| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:55:42 |
| WDS: | DAW79 | WDS ID/Discoverer |
| P: | 97.138 | Orbital period (years) |
| a: | 0.454 | Semi-major axis (arcseconds) |
| i: | 130.3 | Inclination (degrees) |
| Ω: | 155.1 | Longitude of ascending node (degrees) |
| T: | 1999.550 | Epoch of periastron passage (year) |
| e: | 0.703 | Eccentricity |
| ω: | 249.8 | Longitude of periastron (degrees) |
| Start-Year: | 1977.0 | Year |
| End-Year: | 2073.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 040221.85-283151.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04024-2832 | WDS designation |
| Discoverer Code: | DAW79 | Discover designation and components |
| ADS number: | 2952 | Aitken Double Star catalog |
| HD number: | 25546 | HD catalog number |
| Hipparcos number: | 18839 | Hipparcos catalog number |
| V1: | 8.28 | Magnitude of the primary |
| V2: | 8.71 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.538 121.2 ------------------------- 1977.0 0.398 53.6 1978.0 0.391 51.3 1979.0 0.384 49.0 1980.0 0.376 46.5 1981.0 0.369 44.0 1982.0 0.361 41.4 1983.0 0.354 38.6 1984.0 0.346 35.7 1985.0 0.338 32.7 1986.0 0.330 29.6 1987.0 0.321 26.3 1988.0 0.312 22.8 1989.0 0.302 19.0 1990.0 0.292 15.1 1991.0 0.281 10.8 1992.0 0.269 6.2 1993.0 0.256 1.1 1994.0 0.241 355.4 1995.0 0.222 348.8 1996.0 0.201 341.0 1997.0 0.174 331.0 1998.0 0.142 316.8 1999.0 0.108 293.9 2000.0 0.089 255.6 2001.0 0.104 215.5 2002.0 0.141 191.3 2003.0 0.182 177.6 2004.0 0.220 168.9 2005.0 0.254 162.6 2006.0 0.285 157.7 2007.0 0.313 153.8 2008.0 0.338 150.5 2009.0 0.360 147.6 2010.0 0.380 145.0 2011.0 0.399 142.7 2012.0 0.416 140.6 2013.0 0.431 138.6 2014.0 0.445 136.8 2015.0 0.458 135.1 2016.0 0.470 133.5 2017.0 0.481 131.9 2018.0 0.491 130.4 2019.0 0.500 129.0 2020.0 0.508 127.6 2021.0 0.515 126.2 2022.0 0.522 124.9 2023.0 0.528 123.7 2024.0 0.534 122.4 2025.0 0.538 121.2 2026.0 0.543 120.0 2027.0 0.547 118.8 2028.0 0.550 117.6 2029.0 0.553 116.5 2030.0 0.555 115.3 2031.0 0.557 114.2 2032.0 0.559 113.1 2033.0 0.560 112.0 2034.0 0.561 110.8 2035.0 0.561 109.7 2036.0 0.562 108.6 2037.0 0.561 107.5 2038.0 0.561 106.4 2039.0 0.560 105.3 2040.0 0.559 104.1 2041.0 0.558 103.0 2042.0 0.556 101.9 2043.0 0.554 100.7 2044.0 0.552 99.6 2045.0 0.549 98.4 2046.0 0.546 97.3 2047.0 0.544 96.1 2048.0 0.540 94.9 2049.0 0.537 93.7 2050.0 0.533 92.4 2051.0 0.530 91.2 2052.0 0.526 89.9 2053.0 0.521 88.6 2054.0 0.517 87.3 2055.0 0.512 86.0 2056.0 0.508 84.7 2057.0 0.503 83.3 2058.0 0.498 81.9 2059.0 0.492 80.5 2060.0 0.487 79.0 2061.0 0.482 77.5 2062.0 0.476 76.0 2063.0 0.470 74.4 2064.0 0.464 72.8 2065.0 0.458 71.1 2066.0 0.452 69.4 2067.0 0.446 67.7 2068.0 0.439 65.9 2069.0 0.433 64.0 2070.0 0.426 62.1 2071.0 0.420 60.2 2072.0 0.413 58.1