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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:30:47

Orbital Elements for A671
WDS: A671 WDS ID/Discoverer
P: 159.490 Orbital period (years)
a: 0.314 Semi-major axis (arcseconds)
i: 132.4 Inclination (degrees)
Ω: 112.3 Longitude of ascending node (degrees)
T: 1965.150 Epoch of periastron passage (year)
e: 0.741 Eccentricity
ω: 115.2 Longitude of periastron (degrees)
Start-Year: 1946.0 Year
End-Year: 2104.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A671
Position: 070116.54-090608.1 Epoch-2000 right ascension and declination
WDS-ID: 07013-0906 WDS designation
Discoverer Code: A671 Discover designation and components
ADS number: 5703 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.8 Magnitude of the primary
V2: 9.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A671



WDS 6th Orbit including measures of A671

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


Ephemeris of A671
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.366    180.7
-------------------------
1946.0     0.287    125.8
1947.0     0.279    124.5
1948.0     0.270    123.2
1949.0     0.261    121.7
1950.0     0.252    120.2
1951.0     0.242    118.6
1952.0     0.231    116.8
1953.0     0.220    114.8
1954.0     0.208    112.6
1955.0     0.196    110.1
1956.0     0.182    107.3
1957.0     0.168    104.0
1958.0     0.152    100.1
1959.0     0.136     95.2
1960.0     0.119     89.0
1961.0     0.100     80.5
1962.0     0.082     68.3
1963.0     0.066     49.7
1964.0     0.057     22.4
1965.0     0.059    351.6
1966.0     0.071    327.1
1967.0     0.085    310.3
1968.0     0.099    298.4
1969.0     0.112    289.4
1970.0     0.123    282.0
1971.0     0.133    275.9
1972.0     0.141    270.5
1973.0     0.149    265.7
1974.0     0.156    261.4
1975.0     0.163    257.4
1976.0     0.169    253.7
1977.0     0.175    250.3
1978.0     0.181    247.1
1979.0     0.186    244.2
1980.0     0.192    241.3
1981.0     0.197    238.7
1982.0     0.202    236.1
1983.0     0.207    233.7
1984.0     0.212    231.4
1985.0     0.217    229.2
1986.0     0.221    227.1
1987.0     0.226    225.1
1988.0     0.231    223.2
1989.0     0.235    221.3
1990.0     0.240    219.5
1991.0     0.244    217.8
1992.0     0.249    216.1
1993.0     0.253    214.5
1994.0     0.257    213.0
1995.0     0.262    211.5
1996.0     0.266    210.0
1997.0     0.270    208.6
1998.0     0.274    207.3
1999.0     0.278    205.9
2000.0     0.282    204.7
2001.0     0.286    203.4
2002.0     0.290    202.2
2003.0     0.294    201.0
2004.0     0.298    199.9
2005.0     0.302    198.7
2006.0     0.305    197.6
2007.0     0.309    196.6
2008.0     0.313    195.5
2009.0     0.316    194.5
2010.0     0.320    193.5
2011.0     0.323    192.5
2012.0     0.327    191.6
2013.0     0.330    190.7
2014.0     0.333    189.7
2015.0     0.337    188.8
2016.0     0.340    188.0
2017.0     0.343    187.1
2018.0     0.346    186.2
2019.0     0.349    185.4
2020.0     0.352    184.6
2021.0     0.355    183.8
2022.0     0.358    183.0
2023.0     0.361    182.2
2024.0     0.364    181.5
2025.0     0.366    180.7
2026.0     0.369    179.9
2027.0     0.372    179.2
2028.0     0.374    178.5
2029.0     0.377    177.8
2030.0     0.379    177.1
2031.0     0.381    176.4
2032.0     0.384    175.7
2033.0     0.386    175.0
2034.0     0.388    174.3
2035.0     0.390    173.7
2036.0     0.392    173.0
2037.0     0.394    172.3
2038.0     0.396    171.7
2039.0     0.398    171.1
2040.0     0.399    170.4
2041.0     0.401    169.8
2042.0     0.403    169.2
2043.0     0.404    168.6
2044.0     0.405    167.9
2045.0     0.407    167.3
2046.0     0.408    166.7
2047.0     0.409    166.1
2048.0     0.411    165.5
2049.0     0.412    164.9
2050.0     0.413    164.3
2051.0     0.414    163.7
2052.0     0.414    163.1
2053.0     0.415    162.6
2054.0     0.416    162.0
2055.0     0.416    161.4
2056.0     0.417    160.8
2057.0     0.417    160.2
2058.0     0.418    159.7
2059.0     0.418    159.1
2060.0     0.418    158.5
2061.0     0.418    157.9
2062.0     0.418    157.4
2063.0     0.418    156.8
2064.0     0.418    156.2
2065.0     0.418    155.6
2066.0     0.417    155.0
2067.0     0.417    154.5
2068.0     0.416    153.9
2069.0     0.415    153.3
2070.0     0.415    152.7
2071.0     0.414    152.1
2072.0     0.413    151.5
2073.0     0.411    150.9
2074.0     0.410    150.3
2075.0     0.409    149.7
2076.0     0.407    149.1
2077.0     0.406    148.5
2078.0     0.404    147.9
2079.0     0.402    147.3
2080.0     0.400    146.7
2081.0     0.398    146.0
2082.0     0.396    145.4
2083.0     0.393    144.7
2084.0     0.391    144.1
2085.0     0.388    143.4
2086.0     0.385    142.8
2087.0     0.382    142.1
2088.0     0.379    141.4
2089.0     0.375    140.7
2090.0     0.372    139.9
2091.0     0.368    139.2
2092.0     0.364    138.4
2093.0     0.360    137.7
2094.0     0.356    136.9
2095.0     0.351    136.1
2096.0     0.346    135.3
2097.0     0.341    134.4
2098.0     0.336    133.5
2099.0     0.330    132.6
2100.0     0.324    131.7
2101.0     0.318    130.7
2102.0     0.312    129.7
2103.0     0.305    128.6



 

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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