23455-1610 MTG 5
23h 45m 31.27s -16° 10' 19.3" P.A. 168.00 sep 0.1 mag 14.00,14.40
| Coord 2000 |
23455-1610 |
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Discov num |
MTG 5 |
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Comp |
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Coord arcsec 2000 |
23 45 31.27 -16 10 19.3 |
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| Date first |
2005 |
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Date last |
2021 |
|
Obs |
20 |
|
| Pa first |
238 |
|
Pa last |
167.8 |
|
P.A. Now (θ) |
167.8° |
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| Sep first |
0.1 |
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Sep last |
0.139 |
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Sep. Now (ρ) |
0.139" |
|
| Mag pri |
14.00 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
0.4 |
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Spectral class |
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| Pri motion ra |
-397 |
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Sec motion ra |
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| Pri motion dec |
-561 |
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Sec motion dec |
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| Notes |
O
R
(Orbital solution, Red magnitudes) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 24.7y | ± 1.9 |
Periastron (T) | 61617d (2027.577y) | ± 656 |
Semi-major axis (a) | 444m | ± 23 |
| Eccentricity (e) | 0.386 | ± 0.054 |
Inclination (i) | 98.37° | ± 0.45 |
Longitude of periastron (ω) | 12° | ± 8.1 |
| Node (Ω) | 10.69° | ± 0.31 |
Notes | | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
34.1 |
0.126 |
| 2001 |
19.9 |
0.214 |
| 2002 |
13.5 |
0.269 |
| 2003 |
8.2 |
0.262 |
| 2004 |
0.7 |
0.188 |
| 2005 |
335.1 |
0.080 |
| 2006 |
229.6 |
0.085 |
| 2007 |
206.6 |
0.199 |
| 2008 |
200.3 |
0.307 |
| 2009 |
197.2 |
0.399 |
| 2010 |
195.1 |
0.474 |
| 2011 |
193.6 |
0.532 |
| 2012 |
192.4 |
0.574 |
| 2013 |
191.2 |
0.600 |
| 2014 |
190.2 |
0.610 |
| 2015 |
189.2 |
0.605 |
| 2016 |
188.1 |
0.586 |
| 2017 |
186.9 |
0.553 |
| 2018 |
185.5 |
0.506 |
| 2019 |
183.8 |
0.445 |
| 2020 |
181.5 |
0.372 |
| 2021 |
177.9 |
0.287 |
| 2022 |
170.9 |
0.192 |
| 2023 |
150.0 |
0.097 |
| 2024 |
66.7 |
0.069 |
| 2025 |
28.1 |
0.154 |
| 2026 |
17.7 |
0.236 |
| 2027 |
11.9 |
0.275 |
| 2028 |
6.4 |
0.246 |
| 2029 |
356.8 |
0.157 |
| 2030 |
308.3 |
0.056 |
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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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