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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:15:40
WDS:
LDS720BC
WDS ID/Discoverer
P:
141.390
Orbital period (years)
a:
2.616
Semi-major axis (arcseconds)
i:
148.4
Inclination (degrees)
Ω:
82.6
Longitude of ascending node (degrees)
T:
2035.100
Epoch of periastron passage (year)
e:
0.607
Eccentricity
ω:
54.6
Longitude of periastron (degrees)
Start-Year:
1955.0
Year
End-Year:
2095.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
204151.16-322606.7
Epoch-2000 right ascension and declination
WDS-ID:
20452-3120
WDS designation
Discoverer Code:
LDS720BC
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
196982
HD catalog number
Hipparcos number:
102141
Hipparcos catalog number
V1:
11.36
Magnitude of the primary
V2:
11.49
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2012
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)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 1.593 115.1
-------------------------
1955.0 3.831 220.0
1956.0 3.833 219.2
1957.0 3.833 218.4
1958.0 3.832 217.6
1959.0 3.830 216.8
1960.0 3.827 216.0
1961.0 3.823 215.2
1962.0 3.818 214.4
1963.0 3.812 213.6
1964.0 3.804 212.8
1965.0 3.796 212.0
1966.0 3.787 211.1
1967.0 3.776 210.3
1968.0 3.765 209.5
1969.0 3.752 208.6
1970.0 3.739 207.8
1971.0 3.725 207.0
1972.0 3.709 206.1
1973.0 3.693 205.2
1974.0 3.676 204.4
1975.0 3.657 203.5
1976.0 3.638 202.6
1977.0 3.618 201.7
1978.0 3.596 200.8
1979.0 3.574 199.9
1980.0 3.551 199.0
1981.0 3.527 198.0
1982.0 3.502 197.1
1983.0 3.476 196.1
1984.0 3.450 195.1
1985.0 3.422 194.1
1986.0 3.393 193.1
1987.0 3.364 192.1
1988.0 3.333 191.0
1989.0 3.302 189.9
1990.0 3.270 188.8
1991.0 3.236 187.7
1992.0 3.202 186.6
1993.0 3.167 185.4
1994.0 3.132 184.2
1995.0 3.095 183.0
1996.0 3.057 181.8
1997.0 3.019 180.5
1998.0 2.979 179.2
1999.0 2.939 177.8
2000.0 2.898 176.5
2001.0 2.856 175.0
2002.0 2.813 173.6
2003.0 2.770 172.1
2004.0 2.725 170.5
2005.0 2.680 168.9
2006.0 2.633 167.2
2007.0 2.586 165.5
2008.0 2.538 163.7
2009.0 2.490 161.8
2010.0 2.440 159.9
2011.0 2.390 157.8
2012.0 2.339 155.7
2013.0 2.286 153.5
2014.0 2.234 151.2
2015.0 2.180 148.8
2016.0 2.125 146.3
2017.0 2.070 143.6
2018.0 2.014 140.7
2019.0 1.957 137.8
2020.0 1.899 134.6
2021.0 1.840 131.2
2022.0 1.780 127.6
2023.0 1.718 123.7
2024.0 1.656 119.6
2025.0 1.593 115.1
2026.0 1.528 110.3
2027.0 1.461 105.0
2028.0 1.393 99.2
2029.0 1.323 92.8
2030.0 1.251 85.7
2031.0 1.179 77.7
2032.0 1.107 68.6
2033.0 1.039 58.4
2034.0 0.979 46.8
2035.0 0.933 33.8
2036.0 0.909 19.8
2037.0 0.912 5.5
2038.0 0.944 351.8
2039.0 1.002 339.3
2040.0 1.079 328.3
2041.0 1.170 319.0
2042.0 1.269 311.0
2043.0 1.373 304.2
2044.0 1.478 298.4
2045.0 1.583 293.4
2046.0 1.687 289.0
2047.0 1.788 285.1
2048.0 1.886 281.6
2049.0 1.981 278.4
2050.0 2.074 275.5
2051.0 2.163 272.9
2052.0 2.248 270.5
2053.0 2.331 268.2
2054.0 2.410 266.1
2055.0 2.486 264.2
2056.0 2.560 262.3
2057.0 2.630 260.6
2058.0 2.698 258.9
2059.0 2.763 257.3
2060.0 2.825 255.8
2061.0 2.885 254.4
2062.0 2.943 253.0
2063.0 2.998 251.6
2064.0 3.051 250.3
2065.0 3.101 249.1
2066.0 3.150 247.9
2067.0 3.196 246.7
2068.0 3.241 245.6
2069.0 3.283 244.5
2070.0 3.324 243.4
2071.0 3.362 242.3
2072.0 3.399 241.3
2073.0 3.434 240.3
2074.0 3.468 239.3
2075.0 3.499 238.3
2076.0 3.529 237.4
2077.0 3.558 236.4
2078.0 3.585 235.5
2079.0 3.610 234.6
2080.0 3.634 233.7
2081.0 3.656 232.8
2082.0 3.677 231.9
2083.0 3.696 231.1
2084.0 3.714 230.2
2085.0 3.731 229.4
2086.0 3.746 228.5
2087.0 3.761 227.7
2088.0 3.773 226.8
2089.0 3.785 226.0
2090.0 3.795 225.2
2091.0 3.804 224.4
2092.0 3.812 223.6
2093.0 3.818 222.8
2094.0 3.823 221.9
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 .
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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