00533-4530 B 644 (HD 5218)
00h 53m 20.22s -45° 30' 20.7" P.A. 359.00 sep 0.3 mag 9.05,9.05 Sp F3III/IV dist. 298.51 pc (973.74 l.y.)
| Coord 2000 |
00533-4530 |
|
Discov num |
B 644 |
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Comp |
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Coord arcsec 2000 |
00 53 20.22 -45 30 20.7 |
|
| Date first |
1926 |
|
Date last |
2021 |
|
Obs |
23 |
|
| Pa first |
256 |
|
Pa last |
359.2 |
|
P.A. Now (θ) |
359.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.277 |
|
Sep. Now (ρ) |
0.277" |
|
| Mag pri |
9.05 |
|
Mag sec |
9.05 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F3III/IV (yellow-white) |
|
| Pri motion ra |
+020 |
|
Sec motion ra |
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| Pri motion dec |
-001 |
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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 5218 |
|
Constellation |
Phoenix |
|
SAO |
215279 |
|
HIP |
4177 |
|
| Tycho2 |
8031-00956-1 |
|
HD |
5218 |
|
CD |
CD-46 241 |
|
CP |
CP-46 88 |
|
| Distance |
298.51 |
|
Distance ly |
973.74 |
|
ORBITAL ELEMENTS
| Period (P) | 473.4y | |
Periastron (T) | 2460.04y | |
Semi-major axis (a) | 0.366a | |
| Eccentricity (e) | 0.233 | |
Inclination (i) | 51.4° | |
Longitude of periastron (ω) | 343.5° | |
| Node (Ω) | 341.6° | |
Notes | | |
Reference | Msn2019 | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
341.7 |
0.283 |
| 2001 |
342.5 |
0.283 |
| 2002 |
343.3 |
0.284 |
| 2003 |
344.0 |
0.284 |
| 2004 |
344.8 |
0.284 |
| 2005 |
345.6 |
0.284 |
| 2006 |
346.3 |
0.284 |
| 2007 |
347.1 |
0.284 |
| 2008 |
347.9 |
0.284 |
| 2009 |
348.6 |
0.284 |
| 2010 |
349.4 |
0.283 |
| 2011 |
350.2 |
0.283 |
| 2012 |
351.0 |
0.283 |
| 2013 |
351.7 |
0.283 |
| 2014 |
352.5 |
0.282 |
| 2015 |
353.3 |
0.282 |
| 2016 |
354.1 |
0.281 |
| 2017 |
354.8 |
0.281 |
| 2018 |
355.6 |
0.280 |
| 2019 |
356.4 |
0.279 |
| 2020 |
357.2 |
0.279 |
| 2021 |
358.0 |
0.278 |
| 2022 |
358.8 |
0.277 |
| 2023 |
359.6 |
0.276 |
| 2024 |
0.4 |
0.276 |
| 2025 |
1.2 |
0.275 |
| 2026 |
2.1 |
0.274 |
| 2027 |
2.9 |
0.273 |
| 2028 |
3.7 |
0.272 |
| 2029 |
4.6 |
0.271 |
| 2030 |
5.4 |
0.270 |
| 2031 |
6.3 |
0.269 |
| 2032 |
7.1 |
0.268 |
| 2033 |
8.0 |
0.267 |
| 2034 |
8.9 |
0.266 |
| 2035 |
9.7 |
0.265 |
| 2036 |
10.6 |
0.263 |
| 2037 |
11.5 |
0.262 |
| 2038 |
12.4 |
0.261 |
| 2039 |
13.3 |
0.260 |
| 2040 |
14.2 |
0.259 |
| 2041 |
15.2 |
0.258 |
| 2042 |
16.1 |
0.256 |
| 2043 |
17.1 |
0.255 |
| 2044 |
18.0 |
0.254 |
| 2045 |
19.0 |
0.253 |
| 2046 |
19.9 |
0.252 |
| 2047 |
20.9 |
0.250 |
| 2048 |
21.9 |
0.249 |
| 2049 |
22.9 |
0.248 |
| 2050 |
23.9 |
0.247 |
|
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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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