| Coord 2000 | 17591+3228 |
Discov num | HU 1185 |
Comp | Coord arcsec 2000 | 17 59 04.61 +32 28 26.3 |
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| Date first | 1905 |
Date last | 2016 |
Obs | 23 |
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| Pa first | 184 |
Pa last | 146 |
P.A. Now (θ) | 147.2° |
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| Sep first | 0.3 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.42" |
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| Mag pri | 9.81 |
Mag sec | 10.48 |
delta mag (ΔM) | 0.67 |
Spectral class | G0 (yellow) |
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| Pri motion ra | -005 |
Sec motion ra | |||||||||
| Pri motion dec | +045 |
Sec motion dec | |||||||||
| Notes | O
(Orbital solution) |
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| Precise pa | 145.5 |
Precise sep | 0.394 |
Constellation | Hercules |
SAO | 66537 |
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| HIP | 88057 |
Tycho2 | 2612-01725-1 |
Gaia DR2 | 4603229610077339520 |
ADS | 10954 |
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| BD | BD+32 3024 |
Distance | 134.05 |
Distance ly | 437.27 |
last precise pa | 145.5 |
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| last precise sep | 0.394 |
| Period (P) | 240y | Periastron (T) | 1951.4y | Semi-major axis (a) | 0.383a | |||
| Eccentricity (e) | 0.65 | Inclination (i) | 49.1° | Longitude of periastron (ω) | 324.2° | |||
| Node (Ω) | 14.6° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
| Equinox | 2000 | Last observation | 2009 |
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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 |
| 17591+3228 | HU 1185 | 1995 | 15 | 126 | 0.2 | 9.81 | 10.48 | G0 | NO | 175904.61+322826.3 | |
| 17591+3228 | HU 1185 | 2007 | 16 | 136 | 0.4 | 9.81 | 10.48 | G0 | NO | 175904.61+322826.3 | |
| 17591+3228 | HU 1185 | 2009 | 18 | 139 | 0.4 | 9.81 | 10.48 | G0 | NO | 175904.61+322826.3 | |
| 17591+3228 | HU 1185 | 2010 | 21 | 138 | 0.4 | 9.81 | 10.48 | G0 | O | 175904.61+322826.3 |