| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:13:36 |
| WDS: | A871 | WDS ID/Discoverer |
| P: | 149.000 | Orbital period (years) |
| a: | 0.316 | Semi-major axis (arcseconds) |
| i: | 57.0 | Inclination (degrees) |
| Ω: | 72.1 | Longitude of ascending node (degrees) |
| T: | 2024.000 | Epoch of periastron passage (year) |
| e: | 0.67 | Eccentricity |
| ω: | 248.0 | Longitude of periastron (degrees) |
| Start-Year: | 1951.0 | Year |
| End-Year: | 2099.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 202724.67+724438.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20274+7245 | WDS designation |
| Discoverer Code: | A871 | Discover designation and components |
| ADS number: | 13914 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.4 | Magnitude of the primary |
| V2: | 9.6 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 5 | 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 0.058 331.7 ------------------------- 1951.0 0.328 126.9 1952.0 0.326 127.8 1953.0 0.323 128.7 1954.0 0.321 129.7 1955.0 0.319 130.6 1956.0 0.316 131.6 1957.0 0.313 132.6 1958.0 0.311 133.6 1959.0 0.308 134.6 1960.0 0.306 135.6 1961.0 0.303 136.7 1962.0 0.300 137.7 1963.0 0.297 138.8 1964.0 0.295 139.9 1965.0 0.292 141.1 1966.0 0.289 142.2 1967.0 0.287 143.4 1968.0 0.284 144.6 1969.0 0.281 145.8 1970.0 0.278 147.1 1971.0 0.276 148.3 1972.0 0.273 149.6 1973.0 0.270 151.0 1974.0 0.268 152.3 1975.0 0.265 153.7 1976.0 0.262 155.1 1977.0 0.260 156.5 1978.0 0.257 158.0 1979.0 0.255 159.5 1980.0 0.252 161.0 1981.0 0.250 162.5 1982.0 0.247 164.1 1983.0 0.245 165.7 1984.0 0.243 167.4 1985.0 0.240 169.0 1986.0 0.238 170.8 1987.0 0.236 172.5 1988.0 0.234 174.3 1989.0 0.232 176.1 1990.0 0.230 177.9 1991.0 0.228 179.8 1992.0 0.226 181.7 1993.0 0.224 183.6 1994.0 0.222 185.6 1995.0 0.220 187.5 1996.0 0.219 189.6 1997.0 0.217 191.6 1998.0 0.215 193.7 1999.0 0.214 195.8 2000.0 0.212 198.0 2001.0 0.210 200.2 2002.0 0.209 202.4 2003.0 0.207 204.7 2004.0 0.205 207.0 2005.0 0.203 209.3 2006.0 0.201 211.7 2007.0 0.199 214.1 2008.0 0.197 216.6 2009.0 0.195 219.2 2010.0 0.192 221.8 2011.0 0.189 224.5 2012.0 0.185 227.2 2013.0 0.181 230.1 2014.0 0.177 233.2 2015.0 0.171 236.4 2016.0 0.165 239.8 2017.0 0.158 243.6 2018.0 0.149 247.7 2019.0 0.138 252.5 2020.0 0.126 258.1 2021.0 0.112 264.9 2022.0 0.096 274.0 2023.0 0.080 286.7 2024.0 0.066 305.5 2025.0 0.058 331.7 2026.0 0.062 359.4 2027.0 0.075 20.4 2028.0 0.093 34.4 2029.0 0.112 43.8 2030.0 0.130 50.5 2031.0 0.148 55.5 2032.0 0.165 59.5 2033.0 0.180 62.8 2034.0 0.195 65.6 2035.0 0.208 68.0 2036.0 0.221 70.1 2037.0 0.232 72.0 2038.0 0.243 73.8 2039.0 0.253 75.4 2040.0 0.262 76.8 2041.0 0.271 78.2 2042.0 0.279 79.5 2043.0 0.287 80.7 2044.0 0.294 81.9 2045.0 0.300 83.0 2046.0 0.307 84.0 2047.0 0.312 85.0 2048.0 0.318 86.0 2049.0 0.323 87.0 2050.0 0.327 87.9 2051.0 0.331 88.8 2052.0 0.335 89.7 2053.0 0.339 90.5 2054.0 0.343 91.4 2055.0 0.346 92.2 2056.0 0.349 93.0 2057.0 0.351 93.8 2058.0 0.354 94.6 2059.0 0.356 95.4 2060.0 0.358 96.1 2061.0 0.360 96.9 2062.0 0.361 97.6 2063.0 0.363 98.4 2064.0 0.364 99.1 2065.0 0.365 99.9 2066.0 0.366 100.6 2067.0 0.366 101.3 2068.0 0.367 102.0 2069.0 0.367 102.8 2070.0 0.368 103.5 2071.0 0.368 104.2 2072.0 0.368 104.9 2073.0 0.368 105.6 2074.0 0.367 106.4 2075.0 0.367 107.1 2076.0 0.367 107.8 2077.0 0.366 108.5 2078.0 0.365 109.3 2079.0 0.364 110.0 2080.0 0.364 110.7 2081.0 0.363 111.5 2082.0 0.361 112.2 2083.0 0.360 113.0 2084.0 0.359 113.7 2085.0 0.358 114.5 2086.0 0.356 115.3 2087.0 0.354 116.0 2088.0 0.353 116.8 2089.0 0.351 117.6 2090.0 0.349 118.4 2091.0 0.348 119.2 2092.0 0.346 120.0 2093.0 0.344 120.8 2094.0 0.342 121.7 2095.0 0.340 122.5 2096.0 0.337 123.4 2097.0 0.335 124.2 2098.0 0.333 125.1