| WDS: | HU577 | WDS ID/Discoverer |
| P: | 108.200 | Orbital period (years) |
| a: | 0.294 | Semi-major axis (arcseconds) |
| i: | 61.9 | Inclination (degrees) |
| Ω: | 35.6 | Longitude of ascending node (degrees) |
| T: | 1944.450 | Epoch of periastron passage (year) |
| e: | 0.392 | Eccentricity |
| ω: | 127.1 | Longitude of periastron (degrees) |
| Start-Year: | 1970.9 | Year |
| End-Year: | 2079.1 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU577 |
||
| Position: | 153248.18+194436.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15328+1945 | WDS designation |
| Discoverer Code: | HU577 | Discover designation and components |
| ADS number: | 9692 | Aitken Double Star catalog |
| HD number: | 138641 | HD catalog number |
| Hipparcos number: | 76118 | Hipparcos catalog number |
| V1: | 8.91 | Magnitude of the primary |
| V2: | 8.94 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2020 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Sca2020d | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.330 34.72 -------------------------- 1970.90 0.170 279.12 1971.90 0.169 283.47 1972.90 0.168 287.88 1973.90 0.167 292.33 1974.90 0.168 296.78 1975.90 0.169 301.18 1976.90 0.170 305.52 1977.90 0.173 309.75 1978.90 0.176 313.85 1979.90 0.179 317.81 1980.90 0.183 321.60 1981.90 0.188 325.21 1982.90 0.193 328.64 1983.90 0.198 331.90 1984.90 0.204 334.98 1985.90 0.210 337.89 1986.90 0.216 340.64 1987.90 0.222 343.23 1988.90 0.229 345.68 1989.90 0.235 347.99 1990.90 0.242 350.18 1991.90 0.249 352.25 1992.90 0.255 354.22 1993.90 0.262 356.08 1994.90 0.268 357.86 1995.90 0.275 359.55 1996.90 0.281 1.17 1997.90 0.287 2.72 1998.90 0.293 4.20 1999.90 0.299 5.62 2000.90 0.304 6.99 2001.90 0.310 8.32 2002.90 0.315 9.59 2003.90 0.320 10.83 2004.90 0.324 12.03 2005.90 0.329 13.20 2006.90 0.333 14.34 2007.90 0.337 15.45 2008.90 0.340 16.54 2009.90 0.343 17.61 2010.90 0.346 18.66 2011.90 0.348 19.70 2012.90 0.350 20.72 2013.90 0.352 21.73 2014.90 0.353 22.73 2015.90 0.354 23.73 2016.90 0.354 24.73 2017.90 0.354 25.72 2018.90 0.353 26.72 2019.90 0.352 27.72 2020.90 0.350 28.74 2021.90 0.348 29.76 2022.90 0.345 30.80 2023.90 0.342 31.85 2024.90 0.338 32.93 2025.90 0.333 34.04 2026.90 0.328 35.18 2027.90 0.322 36.36 2028.90 0.315 37.59 2029.90 0.308 38.87 2030.90 0.300 40.21 2031.90 0.291 41.64 2032.90 0.282 43.15 2033.90 0.272 44.78 2034.90 0.261 46.54 2035.90 0.249 48.46 2036.90 0.236 50.59 2037.90 0.223 52.96 2038.90 0.208 55.64 2039.90 0.194 58.73 2040.90 0.178 62.33 2041.90 0.163 66.63 2042.90 0.147 71.84 2043.90 0.131 78.30 2044.90 0.117 86.42 2045.90 0.104 96.68 2046.90 0.095 109.39 2047.90 0.089 124.24 2048.90 0.090 139.92 2049.90 0.095 154.64 2050.90 0.105 167.20 2051.90 0.117 177.39 2052.90 0.130 185.57 2053.90 0.144 192.20 2054.90 0.157 197.69 2055.90 0.169 202.37 2056.90 0.180 206.46 2057.90 0.189 210.11 2058.90 0.197 213.45 2059.90 0.203 216.56 2060.90 0.208 219.52 2061.90 0.211 222.36 2062.90 0.213 225.14 2063.90 0.213 227.88 2064.90 0.213 230.62 2065.90 0.212 233.38 2066.90 0.210 236.18 2067.90 0.207 239.05 2068.90 0.204 241.99 2069.90 0.201 245.02 2070.90 0.197 248.17 2071.90 0.193 251.44 2072.90 0.189 254.84 2073.90 0.186 258.38 2074.90 0.182 262.08 2075.90 0.178 265.92 2076.90 0.175 269.90 2077.90 0.173 274.02 2078.90 0.170 278.26
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 17:16:31 |