| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:45:01 |
| WDS: | A1530 | WDS ID/Discoverer |
| P: | 127.800 | Orbital period (years) |
| a: | 0.4924 | Semi-major axis (arcseconds) |
| i: | 83.14 | Inclination (degrees) |
| Ω: | 79.31 | Longitude of ascending node (degrees) |
| T: | 2020.700 | Epoch of periastron passage (year) |
| e: | 0.739 | Eccentricity |
| ω: | 78.72 | Longitude of periastron (degrees) |
| Start-Year: | 1962.0 | Year |
| End-Year: | 2088.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 030031.19+393421.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03005+3934 | WDS designation |
| Discoverer Code: | A1530 | Discover designation and components |
| ADS number: | 2273 | Aitken Double Star catalog |
| HD number: | 18567 | HD catalog number |
| Hipparcos number: | 14020 | Hipparcos catalog number |
| V1: | 9.29 | Magnitude of the primary |
| V2: | 10.11 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.198 257.2 ------------------------- 1962.0 0.156 299.6 1963.0 0.149 302.0 1964.0 0.142 304.6 1965.0 0.135 307.5 1966.0 0.128 310.7 1967.0 0.122 314.2 1968.0 0.117 318.0 1969.0 0.112 322.3 1970.0 0.107 326.8 1971.0 0.103 331.8 1972.0 0.100 337.1 1973.0 0.098 342.7 1974.0 0.097 348.4 1975.0 0.097 354.3 1976.0 0.097 0.1 1977.0 0.099 5.8 1978.0 0.102 11.3 1979.0 0.105 16.5 1980.0 0.109 21.3 1981.0 0.114 25.7 1982.0 0.119 29.8 1983.0 0.125 33.5 1984.0 0.131 36.9 1985.0 0.137 39.9 1986.0 0.144 42.7 1987.0 0.151 45.3 1988.0 0.158 47.6 1989.0 0.165 49.7 1990.0 0.172 51.6 1991.0 0.179 53.4 1992.0 0.187 55.0 1993.0 0.194 56.6 1994.0 0.201 58.0 1995.0 0.208 59.3 1996.0 0.215 60.5 1997.0 0.221 61.7 1998.0 0.228 62.8 1999.0 0.234 63.8 2000.0 0.240 64.8 2001.0 0.246 65.7 2002.0 0.251 66.6 2003.0 0.256 67.5 2004.0 0.260 68.3 2005.0 0.264 69.1 2006.0 0.267 69.9 2007.0 0.269 70.6 2008.0 0.270 71.4 2009.0 0.270 72.1 2010.0 0.269 72.9 2011.0 0.266 73.7 2012.0 0.262 74.4 2013.0 0.255 75.3 2014.0 0.246 76.1 2015.0 0.233 77.1 2016.0 0.215 78.2 2017.0 0.192 79.5 2018.0 0.160 81.3 2019.0 0.119 84.1 2020.0 0.068 90.8 2021.0 0.017 146.0 2022.0 0.057 243.7 2023.0 0.111 252.3 2024.0 0.158 255.4 2025.0 0.198 257.2 2026.0 0.232 258.4 2027.0 0.260 259.3 2028.0 0.284 260.0 2029.0 0.305 260.6 2030.0 0.323 261.2 2031.0 0.338 261.7 2032.0 0.352 262.2 2033.0 0.363 262.6 2034.0 0.373 263.0 2035.0 0.381 263.4 2036.0 0.389 263.8 2037.0 0.395 264.1 2038.0 0.400 264.5 2039.0 0.404 264.8 2040.0 0.407 265.1 2041.0 0.410 265.5 2042.0 0.412 265.8 2043.0 0.413 266.1 2044.0 0.414 266.4 2045.0 0.414 266.8 2046.0 0.413 267.1 2047.0 0.412 267.4 2048.0 0.411 267.7 2049.0 0.409 268.1 2050.0 0.407 268.4 2051.0 0.404 268.7 2052.0 0.401 269.1 2053.0 0.398 269.4 2054.0 0.395 269.8 2055.0 0.391 270.1 2056.0 0.387 270.5 2057.0 0.382 270.8 2058.0 0.377 271.2 2059.0 0.373 271.6 2060.0 0.367 272.0 2061.0 0.362 272.4 2062.0 0.356 272.9 2063.0 0.351 273.3 2064.0 0.345 273.8 2065.0 0.339 274.2 2066.0 0.332 274.7 2067.0 0.326 275.2 2068.0 0.319 275.7 2069.0 0.312 276.3 2070.0 0.305 276.9 2071.0 0.298 277.5 2072.0 0.291 278.1 2073.0 0.284 278.8 2074.0 0.277 279.5 2075.0 0.269 280.2 2076.0 0.262 281.0 2077.0 0.254 281.8 2078.0 0.247 282.7 2079.0 0.239 283.6 2080.0 0.231 284.6 2081.0 0.223 285.7 2082.0 0.216 286.8 2083.0 0.208 288.1 2084.0 0.200 289.4 2085.0 0.192 290.8 2086.0 0.184 292.4 2087.0 0.177 294.0