| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:19:18 |
| WDS: | BU1015 | WDS ID/Discoverer |
| P: | 137.000 | Orbital period (years) |
| a: | 0.333 | Semi-major axis (arcseconds) |
| i: | 35.0 | Inclination (degrees) |
| Ω: | 291.2 | Longitude of ascending node (degrees) |
| T: | 1961.650 | Epoch of periastron passage (year) |
| e: | 0.557 | Eccentricity |
| ω: | 10.0 | Longitude of periastron (degrees) |
| Start-Year: | 1957.0 | Year |
| End-Year: | 2093.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 002038.21+121839.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00206+1219 | WDS designation |
| Discoverer Code: | BU1015 | Discover designation and components |
| ADS number: | 281 | Aitken Double Star catalog |
| HD number: | 1634 | HD catalog number |
| Hipparcos number: | 1646 | Hipparcos catalog number |
| V1: | 8.39 | Magnitude of the primary |
| V2: | 9.67 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 2 | 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 0.516 115.6 ------------------------- 1957.0 0.156 259.0 1958.0 0.154 267.3 1959.0 0.152 275.8 1960.0 0.150 284.5 1961.0 0.148 293.5 1962.0 0.146 302.7 1963.0 0.145 312.0 1964.0 0.144 321.5 1965.0 0.144 331.1 1966.0 0.145 340.5 1967.0 0.148 349.8 1968.0 0.152 358.6 1969.0 0.157 6.9 1970.0 0.164 14.5 1971.0 0.172 21.6 1972.0 0.181 28.0 1973.0 0.190 33.7 1974.0 0.200 38.9 1975.0 0.211 43.6 1976.0 0.221 47.9 1977.0 0.232 51.8 1978.0 0.243 55.3 1979.0 0.253 58.5 1980.0 0.264 61.5 1981.0 0.275 64.2 1982.0 0.285 66.7 1983.0 0.296 69.1 1984.0 0.306 71.3 1985.0 0.316 73.3 1986.0 0.325 75.3 1987.0 0.335 77.1 1988.0 0.344 78.8 1989.0 0.353 80.4 1990.0 0.361 82.0 1991.0 0.370 83.5 1992.0 0.378 84.9 1993.0 0.386 86.3 1994.0 0.394 87.6 1995.0 0.401 88.8 1996.0 0.408 90.0 1997.0 0.415 91.2 1998.0 0.422 92.3 1999.0 0.428 93.4 2000.0 0.434 94.5 2001.0 0.440 95.5 2002.0 0.446 96.5 2003.0 0.452 97.5 2004.0 0.457 98.5 2005.0 0.462 99.4 2006.0 0.467 100.3 2007.0 0.471 101.2 2008.0 0.475 102.1 2009.0 0.480 103.0 2010.0 0.483 103.8 2011.0 0.487 104.7 2012.0 0.491 105.5 2013.0 0.494 106.3 2014.0 0.497 107.1 2015.0 0.499 107.9 2016.0 0.502 108.7 2017.0 0.504 109.5 2018.0 0.507 110.3 2019.0 0.508 111.1 2020.0 0.510 111.8 2021.0 0.512 112.6 2022.0 0.513 113.3 2023.0 0.514 114.1 2024.0 0.515 114.8 2025.0 0.516 115.6 2026.0 0.516 116.3 2027.0 0.516 117.1 2028.0 0.516 117.8 2029.0 0.516 118.6 2030.0 0.516 119.3 2031.0 0.515 120.1 2032.0 0.515 120.8 2033.0 0.514 121.5 2034.0 0.513 122.3 2035.0 0.511 123.1 2036.0 0.510 123.8 2037.0 0.508 124.6 2038.0 0.506 125.4 2039.0 0.504 126.1 2040.0 0.502 126.9 2041.0 0.499 127.7 2042.0 0.496 128.5 2043.0 0.494 129.3 2044.0 0.490 130.1 2045.0 0.487 131.0 2046.0 0.484 131.8 2047.0 0.480 132.7 2048.0 0.476 133.5 2049.0 0.472 134.4 2050.0 0.468 135.3 2051.0 0.463 136.2 2052.0 0.458 137.2 2053.0 0.454 138.1 2054.0 0.448 139.1 2055.0 0.443 140.1 2056.0 0.438 141.1 2057.0 0.432 142.2 2058.0 0.426 143.2 2059.0 0.420 144.3 2060.0 0.414 145.5 2061.0 0.407 146.7 2062.0 0.401 147.9 2063.0 0.394 149.1 2064.0 0.387 150.4 2065.0 0.379 151.8 2066.0 0.372 153.2 2067.0 0.364 154.6 2068.0 0.357 156.2 2069.0 0.349 157.8 2070.0 0.340 159.4 2071.0 0.332 161.2 2072.0 0.324 163.0 2073.0 0.315 165.0 2074.0 0.306 167.0 2075.0 0.297 169.2 2076.0 0.288 171.5 2077.0 0.279 174.0 2078.0 0.270 176.6 2079.0 0.261 179.4 2080.0 0.252 182.4 2081.0 0.243 185.7 2082.0 0.234 189.2 2083.0 0.225 192.9 2084.0 0.216 197.0 2085.0 0.208 201.4 2086.0 0.200 206.2 2087.0 0.192 211.3 2088.0 0.185 216.9 2089.0 0.179 222.9 2090.0 0.173 229.4 2091.0 0.168 236.2 2092.0 0.163 243.5