| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:27:36 |
| WDS: | HDS169 | WDS ID/Discoverer |
| P: | 143.730 | Orbital period (years) |
| a: | 0.767 | Semi-major axis (arcseconds) |
| i: | 118.3 | Inclination (degrees) |
| Ω: | 102.7 | Longitude of ascending node (degrees) |
| T: | 2115.160 | Epoch of periastron passage (year) |
| e: | 0.575 | Eccentricity |
| ω: | 93.9 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 011636.45+183121.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01166+1831 | WDS designation |
| Discoverer Code: | HDS169 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 7640 | HD catalog number |
| Hipparcos number: | 5952 | Hipparcos catalog number |
| V1: | 8.61 | Magnitude of the primary |
| V2: | 12.20 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.583 216.3 ------------------------- 1954.0 0.631 111.7 1955.0 0.617 110.2 1956.0 0.601 108.7 1957.0 0.584 107.1 1958.0 0.565 105.3 1959.0 0.543 103.5 1960.0 0.519 101.4 1961.0 0.493 99.2 1962.0 0.464 96.7 1963.0 0.433 93.9 1964.0 0.398 90.5 1965.0 0.361 86.6 1966.0 0.321 81.6 1967.0 0.279 75.3 1968.0 0.237 66.6 1969.0 0.199 54.4 1970.0 0.168 37.2 1971.0 0.155 14.8 1972.0 0.163 351.6 1973.0 0.190 333.0 1974.0 0.227 319.7 1975.0 0.268 310.3 1976.0 0.309 303.4 1977.0 0.348 298.1 1978.0 0.385 293.8 1979.0 0.418 290.3 1980.0 0.448 287.2 1981.0 0.475 284.6 1982.0 0.499 282.2 1983.0 0.521 280.0 1984.0 0.540 277.9 1985.0 0.557 276.0 1986.0 0.572 274.2 1987.0 0.585 272.5 1988.0 0.597 270.9 1989.0 0.606 269.3 1990.0 0.615 267.8 1991.0 0.622 266.3 1992.0 0.628 264.8 1993.0 0.634 263.4 1994.0 0.638 262.0 1995.0 0.641 260.6 1996.0 0.644 259.2 1997.0 0.645 257.8 1998.0 0.647 256.5 1999.0 0.647 255.1 2000.0 0.647 253.7 2001.0 0.647 252.4 2002.0 0.646 251.0 2003.0 0.645 249.6 2004.0 0.643 248.3 2005.0 0.641 246.9 2006.0 0.639 245.5 2007.0 0.637 244.1 2008.0 0.634 242.7 2009.0 0.631 241.2 2010.0 0.628 239.8 2011.0 0.625 238.3 2012.0 0.622 236.9 2013.0 0.619 235.4 2014.0 0.616 233.9 2015.0 0.613 232.4 2016.0 0.609 230.8 2017.0 0.606 229.3 2018.0 0.603 227.7 2019.0 0.600 226.1 2020.0 0.597 224.5 2021.0 0.594 222.9 2022.0 0.591 221.3 2023.0 0.588 219.7 2024.0 0.585 218.0 2025.0 0.583 216.3 2026.0 0.581 214.6 2027.0 0.579 212.9 2028.0 0.577 211.2 2029.0 0.575 209.5 2030.0 0.574 207.8 2031.0 0.572 206.0 2032.0 0.571 204.3 2033.0 0.571 202.5 2034.0 0.570 200.8 2035.0 0.570 199.0 2036.0 0.570 197.2 2037.0 0.570 195.5 2038.0 0.571 193.7 2039.0 0.571 192.0 2040.0 0.572 190.2 2041.0 0.573 188.5 2042.0 0.575 186.7 2043.0 0.577 185.0 2044.0 0.579 183.3 2045.0 0.581 181.6 2046.0 0.583 179.9 2047.0 0.586 178.3 2048.0 0.589 176.6 2049.0 0.592 175.0 2050.0 0.595 173.3 2051.0 0.598 171.7 2052.0 0.602 170.1 2053.0 0.606 168.6 2054.0 0.610 167.0 2055.0 0.614 165.5 2056.0 0.618 164.0 2057.0 0.622 162.5 2058.0 0.626 161.0 2059.0 0.630 159.6 2060.0 0.635 158.2 2061.0 0.639 156.7 2062.0 0.644 155.4 2063.0 0.648 154.0 2064.0 0.653 152.6 2065.0 0.657 151.3 2066.0 0.661 150.0 2067.0 0.666 148.7 2068.0 0.670 147.4 2069.0 0.674 146.1 2070.0 0.678 144.9 2071.0 0.682 143.7 2072.0 0.686 142.4 2073.0 0.689 141.2 2074.0 0.693 140.0 2075.0 0.696 138.8 2076.0 0.699 137.7 2077.0 0.701 136.5 2078.0 0.703 135.3 2079.0 0.705 134.2 2080.0 0.707 133.0 2081.0 0.708 131.9 2082.0 0.709 130.8 2083.0 0.709 129.6 2084.0 0.709 128.5 2085.0 0.708 127.4 2086.0 0.707 126.2 2087.0 0.705 125.1 2088.0 0.703 123.9 2089.0 0.700 122.8 2090.0 0.696 121.6 2091.0 0.691 120.4 2092.0 0.685 119.2 2093.0 0.678 118.0 2094.0 0.671 116.7 2095.0 0.662 115.4