| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:03:24 |
| WDS: | RST4618 | WDS ID/Discoverer |
| P: | 137.000 | Orbital period (years) |
| a: | 0.206 | Semi-major axis (arcseconds) |
| i: | 58.4 | Inclination (degrees) |
| Ω: | 319.8 | Longitude of ascending node (degrees) |
| T: | 1984.440 | Epoch of periastron passage (year) |
| e: | 0.593 | Eccentricity |
| ω: | 163.0 | Longitude of periastron (degrees) |
| Start-Year: | 1957.0 | Year |
| End-Year: | 2093.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 190814.39-051957.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19082-0520 | WDS designation |
| Discoverer Code: | RST4618 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 178286 | HD catalog number |
| Hipparcos number: | 93991 | Hipparcos catalog number |
| V1: | 8.6 | Magnitude of the primary |
| V2: | 8.8 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 5 | 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 0.235 294.2 ------------------------- 1957.0 0.221 333.8 1958.0 0.215 334.8 1959.0 0.208 335.8 1960.0 0.201 337.0 1961.0 0.194 338.2 1962.0 0.186 339.5 1963.0 0.178 340.9 1964.0 0.170 342.5 1965.0 0.162 344.2 1966.0 0.154 346.0 1967.0 0.145 348.2 1968.0 0.136 350.5 1969.0 0.127 353.3 1970.0 0.118 356.4 1971.0 0.108 0.1 1972.0 0.099 4.5 1973.0 0.090 9.8 1974.0 0.081 16.2 1975.0 0.073 24.2 1976.0 0.066 33.9 1977.0 0.061 45.7 1978.0 0.058 59.1 1979.0 0.057 73.4 1980.0 0.060 87.2 1981.0 0.064 99.7 1982.0 0.069 110.4 1983.0 0.074 119.5 1984.0 0.079 127.5 1985.0 0.083 134.6 1986.0 0.086 141.2 1987.0 0.087 147.5 1988.0 0.086 153.8 1989.0 0.085 160.1 1990.0 0.084 166.7 1991.0 0.082 173.6 1992.0 0.080 180.8 1993.0 0.078 188.4 1994.0 0.078 196.1 1995.0 0.078 203.9 1996.0 0.078 211.7 1997.0 0.080 219.2 1998.0 0.083 226.2 1999.0 0.086 232.8 2000.0 0.091 238.9 2001.0 0.095 244.3 2002.0 0.100 249.2 2003.0 0.106 253.7 2004.0 0.112 257.6 2005.0 0.118 261.2 2006.0 0.124 264.4 2007.0 0.130 267.3 2008.0 0.137 269.9 2009.0 0.143 272.3 2010.0 0.150 274.5 2011.0 0.156 276.6 2012.0 0.162 278.4 2013.0 0.168 280.1 2014.0 0.175 281.7 2015.0 0.181 283.2 2016.0 0.187 284.6 2017.0 0.192 285.9 2018.0 0.198 287.2 2019.0 0.204 288.3 2020.0 0.209 289.4 2021.0 0.215 290.5 2022.0 0.220 291.5 2023.0 0.225 292.4 2024.0 0.230 293.3 2025.0 0.235 294.2 2026.0 0.240 295.0 2027.0 0.245 295.8 2028.0 0.249 296.6 2029.0 0.254 297.4 2030.0 0.258 298.1 2031.0 0.262 298.8 2032.0 0.266 299.4 2033.0 0.270 300.1 2034.0 0.274 300.7 2035.0 0.277 301.4 2036.0 0.281 302.0 2037.0 0.284 302.5 2038.0 0.287 303.1 2039.0 0.290 303.7 2040.0 0.293 304.2 2041.0 0.296 304.8 2042.0 0.298 305.3 2043.0 0.301 305.8 2044.0 0.303 306.4 2045.0 0.305 306.9 2046.0 0.307 307.4 2047.0 0.309 307.9 2048.0 0.311 308.4 2049.0 0.313 308.8 2050.0 0.314 309.3 2051.0 0.316 309.8 2052.0 0.317 310.3 2053.0 0.318 310.7 2054.0 0.319 311.2 2055.0 0.320 311.7 2056.0 0.320 312.1 2057.0 0.321 312.6 2058.0 0.321 313.0 2059.0 0.321 313.5 2060.0 0.321 313.9 2061.0 0.321 314.4 2062.0 0.321 314.9 2063.0 0.320 315.3 2064.0 0.320 315.8 2065.0 0.319 316.2 2066.0 0.318 316.7 2067.0 0.317 317.2 2068.0 0.316 317.6 2069.0 0.315 318.1 2070.0 0.313 318.6 2071.0 0.311 319.1 2072.0 0.310 319.5 2073.0 0.307 320.0 2074.0 0.305 320.5 2075.0 0.303 321.1 2076.0 0.300 321.6 2077.0 0.298 322.1 2078.0 0.295 322.6 2079.0 0.292 323.2 2080.0 0.288 323.7 2081.0 0.285 324.3 2082.0 0.281 324.9 2083.0 0.277 325.5 2084.0 0.273 326.1 2085.0 0.269 326.8 2086.0 0.265 327.4 2087.0 0.260 328.1 2088.0 0.255 328.8 2089.0 0.250 329.6 2090.0 0.245 330.3 2091.0 0.239 331.1 2092.0 0.233 332.0