| 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: | 1942.5 | Year |
| End-Year: | 2107.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STT387 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | USN2021b | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.409 76.32 -------------------------- 1942.50 0.453 253.76 1943.50 0.452 250.85 1944.50 0.451 247.92 1945.50 0.451 244.99 1946.50 0.451 242.06 1947.50 0.453 239.14 1948.50 0.454 236.24 1949.50 0.456 233.36 1950.50 0.459 230.52 1951.50 0.463 227.71 1952.50 0.467 224.94 1953.50 0.471 222.23 1954.50 0.476 219.57 1955.50 0.481 216.96 1956.50 0.487 214.42 1957.50 0.493 211.93 1958.50 0.499 209.51 1959.50 0.506 207.15 1960.50 0.513 204.85 1961.50 0.520 202.61 1962.50 0.527 200.43 1963.50 0.534 198.31 1964.50 0.541 196.24 1965.50 0.548 194.23 1966.50 0.556 192.28 1967.50 0.563 190.37 1968.50 0.570 188.51 1969.50 0.577 186.70 1970.50 0.584 184.92 1971.50 0.590 183.19 1972.50 0.597 181.50 1973.50 0.603 179.84 1974.50 0.609 178.22 1975.50 0.614 176.62 1976.50 0.619 175.05 1977.50 0.624 173.51 1978.50 0.629 171.99 1979.50 0.633 170.49 1980.50 0.637 169.01 1981.50 0.640 167.55 1982.50 0.643 166.10 1983.50 0.645 164.66 1984.50 0.647 163.24 1985.50 0.649 161.81 1986.50 0.650 160.40 1987.50 0.650 158.99 1988.50 0.650 157.58 1989.50 0.650 156.17 1990.50 0.649 154.75 1991.50 0.647 153.33 1992.50 0.645 151.91 1993.50 0.643 150.47 1994.50 0.640 149.02 1995.50 0.636 147.55 1996.50 0.632 146.07 1997.50 0.628 144.57 1998.50 0.623 143.04 1999.50 0.617 141.49 2000.50 0.611 139.91 2001.50 0.605 138.30 2002.50 0.598 136.65 2003.50 0.591 134.96 2004.50 0.584 133.24 2005.50 0.576 131.46 2006.50 0.567 129.63 2007.50 0.559 127.75 2008.50 0.550 125.81 2009.50 0.541 123.81 2010.50 0.532 121.74 2011.50 0.523 119.59 2012.50 0.513 117.37 2013.50 0.504 115.06 2014.50 0.495 112.67 2015.50 0.485 110.19 2016.50 0.476 107.61 2017.50 0.467 104.93 2018.50 0.459 102.15 2019.50 0.451 99.26 2020.50 0.443 96.27 2021.50 0.436 93.18 2022.50 0.429 89.98 2023.50 0.423 86.69 2024.50 0.417 83.31 2025.50 0.413 79.85 2026.50 0.409 76.32 2027.50 0.406 72.72 2028.50 0.404 69.09 2029.50 0.403 65.43 2030.50 0.403 61.76 2031.50 0.404 58.10 2032.50 0.406 54.47 2033.50 0.409 50.87 2034.50 0.412 47.33 2035.50 0.417 43.87 2036.50 0.422 40.48 2037.50 0.428 37.18 2038.50 0.435 33.97 2039.50 0.442 30.87 2040.50 0.450 27.86 2041.50 0.458 24.96 2042.50 0.466 22.17 2043.50 0.475 19.47 2044.50 0.484 16.87 2045.50 0.493 14.37 2046.50 0.502 11.96 2047.50 0.511 9.63 2048.50 0.520 7.38 2049.50 0.529 5.21 2050.50 0.537 3.11 2051.50 0.546 1.08 2052.50 0.554 359.11 2053.50 0.562 357.19 2054.50 0.570 355.33 2055.50 0.577 353.52 2056.50 0.584 351.75 2057.50 0.591 350.02 2058.50 0.597 348.33 2059.50 0.602 346.67 2060.50 0.608 345.04 2061.50 0.612 343.44 2062.50 0.616 341.86 2063.50 0.620 340.30 2064.50 0.623 338.75 2065.50 0.626 337.23 2066.50 0.628 335.71 2067.50 0.630 334.20 2068.50 0.631 332.70 2069.50 0.631 331.20 2070.50 0.631 329.70 2071.50 0.631 328.20 2072.50 0.630 326.70 2073.50 0.628 325.19 2074.50 0.626 323.67 2075.50 0.623 322.15 2076.50 0.621 320.60 2077.50 0.617 319.05 2078.50 0.613 317.47 2079.50 0.609 315.87 2080.50 0.605 314.25 2081.50 0.600 312.61 2082.50 0.594 310.94 2083.50 0.589 309.23 2084.50 0.583 307.49 2085.50 0.577 305.72 2086.50 0.570 303.90 2087.50 0.564 302.05 2088.50 0.557 300.15 2089.50 0.550 298.20 2090.50 0.543 296.21 2091.50 0.536 294.16 2092.50 0.530 292.06 2093.50 0.523 289.91 2094.50 0.516 287.69 2095.50 0.509 285.42 2096.50 0.503 283.09 2097.50 0.496 280.70 2098.50 0.490 278.25 2099.50 0.484 275.73 2100.50 0.479 273.16 2101.50 0.474 270.53 2102.50 0.469 267.85 2103.50 0.465 265.11 2104.50 0.461 262.33 2105.50 0.458 259.51 2106.50 0.456 256.65
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:09:00 |