| Coord 2000 | 19580+0456 |
Discov num | A 606 |
Comp | Coord arcsec 2000 | 19 58 02.80 +04 56 08.4 |
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| Date first | 1903 |
Date last | 2018 |
Obs | 83 |
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| Pa first | 106 |
Pa last | 345 |
P.A. Now (θ) | 167.1° |
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| Sep first | 0.3 |
Sep last | 0.6 |
Sep. Now (ρ) | 0.55" |
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| Mag pri | 9.52 |
Mag sec | 9.33 |
delta mag (ΔM) | 0.19 |
Spectral class | G5 (yellow) |
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| Pri motion ra | +026 |
Sec motion ra | +026 |
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| Pri motion dec | +003 |
Sec motion dec | +003 |
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| Notes | |||||||||||
| Precise pa | 344.9 |
Precise sep | 0.591 |
Constellation | Aquila |
HIP | 98272 |
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| Tycho2 | 0489-01421-1 |
Gaia DR2 | 4248447753598217216 |
HD | 189044 |
ADS | 13169 |
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| BD | BD+04 4292 |
Distance | 132.8 |
Distance ly | 433.19 |
last precise pa | 344.9 |
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| last precise sep | 0.591 |
| Period (P) | 220.8y | Periastron (T) | 1924.46y | Semi-major axis (a) | 0.41a | |||
| Eccentricity (e) | 0.379 | Inclination (i) | 12.5° | Longitude of periastron (ω) | 251.3° | |||
| Node (Ω) | 107.5° | Note | Grade | 3 | (1=Definitive, 9=Indet.) | |||
| Equinox | 2000 | Last observation | 2018 |
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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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| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 19580+0456 | A 606 | 2003 | 77 | 333 | 0.5 | 9.52 | 9.33 | G5 | NOD | 195802.80+045608.4 | |
| 19580+0456 | A 606 | 2008 | 78 | 337 | 0.6 | 9.52 | 9.33 | G5 | NOD | 195802.80+045608.4 | |
| 19580+0456 | A 606 | 2017 | 77 | 344 | 0.6 | 9.52 | 9.33 | G5 | NO | 195802.80+045608.4 | |
| 19580+0456 | A 606 | 2018 | 78 | 165 | 0.6 | 9.52 | 9.33 | G5 | NO | 195802.80+045608.4 |