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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:26:24

Orbital Elements for HU141

WDS:	HU141	WDS ID/Discoverer
P:	173.900	Orbital period (years)
a:	0.374	Semi-major axis (arcseconds)
i:	57.4	Inclination (degrees)
Ω:	6.9	Longitude of ascending node (degrees)
T:	1949.330	Epoch of periastron passage (year)
e:	0.89	Eccentricity
ω:	114.8	Longitude of periastron (degrees)
Start-Year:	1939.0	Year
End-Year:	2111.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU141

Position:	144910.88-104938.0	Epoch-2000 right ascension and declination
WDS-ID:	14492-1050	WDS designation
Discoverer Code:	HU141	Discover designation and components
ADS number:	9395	Aitken Double Star catalog
HD number:	130558	HD catalog number
Hipparcos number:	72478	Hipparcos catalog number
V1:	7.92	Magnitude of the primary
V2:	9.21	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:		Flags

Double Star Orbit for HU141

WDS 6th Orbit including measures of HU141

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

Ephemeris of HU141

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.436    313.5
-------------------------
1939.0     0.236    351.9
1940.0     0.223    353.2
1941.0     0.209    354.7
1942.0     0.194    356.5
1943.0     0.177    358.6
1944.0     0.159      1.1
1945.0     0.139      4.3
1946.0     0.115      8.7
1947.0     0.087     15.8
1948.0     0.054     30.7
1949.0     0.023     96.6
1950.0     0.047    176.7
1951.0     0.069    198.0
1952.0     0.084    210.1
1953.0     0.095    219.0
1954.0     0.104    226.2
1955.0     0.112    232.3
1956.0     0.120    237.5
1957.0     0.128    242.1
1958.0     0.135    246.3
1959.0     0.142    250.0
1960.0     0.149    253.3
1961.0     0.156    256.4
1962.0     0.162    259.2
1963.0     0.169    261.8
1964.0     0.176    264.2
1965.0     0.182    266.4
1966.0     0.188    268.5
1967.0     0.195    270.5
1968.0     0.201    272.3
1969.0     0.207    274.0
1970.0     0.213    275.6
1971.0     0.219    277.1
1972.0     0.225    278.6
1973.0     0.231    279.9
1974.0     0.237    281.3
1975.0     0.242    282.5
1976.0     0.248    283.7
1977.0     0.253    284.8
1978.0     0.259    285.9
1979.0     0.264    286.9
1980.0     0.270    287.9
1981.0     0.275    288.9
1982.0     0.280    289.8
1983.0     0.285    290.7
1984.0     0.290    291.6
1985.0     0.295    292.4
1986.0     0.300    293.2
1987.0     0.305    294.0
1988.0     0.309    294.7
1989.0     0.314    295.5
1990.0     0.319    296.2
1991.0     0.323    296.9
1992.0     0.328    297.5
1993.0     0.332    298.2
1994.0     0.336    298.8
1995.0     0.340    299.5
1996.0     0.345    300.1
1997.0     0.349    300.7
1998.0     0.353    301.2
1999.0     0.357    301.8
2000.0     0.361    302.4
2001.0     0.364    302.9
2002.0     0.368    303.4
2003.0     0.372    303.9
2004.0     0.375    304.5
2005.0     0.379    305.0
2006.0     0.382    305.4
2007.0     0.386    305.9
2008.0     0.389    306.4
2009.0     0.392    306.9
2010.0     0.396    307.3
2011.0     0.399    307.8
2012.0     0.402    308.2
2013.0     0.405    308.7
2014.0     0.408    309.1
2015.0     0.411    309.5
2016.0     0.413    309.9
2017.0     0.416    310.4
2018.0     0.419    310.8
2019.0     0.421    311.2
2020.0     0.424    311.6
2021.0     0.426    312.0
2022.0     0.429    312.3
2023.0     0.431    312.7
2024.0     0.433    313.1
2025.0     0.436    313.5
2026.0     0.438    313.9
2027.0     0.440    314.2
2028.0     0.442    314.6
2029.0     0.444    315.0
2030.0     0.445    315.3
2031.0     0.447    315.7
2032.0     0.449    316.0
2033.0     0.451    316.4
2034.0     0.452    316.7
2035.0     0.454    317.1
2036.0     0.455    317.4
2037.0     0.456    317.8
2038.0     0.458    318.1
2039.0     0.459    318.4
2040.0     0.460    318.8
2041.0     0.461    319.1
2042.0     0.462    319.4
2043.0     0.463    319.8
2044.0     0.464    320.1
2045.0     0.465    320.4
2046.0     0.465    320.8
2047.0     0.466    321.1
2048.0     0.466    321.4
2049.0     0.467    321.8
2050.0     0.467    322.1
2051.0     0.468    322.4
2052.0     0.468    322.7
2053.0     0.468    323.1
2054.0     0.468    323.4
2055.0     0.468    323.7
2056.0     0.468    324.0
2057.0     0.468    324.4
2058.0     0.467    324.7
2059.0     0.467    325.0
2060.0     0.466    325.3
2061.0     0.466    325.7
2062.0     0.465    326.0
2063.0     0.464    326.3
2064.0     0.464    326.6
2065.0     0.463    327.0
2066.0     0.462    327.3
2067.0     0.461    327.6
2068.0     0.459    328.0
2069.0     0.458    328.3
2070.0     0.457    328.7
2071.0     0.455    329.0
2072.0     0.453    329.3
2073.0     0.452    329.7
2074.0     0.450    330.0
2075.0     0.448    330.4
2076.0     0.446    330.8
2077.0     0.444    331.1
2078.0     0.441    331.5
2079.0     0.439    331.8
2080.0     0.436    332.2
2081.0     0.433    332.6
2082.0     0.431    333.0
2083.0     0.428    333.4
2084.0     0.424    333.8
2085.0     0.421    334.2
2086.0     0.418    334.6
2087.0     0.414    335.0
2088.0     0.410    335.4
2089.0     0.407    335.8
2090.0     0.402    336.2
2091.0     0.398    336.7
2092.0     0.394    337.1
2093.0     0.389    337.6
2094.0     0.384    338.1
2095.0     0.379    338.6
2096.0     0.374    339.1
2097.0     0.368    339.6
2098.0     0.363    340.1
2099.0     0.357    340.7
2100.0     0.351    341.2
2101.0     0.344    341.8
2102.0     0.337    342.4
2103.0     0.330    343.1
2104.0     0.323    343.8
2105.0     0.315    344.5
2106.0     0.307    345.2
2107.0     0.298    346.0
2108.0     0.289    346.8
2109.0     0.279    347.7
2110.0     0.269    348.6

Disclaimer

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.