| 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: | 1956.5 | Year |
| End-Year: | 2093.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for RST4618 |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2021f | 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 0.242 295.44 -------------------------- 1956.50 0.224 333.32 1957.50 0.218 334.29 1958.50 0.211 335.31 1959.50 0.204 336.40 1960.50 0.197 337.57 1961.50 0.190 338.82 1962.50 0.182 340.18 1963.50 0.174 341.66 1964.50 0.166 343.28 1965.50 0.158 345.08 1966.50 0.149 347.07 1967.50 0.141 349.31 1968.50 0.131 351.86 1969.50 0.122 354.78 1970.50 0.113 358.19 1971.50 0.104 2.20 1972.50 0.094 7.01 1973.50 0.085 12.84 1974.50 0.077 19.99 1975.50 0.069 28.81 1976.50 0.063 39.57 1977.50 0.059 52.24 1978.50 0.057 66.25 1979.50 0.058 80.45 1980.50 0.061 93.66 1981.50 0.066 105.24 1982.50 0.072 115.13 1983.50 0.077 123.64 1984.50 0.081 131.13 1985.50 0.085 137.94 1986.50 0.086 144.36 1987.50 0.087 150.63 1988.50 0.086 156.93 1989.50 0.085 163.40 1990.50 0.083 170.13 1991.50 0.081 177.19 1992.50 0.079 184.57 1993.50 0.078 192.22 1994.50 0.077 200.02 1995.50 0.078 207.83 1996.50 0.079 215.47 1997.50 0.081 222.77 1998.50 0.085 229.61 1999.50 0.088 235.91 2000.50 0.093 241.65 2001.50 0.098 246.84 2002.50 0.103 251.50 2003.50 0.109 255.69 2004.50 0.115 259.45 2005.50 0.121 262.84 2006.50 0.127 265.89 2007.50 0.134 268.66 2008.50 0.140 271.17 2009.50 0.146 273.47 2010.50 0.153 275.58 2011.50 0.159 277.51 2012.50 0.165 279.30 2013.50 0.172 280.96 2014.50 0.178 282.51 2015.50 0.184 283.95 2016.50 0.190 285.30 2017.50 0.195 286.57 2018.50 0.201 287.77 2019.50 0.207 288.90 2020.50 0.212 289.97 2021.50 0.218 290.99 2022.50 0.223 291.96 2023.50 0.228 292.89 2024.50 0.233 293.77 2025.50 0.238 294.62 2026.50 0.242 295.44 2027.50 0.247 296.22 2028.50 0.251 296.98 2029.50 0.256 297.71 2030.50 0.260 298.42 2031.50 0.264 299.11 2032.50 0.268 299.77 2033.50 0.272 300.42 2034.50 0.275 301.05 2035.50 0.279 301.66 2036.50 0.282 302.26 2037.50 0.286 302.84 2038.50 0.289 303.41 2039.50 0.292 303.97 2040.50 0.294 304.52 2041.50 0.297 305.05 2042.50 0.300 305.58 2043.50 0.302 306.10 2044.50 0.304 306.61 2045.50 0.306 307.12 2046.50 0.308 307.62 2047.50 0.310 308.11 2048.50 0.312 308.59 2049.50 0.314 309.08 2050.50 0.315 309.55 2051.50 0.316 310.02 2052.50 0.317 310.49 2053.50 0.318 310.96 2054.50 0.319 311.42 2055.50 0.320 311.88 2056.50 0.320 312.34 2057.50 0.321 312.80 2058.50 0.321 313.26 2059.50 0.321 313.71 2060.50 0.321 314.17 2061.50 0.321 314.62 2062.50 0.321 315.08 2063.50 0.320 315.54 2064.50 0.320 316.00 2065.50 0.319 316.46 2066.50 0.318 316.93 2067.50 0.317 317.39 2068.50 0.315 317.86 2069.50 0.314 318.34 2070.50 0.312 318.82 2071.50 0.310 319.30 2072.50 0.309 319.80 2073.50 0.306 320.29 2074.50 0.304 320.80 2075.50 0.302 321.31 2076.50 0.299 321.83 2077.50 0.296 322.36 2078.50 0.293 322.91 2079.50 0.290 323.46 2080.50 0.287 324.02 2081.50 0.283 324.60 2082.50 0.279 325.20 2083.50 0.275 325.81 2084.50 0.271 326.44 2085.50 0.267 327.09 2086.50 0.262 327.76 2087.50 0.257 328.46 2088.50 0.252 329.18 2089.50 0.247 329.94 2090.50 0.242 330.72 2091.50 0.236 331.55 2092.50 0.230 332.41
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| Report created: |
2026-06-25 18:00:35 |