| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:37:17 |
| WDS: | I987 | WDS ID/Discoverer |
| P: | 102.470 | Orbital period (years) |
| a: | 0.384 | Semi-major axis (arcseconds) |
| i: | 15.9 | Inclination (degrees) |
| Ω: | 59.3 | Longitude of ascending node (degrees) |
| T: | 1952.080 | Epoch of periastron passage (year) |
| e: | 0.262 | Eccentricity |
| ω: | 12.2 | Longitude of periastron (degrees) |
| Start-Year: | 1974.0 | Year |
| End-Year: | 2076.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 161658.92-534146.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16170-5342 | WDS designation |
| Discoverer Code: | I987 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 146059 | HD catalog number |
| Hipparcos number: | 79787 | Hipparcos catalog number |
| V1: | 6.63 | Magnitude of the primary |
| V2: | 8.77 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 3 | 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 0.417 300.6 ------------------------- 1974.0 0.376 179.6 1975.0 0.383 182.9 1976.0 0.390 186.1 1977.0 0.396 189.3 1978.0 0.402 192.3 1979.0 0.408 195.2 1980.0 0.414 198.0 1981.0 0.420 200.8 1982.0 0.426 203.5 1983.0 0.431 206.1 1984.0 0.436 208.7 1985.0 0.441 211.2 1986.0 0.446 213.6 1987.0 0.450 216.0 1988.0 0.455 218.3 1989.0 0.459 220.6 1990.0 0.462 222.9 1991.0 0.466 225.2 1992.0 0.469 227.4 1993.0 0.471 229.5 1994.0 0.474 231.7 1995.0 0.476 233.8 1996.0 0.478 235.9 1997.0 0.480 238.0 1998.0 0.481 240.1 1999.0 0.482 242.2 2000.0 0.483 244.2 2001.0 0.484 246.3 2002.0 0.484 248.3 2003.0 0.484 250.4 2004.0 0.484 252.5 2005.0 0.483 254.5 2006.0 0.482 256.6 2007.0 0.481 258.7 2008.0 0.479 260.7 2009.0 0.478 262.8 2010.0 0.476 265.0 2011.0 0.473 267.1 2012.0 0.471 269.2 2013.0 0.468 271.4 2014.0 0.465 273.6 2015.0 0.462 275.9 2016.0 0.458 278.1 2017.0 0.455 280.4 2018.0 0.451 282.8 2019.0 0.446 285.2 2020.0 0.442 287.6 2021.0 0.437 290.1 2022.0 0.433 292.6 2023.0 0.428 295.2 2024.0 0.422 297.9 2025.0 0.417 300.6 2026.0 0.412 303.4 2027.0 0.406 306.3 2028.0 0.400 309.3 2029.0 0.394 312.3 2030.0 0.389 315.5 2031.0 0.383 318.7 2032.0 0.377 322.0 2033.0 0.371 325.5 2034.0 0.365 329.0 2035.0 0.359 332.7 2036.0 0.353 336.5 2037.0 0.347 340.4 2038.0 0.341 344.5 2039.0 0.335 348.7 2040.0 0.330 353.1 2041.0 0.325 357.5 2042.0 0.320 2.2 2043.0 0.315 7.0 2044.0 0.310 11.9 2045.0 0.306 16.9 2046.0 0.302 22.1 2047.0 0.298 27.5 2048.0 0.295 32.9 2049.0 0.292 38.5 2050.0 0.290 44.2 2051.0 0.287 50.0 2052.0 0.286 55.8 2053.0 0.284 61.8 2054.0 0.283 67.7 2055.0 0.283 73.8 2056.0 0.283 79.8 2057.0 0.283 85.8 2058.0 0.284 91.8 2059.0 0.286 97.7 2060.0 0.288 103.5 2061.0 0.290 109.3 2062.0 0.293 114.9 2063.0 0.297 120.5 2064.0 0.301 125.8 2065.0 0.305 131.1 2066.0 0.310 136.1 2067.0 0.316 141.1 2068.0 0.321 145.8 2069.0 0.327 150.4 2070.0 0.334 154.8 2071.0 0.340 159.0 2072.0 0.346 163.1 2073.0 0.353 167.0 2074.0 0.360 170.8 2075.0 0.366 174.5