.32 l.y.)
Coord 2000 |
22084-4403 |
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Discov num |
HDS3146 |
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Comp |
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Coord arcsec 2000 |
22 08 25.32 -44 03 26.2 |
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Date first |
1991 |
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Date last |
2020 |
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Obs |
7 |
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Pa first |
332 |
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Pa last |
357.8 |
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P.A. Now (θ) |
357.8° |
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Sep first |
0.2 |
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Sep last |
0.138 |
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Sep. Now (ρ) |
0.138" |
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Mag pri |
9.97 |
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Mag sec |
10.30 |
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delta mag (ΔM) |
0.33 |
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Spectral class |
G0V (yellow) |
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Pri motion ra |
+038 |
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Sec motion ra |
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Pri motion dec |
+023 |
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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 210022 |
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Constellation |
Grus |
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SAO |
230996 |
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HIP |
109288 |
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Tycho2 |
8001-01447-1 |
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Gaia DR2 |
6568033524288941696 |
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HD |
210022 |
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CD |
CD-4414778 |
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CP |
CP-4410177 |
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Distance |
117.51 |
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Distance ly |
383.32 |
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ORBITAL ELEMENTS
Period (P) | 37y | |
Periastron (T) | 2014.24y | |
Semi-major axis (a) | 0.122a | |
Eccentricity (e) | 0.6 | |
Inclination (i) | 134.4° | |
Longitude of periastron (ω) | 48.2° | |
Node (Ω) | 177.7° | |
Notes | | |
Reference | Tok2018i | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
305.5 |
0.146 |
2001 |
301.6 |
0.140 |
2002 |
297.2 |
0.134 |
2003 |
292.4 |
0.127 |
2004 |
287.1 |
0.120 |
2005 |
281.1 |
0.112 |
2006 |
274.2 |
0.105 |
2007 |
266.3 |
0.098 |
2008 |
257.1 |
0.091 |
2009 |
246.4 |
0.084 |
2010 |
234.0 |
0.078 |
2011 |
219.6 |
0.072 |
2012 |
202.7 |
0.066 |
2013 |
181.6 |
0.057 |
2014 |
150.3 |
0.044 |
2015 |
97.0 |
0.037 |
2016 |
50.3 |
0.050 |
2017 |
27.6 |
0.071 |
2018 |
15.2 |
0.091 |
2019 |
7.0 |
0.108 |
2020 |
0.9 |
0.122 |
2021 |
356.0 |
0.134 |
2022 |
351.8 |
0.144 |
2023 |
348.1 |
0.152 |
2024 |
344.8 |
0.158 |
2025 |
341.6 |
0.163 |
2026 |
338.7 |
0.167 |
2027 |
335.8 |
0.170 |
2028 |
333.0 |
0.171 |
2029 |
330.2 |
0.171 |
2030 |
327.5 |
0.171 |
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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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