| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:32:16 |
| WDS: | HJ4786AB | WDS ID/Discoverer |
| P: | 190.000 | Orbital period (years) |
| a: | 0.655 | Semi-major axis (arcseconds) |
| i: | 95.0 | Inclination (degrees) |
| Ω: | 94.6 | Longitude of ascending node (degrees) |
| T: | 1885.000 | Epoch of periastron passage (year) |
| e: | 0.51 | Eccentricity |
| ω: | 311.5 | Longitude of periastron (degrees) |
| Start-Year: | 1930.0 | Year |
| End-Year: | 2120.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 153508.41-411000.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15351-4110 | WDS designation |
| Discoverer Code: | HJ4786AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 138690 | HD catalog number |
| Hipparcos number: | 76297 | Hipparcos catalog number |
| V1: | 2.95 | Magnitude of the primary |
| V2: | 4.45 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1988 | Date of last observation |
| Orbit grade: | 4 | 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 0.804 275.7 ------------------------- 1930.0 0.068 8.3 1931.0 0.070 355.4 1932.0 0.075 343.6 1933.0 0.082 333.5 1934.0 0.091 325.4 1935.0 0.102 318.9 1936.0 0.114 313.6 1937.0 0.127 309.4 1938.0 0.140 306.0 1939.0 0.153 303.1 1940.0 0.167 300.8 1941.0 0.181 298.7 1942.0 0.195 297.0 1943.0 0.209 295.5 1944.0 0.223 294.2 1945.0 0.237 293.0 1946.0 0.251 292.0 1947.0 0.265 291.1 1948.0 0.279 290.3 1949.0 0.293 289.5 1950.0 0.307 288.9 1951.0 0.320 288.2 1952.0 0.334 287.7 1953.0 0.348 287.1 1954.0 0.361 286.7 1955.0 0.374 286.2 1956.0 0.387 285.8 1957.0 0.401 285.4 1958.0 0.414 285.0 1959.0 0.426 284.7 1960.0 0.439 284.4 1961.0 0.452 284.0 1962.0 0.464 283.8 1963.0 0.476 283.5 1964.0 0.488 283.2 1965.0 0.500 283.0 1966.0 0.512 282.7 1967.0 0.524 282.5 1968.0 0.535 282.3 1969.0 0.546 282.1 1970.0 0.558 281.9 1971.0 0.568 281.7 1972.0 0.579 281.5 1973.0 0.590 281.3 1974.0 0.600 281.1 1975.0 0.610 281.0 1976.0 0.620 280.8 1977.0 0.630 280.7 1978.0 0.640 280.5 1979.0 0.649 280.4 1980.0 0.659 280.2 1981.0 0.668 280.1 1982.0 0.676 280.0 1983.0 0.685 279.8 1984.0 0.693 279.7 1985.0 0.702 279.6 1986.0 0.709 279.4 1987.0 0.717 279.3 1988.0 0.725 279.2 1989.0 0.732 279.1 1990.0 0.739 279.0 1991.0 0.746 278.9 1992.0 0.752 278.8 1993.0 0.759 278.7 1994.0 0.765 278.5 1995.0 0.771 278.4 1996.0 0.776 278.3 1997.0 0.781 278.2 1998.0 0.786 278.1 1999.0 0.791 278.0 2000.0 0.796 277.9 2001.0 0.800 277.9 2002.0 0.804 277.8 2003.0 0.807 277.7 2004.0 0.811 277.6 2005.0 0.814 277.5 2006.0 0.817 277.4 2007.0 0.819 277.3 2008.0 0.821 277.2 2009.0 0.823 277.1 2010.0 0.825 277.0 2011.0 0.826 276.9 2012.0 0.827 276.8 2013.0 0.827 276.8 2014.0 0.827 276.7 2015.0 0.827 276.6 2016.0 0.826 276.5 2017.0 0.826 276.4 2018.0 0.824 276.3 2019.0 0.823 276.2 2020.0 0.821 276.1 2021.0 0.818 276.0 2022.0 0.815 276.0 2023.0 0.812 275.9 2024.0 0.808 275.8 2025.0 0.804 275.7 2026.0 0.799 275.6 2027.0 0.794 275.5 2028.0 0.789 275.4 2029.0 0.783 275.3 2030.0 0.776 275.2 2031.0 0.770 275.1 2032.0 0.762 275.0 2033.0 0.754 274.9 2034.0 0.746 274.8 2035.0 0.736 274.7 2036.0 0.727 274.5 2037.0 0.717 274.4 2038.0 0.706 274.3 2039.0 0.694 274.2 2040.0 0.682 274.0 2041.0 0.670 273.9 2042.0 0.656 273.8 2043.0 0.642 273.6 2044.0 0.628 273.5 2045.0 0.612 273.3 2046.0 0.596 273.2 2047.0 0.579 273.0 2048.0 0.561 272.8 2049.0 0.543 272.6 2050.0 0.523 272.4 2051.0 0.503 272.1 2052.0 0.482 271.9 2053.0 0.460 271.6 2054.0 0.437 271.3 2055.0 0.413 271.0 2056.0 0.388 270.6 2057.0 0.363 270.2 2058.0 0.336 269.7 2059.0 0.308 269.1 2060.0 0.280 268.4 2061.0 0.250 267.5 2062.0 0.220 266.4 2063.0 0.189 264.9 2064.0 0.157 262.9 2065.0 0.125 259.8 2066.0 0.092 254.5 2067.0 0.061 243.6 2068.0 0.036 214.2 2069.0 0.035 154.9 2070.0 0.060 124.0 2071.0 0.091 112.6 2072.0 0.123 107.1 2073.0 0.154 103.9 2074.0 0.185 101.8 2075.0 0.214 100.2 2076.0 0.241 99.0 2077.0 0.266 98.1 2078.0 0.289 97.3 2079.0 0.309 96.6 2080.0 0.326 96.0 2081.0 0.342 95.5 2082.0 0.354 95.0 2083.0 0.364 94.5 2084.0 0.372 94.0 2085.0 0.378 93.6 2086.0 0.382 93.2 2087.0 0.384 92.8 2088.0 0.384 92.4 2089.0 0.383 91.9 2090.0 0.380 91.5 2091.0 0.376 91.1 2092.0 0.371 90.7 2093.0 0.364 90.2 2094.0 0.357 89.7 2095.0 0.349 89.3 2096.0 0.340 88.7 2097.0 0.330 88.2 2098.0 0.320 87.6 2099.0 0.309 87.0 2100.0 0.298 86.3 2101.0 0.286 85.6 2102.0 0.274 84.9 2103.0 0.261 84.0 2104.0 0.249 83.1 2105.0 0.236 82.0 2106.0 0.222 80.9 2107.0 0.209 79.6 2108.0 0.195 78.1 2109.0 0.182 76.3 2110.0 0.168 74.4 2111.0 0.155 72.0 2112.0 0.141 69.2 2113.0 0.128 65.9 2114.0 0.116 61.8 2115.0 0.104 56.7 2116.0 0.093 50.4 2117.0 0.083 42.4 2118.0 0.075 32.7 2119.0 0.070 21.1