| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:20:25 |
| WDS: | HU898 | WDS ID/Discoverer |
| P: | 128.250 | Orbital period (years) |
| a: | 0.323 | Semi-major axis (arcseconds) |
| i: | 38.7 | Inclination (degrees) |
| Ω: | 33.0 | Longitude of ascending node (degrees) |
| T: | 1984.630 | Epoch of periastron passage (year) |
| e: | 0.783 | Eccentricity |
| ω: | 108.9 | Longitude of periastron (degrees) |
| Start-Year: | 1961.0 | Year |
| End-Year: | 2089.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 135356.44-191005.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13539-1910 | WDS designation |
| Discoverer Code: | HU898 | Discover designation and components |
| ADS number: | 9043 | Aitken Double Star catalog |
| HD number: | 121137 | HD catalog number |
| Hipparcos number: | 67859 | Hipparcos catalog number |
| V1: | 8.70 | Magnitude of the primary |
| V2: | 9.23 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2011 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.407 309.3 ------------------------- 1961.0 0.366 356.9 1962.0 0.359 358.0 1963.0 0.352 359.1 1964.0 0.344 0.3 1965.0 0.336 1.5 1966.0 0.328 2.8 1967.0 0.319 4.2 1968.0 0.309 5.6 1969.0 0.300 7.1 1970.0 0.289 8.8 1971.0 0.278 10.6 1972.0 0.267 12.5 1973.0 0.255 14.6 1974.0 0.242 16.9 1975.0 0.228 19.4 1976.0 0.213 22.4 1977.0 0.197 25.7 1978.0 0.180 29.7 1979.0 0.162 34.6 1980.0 0.141 40.8 1981.0 0.119 49.2 1982.0 0.096 61.6 1983.0 0.073 82.2 1984.0 0.057 118.0 1985.0 0.060 162.2 1986.0 0.078 192.9 1987.0 0.098 211.5 1988.0 0.116 224.0 1989.0 0.132 233.3 1990.0 0.147 240.6 1991.0 0.160 246.7 1992.0 0.173 251.8 1993.0 0.185 256.2 1994.0 0.196 260.1 1995.0 0.207 263.6 1996.0 0.217 266.8 1997.0 0.227 269.7 1998.0 0.237 272.3 1999.0 0.246 274.7 2000.0 0.255 277.0 2001.0 0.263 279.1 2002.0 0.272 281.1 2003.0 0.280 283.0 2004.0 0.288 284.7 2005.0 0.295 286.4 2006.0 0.302 288.0 2007.0 0.310 289.5 2008.0 0.316 291.0 2009.0 0.323 292.4 2010.0 0.330 293.7 2011.0 0.336 295.0 2012.0 0.342 296.2 2013.0 0.348 297.4 2014.0 0.354 298.6 2015.0 0.360 299.7 2016.0 0.365 300.8 2017.0 0.370 301.8 2018.0 0.375 302.8 2019.0 0.380 303.8 2020.0 0.385 304.8 2021.0 0.390 305.8 2022.0 0.394 306.7 2023.0 0.399 307.6 2024.0 0.403 308.5 2025.0 0.407 309.3 2026.0 0.411 310.2 2027.0 0.415 311.0 2028.0 0.419 311.8 2029.0 0.422 312.6 2030.0 0.426 313.4 2031.0 0.429 314.2 2032.0 0.432 315.0 2033.0 0.435 315.7 2034.0 0.438 316.5 2035.0 0.440 317.2 2036.0 0.443 317.9 2037.0 0.445 318.7 2038.0 0.448 319.4 2039.0 0.450 320.1 2040.0 0.452 320.8 2041.0 0.454 321.5 2042.0 0.456 322.2 2043.0 0.457 322.8 2044.0 0.459 323.5 2045.0 0.460 324.2 2046.0 0.462 324.9 2047.0 0.463 325.5 2048.0 0.464 326.2 2049.0 0.465 326.8 2050.0 0.465 327.5 2051.0 0.466 328.2 2052.0 0.466 328.8 2053.0 0.467 329.5 2054.0 0.467 330.1 2055.0 0.467 330.8 2056.0 0.467 331.4 2057.0 0.466 332.1 2058.0 0.466 332.7 2059.0 0.465 333.4 2060.0 0.465 334.0 2061.0 0.464 334.7 2062.0 0.463 335.4 2063.0 0.462 336.0 2064.0 0.461 336.7 2065.0 0.459 337.4 2066.0 0.457 338.1 2067.0 0.456 338.7 2068.0 0.454 339.4 2069.0 0.452 340.1 2070.0 0.449 340.8 2071.0 0.447 341.5 2072.0 0.444 342.2 2073.0 0.442 343.0 2074.0 0.439 343.7 2075.0 0.435 344.4 2076.0 0.432 345.2 2077.0 0.428 346.0 2078.0 0.425 346.7 2079.0 0.421 347.5 2080.0 0.416 348.4 2081.0 0.412 349.2 2082.0 0.407 350.0 2083.0 0.402 350.9 2084.0 0.397 351.8 2085.0 0.392 352.7 2086.0 0.386 353.6 2087.0 0.380 354.6 2088.0 0.374 355.6