Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:03:01

Orbital Elements for HEI568
WDS: HEI568 WDS ID/Discoverer
P: 205.160 Orbital period (years)
a: 0.399 Semi-major axis (arcseconds)
i: 134.3 Inclination (degrees)
Ω: 94.5 Longitude of ascending node (degrees)
T: 2014.600 Epoch of periastron passage (year)
e: 0.23 Eccentricity
ω: 201.4 Longitude of periastron (degrees)
Start-Year: 1923.0 Year
End-Year: 2127.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HEI568
Position: 190658.60+110416.7 Epoch-2000 right ascension and declination
WDS-ID: 19070+1104 WDS designation
Discoverer Code: HEI568 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 178125 HD catalog number
Hipparcos number: 93867 Hipparcos catalog number
V1: 5.44 Magnitude of the primary
V2: 6.39 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HEI568



WDS 6th Orbit including measures of HEI568

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of HEI568
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.262    233.9
-------------------------
1923.0     0.447     69.4
1924.0     0.444     68.4
1925.0     0.441     67.5
1926.0     0.437     66.5
1927.0     0.434     65.5
1928.0     0.430     64.5
1929.0     0.427     63.4
1930.0     0.423     62.4
1931.0     0.419     61.3
1932.0     0.415     60.2
1933.0     0.411     59.1
1934.0     0.407     58.0
1935.0     0.403     56.8
1936.0     0.399     55.6
1937.0     0.395     54.4
1938.0     0.391     53.2
1939.0     0.387     51.9
1940.0     0.382     50.7
1941.0     0.378     49.3
1942.0     0.374     48.0
1943.0     0.369     46.6
1944.0     0.365     45.2
1945.0     0.361     43.8
1946.0     0.356     42.3
1947.0     0.352     40.8
1948.0     0.348     39.2
1949.0     0.344     37.6
1950.0     0.339     36.0
1951.0     0.335     34.3
1952.0     0.331     32.6
1953.0     0.327     30.9
1954.0     0.323     29.1
1955.0     0.320     27.3
1956.0     0.316     25.4
1957.0     0.312     23.4
1958.0     0.309     21.5
1959.0     0.306     19.5
1960.0     0.303     17.4
1961.0     0.300     15.3
1962.0     0.297     13.2
1963.0     0.294     11.0
1964.0     0.292      8.8
1965.0     0.290      6.6
1966.0     0.288      4.3
1967.0     0.286      2.0
1968.0     0.285    359.7
1969.0     0.283    357.3
1970.0     0.282    354.9
1971.0     0.281    352.5
1972.0     0.281    350.1
1973.0     0.280    347.7
1974.0     0.280    345.3
1975.0     0.280    342.9
1976.0     0.281    340.5
1977.0     0.281    338.1
1978.0     0.282    335.7
1979.0     0.282    333.3
1980.0     0.283    330.9
1981.0     0.285    328.6
1982.0     0.286    326.2
1983.0     0.287    323.9
1984.0     0.289    321.6
1985.0     0.290    319.4
1986.0     0.292    317.1
1987.0     0.294    314.9
1988.0     0.296    312.7
1989.0     0.297    310.6
1990.0     0.299    308.4
1991.0     0.301    306.3
1992.0     0.303    304.2
1993.0     0.304    302.2
1994.0     0.306    300.2
1995.0     0.307    298.1
1996.0     0.309    296.1
1997.0     0.310    294.1
1998.0     0.311    292.2
1999.0     0.312    290.2
2000.0     0.313    288.3
2001.0     0.313    286.3
2002.0     0.313    284.4
2003.0     0.313    282.5
2004.0     0.313    280.5
2005.0     0.313    278.6
2006.0     0.312    276.7
2007.0     0.311    274.7
2008.0     0.310    272.7
2009.0     0.309    270.8
2010.0     0.307    268.8
2011.0     0.305    266.7
2012.0     0.303    264.7
2013.0     0.301    262.6
2014.0     0.298    260.5
2015.0     0.295    258.3
2016.0     0.292    256.1
2017.0     0.289    253.9
2018.0     0.286    251.6
2019.0     0.283    249.2
2020.0     0.279    246.8
2021.0     0.276    244.4
2022.0     0.272    241.9
2023.0     0.269    239.3
2024.0     0.265    236.6
2025.0     0.262    233.9
2026.0     0.259    231.1
2027.0     0.255    228.2
2028.0     0.252    225.2
2029.0     0.250    222.2
2030.0     0.247    219.1
2031.0     0.245    216.0
2032.0     0.243    212.8
2033.0     0.242    209.6
2034.0     0.240    206.3
2035.0     0.240    203.0
2036.0     0.239    199.7
2037.0     0.239    196.4
2038.0     0.240    193.1
2039.0     0.241    189.8
2040.0     0.242    186.6
2041.0     0.244    183.4
2042.0     0.246    180.2
2043.0     0.249    177.1
2044.0     0.252    174.1
2045.0     0.255    171.1
2046.0     0.259    168.3
2047.0     0.263    165.5
2048.0     0.267    162.8
2049.0     0.272    160.2
2050.0     0.277    157.6
2051.0     0.282    155.2
2052.0     0.287    152.9
2053.0     0.292    150.6
2054.0     0.298    148.4
2055.0     0.303    146.3
2056.0     0.309    144.3
2057.0     0.315    142.3
2058.0     0.320    140.4
2059.0     0.326    138.6
2060.0     0.332    136.9
2061.0     0.338    135.2
2062.0     0.344    133.5
2063.0     0.349    132.0
2064.0     0.355    130.4
2065.0     0.361    129.0
2066.0     0.366    127.5
2067.0     0.372    126.1
2068.0     0.377    124.8
2069.0     0.383    123.5
2070.0     0.388    122.2
2071.0     0.393    120.9
2072.0     0.398    119.7
2073.0     0.403    118.5
2074.0     0.408    117.4
2075.0     0.413    116.3
2076.0     0.417    115.2
2077.0     0.422    114.1
2078.0     0.426    113.0
2079.0     0.430    112.0
2080.0     0.434    111.0
2081.0     0.438    110.0
2082.0     0.442    109.0
2083.0     0.445    108.0
2084.0     0.449    107.1
2085.0     0.452    106.1
2086.0     0.455    105.2
2087.0     0.458    104.3
2088.0     0.461    103.4
2089.0     0.464    102.5
2090.0     0.466    101.7
2091.0     0.469    100.8
2092.0     0.471     99.9
2093.0     0.473     99.1
2094.0     0.475     98.2
2095.0     0.476     97.4
2096.0     0.478     96.5
2097.0     0.479     95.7
2098.0     0.480     94.9
2099.0     0.481     94.1
2100.0     0.482     93.3
2101.0     0.483     92.4
2102.0     0.484     91.6
2103.0     0.484     90.8
2104.0     0.484     90.0
2105.0     0.484     89.2
2106.0     0.484     88.4
2107.0     0.484     87.6
2108.0     0.484     86.8
2109.0     0.483     86.0
2110.0     0.483     85.1
2111.0     0.482     84.3
2112.0     0.481     83.5
2113.0     0.480     82.7
2114.0     0.479     81.9
2115.0     0.477     81.0
2116.0     0.476     80.2
2117.0     0.474     79.3
2118.0     0.472     78.5
2119.0     0.470     77.6
2120.0     0.468     76.8
2121.0     0.466     75.9
2122.0     0.464     75.0
2123.0     0.461     74.1
2124.0     0.459     73.2
2125.0     0.456     72.3
2126.0     0.453     71.4






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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