| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:36:31 |
| WDS: | I557 | WDS ID/Discoverer |
| P: | 136.200 | Orbital period (years) |
| a: | 0.62 | Semi-major axis (arcseconds) |
| i: | 85.9 | Inclination (degrees) |
| Ω: | 26.3 | Longitude of ascending node (degrees) |
| T: | 2034.000 | Epoch of periastron passage (year) |
| e: | 0.726 | Eccentricity |
| ω: | 248.4 | Longitude of periastron (degrees) |
| Start-Year: | 1957.0 | Year |
| End-Year: | 2093.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 160926.97-310311.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16094-3103 | WDS designation |
| Discoverer Code: | I557 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 144926 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 7.8 | Magnitude of the primary |
| V2: | 8.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | 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 0.292 202.6 ------------------------- 1957.0 0.486 34.3 1958.0 0.477 34.5 1959.0 0.468 34.7 1960.0 0.459 34.9 1961.0 0.449 35.2 1962.0 0.440 35.4 1963.0 0.430 35.7 1964.0 0.420 36.0 1965.0 0.410 36.3 1966.0 0.399 36.6 1967.0 0.389 36.9 1968.0 0.378 37.2 1969.0 0.367 37.6 1970.0 0.357 38.0 1971.0 0.346 38.4 1972.0 0.334 38.8 1973.0 0.323 39.3 1974.0 0.312 39.8 1975.0 0.300 40.3 1976.0 0.289 40.9 1977.0 0.277 41.5 1978.0 0.265 42.2 1979.0 0.253 42.9 1980.0 0.241 43.7 1981.0 0.229 44.6 1982.0 0.217 45.6 1983.0 0.205 46.8 1984.0 0.193 48.0 1985.0 0.181 49.4 1986.0 0.169 51.1 1987.0 0.157 53.0 1988.0 0.146 55.1 1989.0 0.134 57.7 1990.0 0.123 60.7 1991.0 0.111 64.4 1992.0 0.101 68.9 1993.0 0.091 74.3 1994.0 0.082 81.0 1995.0 0.075 89.2 1996.0 0.069 99.0 1997.0 0.065 110.1 1998.0 0.064 122.1 1999.0 0.066 133.9 2000.0 0.071 144.5 2001.0 0.077 153.7 2002.0 0.085 161.3 2003.0 0.095 167.5 2004.0 0.105 172.5 2005.0 0.116 176.6 2006.0 0.127 180.0 2007.0 0.138 182.9 2008.0 0.149 185.3 2009.0 0.161 187.4 2010.0 0.172 189.2 2011.0 0.184 190.8 2012.0 0.195 192.2 2013.0 0.206 193.4 2014.0 0.217 194.5 2015.0 0.227 195.5 2016.0 0.237 196.5 2017.0 0.247 197.3 2018.0 0.256 198.1 2019.0 0.265 198.8 2020.0 0.272 199.5 2021.0 0.279 200.2 2022.0 0.285 200.8 2023.0 0.289 201.4 2024.0 0.292 202.0 2025.0 0.292 202.6 2026.0 0.291 203.2 2027.0 0.286 203.8 2028.0 0.277 204.4 2029.0 0.264 205.1 2030.0 0.244 205.9 2031.0 0.215 206.8 2032.0 0.176 208.1 2033.0 0.125 210.4 2034.0 0.064 216.5 2035.0 0.014 322.7 2036.0 0.076 16.6 2037.0 0.139 21.3 2038.0 0.195 23.2 2039.0 0.245 24.2 2040.0 0.289 24.9 2041.0 0.328 25.4 2042.0 0.362 25.9 2043.0 0.393 26.2 2044.0 0.420 26.5 2045.0 0.445 26.8 2046.0 0.467 27.0 2047.0 0.486 27.2 2048.0 0.504 27.5 2049.0 0.520 27.6 2050.0 0.535 27.8 2051.0 0.547 28.0 2052.0 0.559 28.2 2053.0 0.569 28.3 2054.0 0.579 28.5 2055.0 0.587 28.6 2056.0 0.594 28.8 2057.0 0.600 28.9 2058.0 0.606 29.0 2059.0 0.611 29.2 2060.0 0.614 29.3 2061.0 0.618 29.4 2062.0 0.620 29.6 2063.0 0.622 29.7 2064.0 0.624 29.8 2065.0 0.624 29.9 2066.0 0.624 30.1 2067.0 0.624 30.2 2068.0 0.623 30.3 2069.0 0.622 30.5 2070.0 0.620 30.6 2071.0 0.618 30.7 2072.0 0.616 30.9 2073.0 0.613 31.0 2074.0 0.609 31.1 2075.0 0.606 31.3 2076.0 0.602 31.4 2077.0 0.597 31.5 2078.0 0.592 31.7 2079.0 0.587 31.8 2080.0 0.582 32.0 2081.0 0.576 32.1 2082.0 0.570 32.3 2083.0 0.564 32.4 2084.0 0.557 32.6 2085.0 0.551 32.7 2086.0 0.544 32.9 2087.0 0.536 33.1 2088.0 0.529 33.3 2089.0 0.521 33.4 2090.0 0.513 33.6 2091.0 0.505 33.8 2092.0 0.496 34.0