| Coord 2000 | 20182+2912 |
Discov num | A 1205 |
Comp | Coord arcsec 2000 | 20 18 13.44 +29 12 15.0 |
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| Date first | 1905 |
Date last | 2018 |
Obs | 63 |
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| Pa first | 346 |
Pa last | 96 |
P.A. Now (θ) | 96.6° |
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| Sep first | 0.3 |
Sep last | 1.2 |
Sep. Now (ρ) | 1.24" |
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| Mag pri | 9.17 |
Mag sec | 10.08 |
delta mag (ΔM) | 0.91 |
Spectral class | M0 (red) |
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| Pri motion ra | -006 |
Sec motion ra | -006 |
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| Pri motion dec | -087 |
Sec motion dec | -087 |
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| Notes | O
(Orbital solution) |
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| Precise pa | 96 |
Precise sep | 1.232 |
Constellation | Vulpecula |
SAO | 88492 |
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| HIP | 100079 |
Tycho2 | 2167-01052-1 |
Gaia DR2 | 76179555712 |
HD | 334100 |
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| ADS | 13665 |
BD | BD+28 3698 |
Distance | 34.72 |
Distance ly | 113.26 |
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| last precise pa | 96 |
last precise sep | 1.232 |
| Period (P) | 493.2y | Periastron (T) | 1970.78y | Semi-major axis (a) | 1.942a | |||
| Eccentricity (e) | 0.913 | Inclination (i) | 98.1° | Longitude of periastron (ω) | 74° | |||
| Node (Ω) | 285.72° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
| Equinox | 2000 | Last observation | 2005 |
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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| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20182+2912 | A 1205 | 2007 | 55 | 98 | 1.1 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
| 20182+2912 | A 1205 | 2009 | 56 | 98 | 1.1 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
| 20182+2912 | A 1205 | 2010 | 57 | 97 | 1.2 | 9.17 | 10.08 | M0 | NOD | 201813.44+291215.0 | |
| 20182+2912 | A 1205 | 2016 | 60 | 96 | 1.2 | 9.17 | 10.08 | M0 | O | 201813.44+291215.0 | |
| 20182+2912 | A 1205 | 2017 | 62 | 97 | 1.2 | 9.17 | 10.08 | M0 | O | 201813.44+291215.0 |