| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:09:01 |
| WDS: | STT387 | WDS ID/Discoverer |
| P: | 165.000 | Orbital period (years) |
| a: | 0.641 | Semi-major axis (arcseconds) |
| i: | 131.8 | Inclination (degrees) |
| Ω: | 154.4 | Longitude of ascending node (degrees) |
| T: | 1870.900 | Epoch of periastron passage (year) |
| e: | 0.058 | Eccentricity |
| ω: | 105.0 | Longitude of periastron (degrees) |
| Start-Year: | 1943.0 | Year |
| End-Year: | 2107.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 194843.81+351841.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19487+3519 | WDS designation |
| Discoverer Code: | STT387 | Discover designation and components |
| ADS number: | 12972 | Aitken Double Star catalog |
| HD number: | 187458 | HD catalog number |
| Hipparcos number: | 97477 | Hipparcos catalog number |
| V1: | 7.12 | Magnitude of the primary |
| V2: | 7.90 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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 0.415 81.6 ------------------------- 1943.0 0.453 252.3 1944.0 0.452 249.4 1945.0 0.451 246.5 1946.0 0.451 243.5 1947.0 0.452 240.6 1948.0 0.453 237.7 1949.0 0.455 234.8 1950.0 0.458 231.9 1951.0 0.461 229.1 1952.0 0.465 226.3 1953.0 0.469 223.6 1954.0 0.473 220.9 1955.0 0.479 218.3 1956.0 0.484 215.7 1957.0 0.490 213.2 1958.0 0.496 210.7 1959.0 0.503 208.3 1960.0 0.509 206.0 1961.0 0.516 203.7 1962.0 0.523 201.5 1963.0 0.530 199.4 1964.0 0.538 197.3 1965.0 0.545 195.2 1966.0 0.552 193.2 1967.0 0.559 191.3 1968.0 0.566 189.4 1969.0 0.573 187.6 1970.0 0.580 185.8 1971.0 0.587 184.1 1972.0 0.594 182.3 1973.0 0.600 180.7 1974.0 0.606 179.0 1975.0 0.611 177.4 1976.0 0.617 175.8 1977.0 0.622 174.3 1978.0 0.627 172.7 1979.0 0.631 171.2 1980.0 0.635 169.8 1981.0 0.638 168.3 1982.0 0.642 166.8 1983.0 0.644 165.4 1984.0 0.646 163.9 1985.0 0.648 162.5 1986.0 0.649 161.1 1987.0 0.650 159.7 1988.0 0.650 158.3 1989.0 0.650 156.9 1990.0 0.649 155.5 1991.0 0.648 154.0 1992.0 0.646 152.6 1993.0 0.644 151.2 1994.0 0.641 149.7 1995.0 0.638 148.3 1996.0 0.634 146.8 1997.0 0.630 145.3 1998.0 0.625 143.8 1999.0 0.620 142.3 2000.0 0.614 140.7 2001.0 0.608 139.1 2002.0 0.602 137.5 2003.0 0.595 135.8 2004.0 0.587 134.1 2005.0 0.580 132.4 2006.0 0.572 130.6 2007.0 0.563 128.7 2008.0 0.555 126.8 2009.0 0.546 124.8 2010.0 0.537 122.8 2011.0 0.527 120.7 2012.0 0.518 118.5 2013.0 0.509 116.2 2014.0 0.499 113.9 2015.0 0.490 111.4 2016.0 0.481 108.9 2017.0 0.472 106.3 2018.0 0.463 103.6 2019.0 0.455 100.7 2020.0 0.447 97.8 2021.0 0.439 94.7 2022.0 0.432 91.6 2023.0 0.426 88.4 2024.0 0.420 85.0 2025.0 0.415 81.6 2026.0 0.411 78.1 2027.0 0.408 74.5 2028.0 0.405 70.9 2029.0 0.404 67.3 2030.0 0.403 63.6 2031.0 0.404 59.9 2032.0 0.405 56.3 2033.0 0.407 52.7 2034.0 0.411 49.1 2035.0 0.415 45.6 2036.0 0.420 42.2 2037.0 0.425 38.8 2038.0 0.431 35.6 2039.0 0.438 32.4 2040.0 0.446 29.4 2041.0 0.454 26.4 2042.0 0.462 23.6 2043.0 0.470 20.8 2044.0 0.479 18.2 2045.0 0.488 15.6 2046.0 0.497 13.2 2047.0 0.506 10.8 2048.0 0.515 8.5 2049.0 0.524 6.3 2050.0 0.533 4.2 2051.0 0.542 2.1 2052.0 0.550 0.1 2053.0 0.558 358.1 2054.0 0.566 356.3 2055.0 0.574 354.4 2056.0 0.581 352.6 2057.0 0.588 350.9 2058.0 0.594 349.2 2059.0 0.600 347.5 2060.0 0.605 345.9 2061.0 0.610 344.2 2062.0 0.614 342.6 2063.0 0.618 341.1 2064.0 0.622 339.5 2065.0 0.625 338.0 2066.0 0.627 336.5 2067.0 0.629 335.0 2068.0 0.630 333.4 2069.0 0.631 331.9 2070.0 0.631 330.4 2071.0 0.631 329.0 2072.0 0.630 327.5 2073.0 0.629 325.9 2074.0 0.627 324.4 2075.0 0.625 322.9 2076.0 0.622 321.4 2077.0 0.619 319.8 2078.0 0.615 318.3 2079.0 0.611 316.7 2080.0 0.607 315.1 2081.0 0.602 313.4 2082.0 0.597 311.8 2083.0 0.592 310.1 2084.0 0.586 308.4 2085.0 0.580 306.6 2086.0 0.574 304.8 2087.0 0.567 303.0 2088.0 0.560 301.1 2089.0 0.554 299.2 2090.0 0.547 297.2 2091.0 0.540 295.2 2092.0 0.533 293.1 2093.0 0.526 291.0 2094.0 0.519 288.8 2095.0 0.512 286.6 2096.0 0.506 284.3 2097.0 0.499 281.9 2098.0 0.493 279.5 2099.0 0.487 277.0 2100.0 0.482 274.5 2101.0 0.476 271.9 2102.0 0.471 269.2 2103.0 0.467 266.5 2104.0 0.463 263.7 2105.0 0.460 260.9 2106.0 0.457 258.1