| WDS: | J420 | WDS ID/Discoverer |
| P: | 168.450 | Orbital period (years) |
| a: | 1.921 | Semi-major axis (arcseconds) |
| i: | 104.0 | Inclination (degrees) |
| Ω: | 176.0 | Longitude of ascending node (degrees) |
| T: | 1954.170 | Epoch of periastron passage (year) |
| e: | 0.778 | Eccentricity |
| ω: | 136.4 | Longitude of periastron (degrees) |
| Start-Year: | 1940.775 | Year |
| End-Year: | 2109.225 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for J420 |
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| Position: | 080615.16+020047.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08062+0201 | WDS designation |
| Discoverer Code: | J420 | Discover designation and components |
| ADS number: | 6584 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 39653 | Hipparcos catalog number |
| V1: | 11.06 | Magnitude of the primary |
| V2: | 11.46 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Ole2002b | 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 2.306 191.40 -------------------------- 1940.78 1.409 173.72 1941.78 1.327 173.08 1942.78 1.241 172.35 1943.78 1.149 171.51 1944.78 1.050 170.51 1945.78 0.945 169.31 1946.78 0.831 167.78 1947.78 0.710 165.76 1948.78 0.579 162.85 1949.78 0.438 158.14 1950.78 0.291 148.76 1951.78 0.155 121.33 1952.78 0.140 48.37 1953.78 0.265 14.61 1954.78 0.389 3.12 1955.78 0.476 356.74 1956.78 0.525 351.99 1957.78 0.544 347.83 1958.78 0.544 343.80 1959.78 0.532 339.67 1960.78 0.513 335.29 1961.78 0.490 330.52 1962.78 0.465 325.26 1963.78 0.440 319.39 1964.78 0.418 312.87 1965.78 0.400 305.69 1966.78 0.386 297.90 1967.78 0.379 289.68 1968.78 0.378 281.28 1969.78 0.384 273.01 1970.78 0.398 265.15 1971.78 0.417 257.90 1972.78 0.441 251.36 1973.78 0.470 245.57 1974.78 0.502 240.48 1975.78 0.537 236.02 1976.78 0.574 232.13 1977.78 0.612 228.72 1978.78 0.652 225.71 1979.78 0.693 223.06 1980.78 0.734 220.70 1981.78 0.776 218.60 1982.78 0.818 216.71 1983.78 0.860 215.01 1984.78 0.902 213.46 1985.78 0.944 212.05 1986.78 0.986 210.77 1987.78 1.028 209.59 1988.78 1.070 208.50 1989.78 1.111 207.49 1990.78 1.152 206.55 1991.78 1.192 205.68 1992.78 1.233 204.86 1993.78 1.273 204.10 1994.78 1.312 203.38 1995.78 1.351 202.70 1996.78 1.389 202.07 1997.78 1.428 201.46 1998.78 1.465 200.89 1999.78 1.502 200.34 2000.78 1.539 199.83 2001.78 1.575 199.33 2002.78 1.611 198.86 2003.78 1.646 198.41 2004.78 1.681 197.97 2005.78 1.715 197.56 2006.78 1.749 197.16 2007.78 1.782 196.77 2008.78 1.815 196.40 2009.78 1.847 196.05 2010.78 1.879 195.70 2011.78 1.910 195.37 2012.78 1.940 195.04 2013.78 1.970 194.73 2014.78 2.000 194.43 2015.78 2.029 194.13 2016.78 2.057 193.84 2017.78 2.085 193.56 2018.78 2.113 193.29 2019.78 2.140 193.03 2020.78 2.166 192.77 2021.78 2.192 192.51 2022.78 2.217 192.27 2023.78 2.242 192.03 2024.78 2.266 191.79 2025.78 2.289 191.56 2026.78 2.313 191.33 2027.78 2.335 191.11 2028.78 2.357 190.89 2029.78 2.378 190.68 2030.78 2.399 190.47 2031.78 2.419 190.26 2032.78 2.439 190.06 2033.78 2.458 189.86 2034.78 2.476 189.66 2035.78 2.494 189.47 2036.78 2.511 189.28 2037.78 2.528 189.09 2038.78 2.544 188.90 2039.78 2.560 188.72 2040.78 2.575 188.54 2041.78 2.589 188.36 2042.78 2.603 188.18 2043.78 2.616 188.00 2044.78 2.628 187.83 2045.78 2.640 187.66 2046.78 2.651 187.48 2047.78 2.661 187.31 2048.78 2.671 187.15 2049.78 2.680 186.98 2050.78 2.689 186.81 2051.78 2.697 186.65 2052.78 2.704 186.48 2053.78 2.710 186.32 2054.78 2.716 186.16 2055.78 2.721 185.99 2056.78 2.725 185.83 2057.78 2.729 185.67 2058.78 2.732 185.51 2059.78 2.734 185.35 2060.78 2.735 185.19 2061.78 2.736 185.03 2062.78 2.736 184.87 2063.78 2.735 184.71 2064.78 2.733 184.55 2065.78 2.731 184.39 2066.78 2.727 184.23 2067.78 2.723 184.07 2068.78 2.718 183.90 2069.78 2.712 183.74 2070.78 2.705 183.58 2071.78 2.697 183.41 2072.78 2.689 183.25 2073.78 2.679 183.08 2074.78 2.668 182.91 2075.78 2.657 182.75 2076.78 2.644 182.57 2077.78 2.630 182.40 2078.78 2.616 182.23 2079.78 2.600 182.05 2080.78 2.583 181.87 2081.78 2.565 181.69 2082.78 2.546 181.51 2083.78 2.525 181.32 2084.78 2.504 181.13 2085.78 2.481 180.94 2086.78 2.456 180.74 2087.78 2.431 180.54 2088.78 2.404 180.34 2089.78 2.375 180.13 2090.78 2.345 179.91 2091.78 2.313 179.69 2092.78 2.280 179.46 2093.78 2.245 179.23 2094.78 2.208 178.99 2095.78 2.170 178.74 2096.78 2.129 178.48 2097.78 2.086 178.21 2098.78 2.042 177.93 2099.78 1.995 177.63 2100.78 1.945 177.32 2101.78 1.893 177.00 2102.78 1.839 176.65 2103.78 1.781 176.29 2104.78 1.721 175.90 2105.78 1.657 175.48 2106.78 1.590 175.02 2107.78 1.519 174.53 2108.78 1.444 173.98
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:04:20 |