Double Star Calculator - Orbit

Orbital Elements for SEE264AB

WDS:	SEE264AB	WDS ID/Discoverer
P:	131.200	Orbital period (years)
a:	0.807	Semi-major axis (arcseconds)
i:	152.3	Inclination (degrees)
Ω:	161.7	Longitude of ascending node (degrees)
T:	1981.400	Epoch of periastron passage (year)
e:	0.029	Eccentricity
ω:	53.3	Longitude of periastron (degrees)
Start-Year:	1959.4	Year
End-Year:	2090.6	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE264AB
Position:	160539.19-325144.4	Epoch-2000 right ascension and declination
WDS-ID:	16057-3252	WDS designation
Discoverer Code:	SEE264AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	144179	HD catalog number
Hipparcos number:	78842	Hipparcos catalog number
V1:	8.34	Magnitude of the primary
V2:	9.29	Magnitude of the secondary
Equinox:		Equinox
Date:	2017	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2018j	Reference

Double Star Orbit for SEE264AB

WDS 6th Orbit including measures of SEE264AB

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

Legend:

Green plus signs:	Visual (micrometric) measures
Violet asterisks:	Photographic measures
Blue symbols:	Various interferometric techniques
Dot-dash line:	Indicates the line of nodes

Ephemeris of SEE264AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.820   341.91
--------------------------
1959.40    0.793   170.58
1960.40    0.794   168.07
1961.40    0.794   165.56
1962.40    0.793   163.04
1963.40    0.792   160.53
1964.40    0.791   158.00
1965.40    0.789   155.47
1966.40    0.787   152.92
1967.40    0.785   150.36
1968.40    0.782   147.78
1969.40    0.779   145.19
1970.40    0.776   142.57
1971.40    0.772   139.93
1972.40    0.768   137.26
1973.40    0.764   134.57
1974.40    0.759   131.84
1975.40    0.755   129.08
1976.40    0.750   126.29
1977.40    0.746   123.46
1978.40    0.741   120.60
1979.40    0.736   117.70
1980.40    0.732   114.77
1981.40    0.727   111.79
1982.40    0.723   108.78
1983.40    0.719   105.74
1984.40    0.715   102.66
1985.40    0.711    99.55
1986.40    0.708    96.41
1987.40    0.705    93.24
1988.40    0.703    90.04
1989.40    0.701    86.83
1990.40    0.699    83.60
1991.40    0.698    80.36
1992.40    0.697    77.11
1993.40    0.697    73.86
1994.40    0.698    70.61
1995.40    0.699    67.37
1996.40    0.700    64.14
1997.40    0.703    60.92
1998.40    0.705    57.73
1999.40    0.708    54.56
2000.40    0.711    51.42
2001.40    0.715    48.31
2002.40    0.719    45.24
2003.40    0.724    42.20
2004.40    0.729    39.20
2005.40    0.734    36.25
2006.40    0.739    33.33
2007.40    0.744    30.45
2008.40    0.750    27.62
2009.40    0.755    24.82
2010.40    0.761    22.07
2011.40    0.766    19.36
2012.40    0.771    16.68
2013.40    0.777    14.04
2014.40    0.782    11.44
2015.40    0.787     8.87
2016.40    0.791     6.33
2017.40    0.796     3.82
2018.40    0.800     1.33
2019.40    0.804   358.87
2020.40    0.807   356.44
2021.40    0.810   354.02
2022.40    0.813   351.62
2023.40    0.816   349.24
2024.40    0.818   346.86
2025.40    0.819   344.50
2026.40    0.820   342.15
2027.40    0.821   339.80
2028.40    0.821   337.46
2029.40    0.821   335.11
2030.40    0.821   332.77
2031.40    0.820   330.42
2032.40    0.819   328.07
2033.40    0.817   325.70
2034.40    0.815   323.33
2035.40    0.813   320.95
2036.40    0.811   318.55
2037.40    0.808   316.13
2038.40    0.804   313.70
2039.40    0.801   311.24
2040.40    0.797   308.77
2041.40    0.794   306.27
2042.40    0.790   303.75
2043.40    0.786   301.20
2044.40    0.782   298.62
2045.40    0.777   296.02
2046.40    0.773   293.39
2047.40    0.769   290.72
2048.40    0.765   288.04
2049.40    0.761   285.32
2050.40    0.757   282.57
2051.40    0.753   279.79
2052.40    0.750   276.99
2053.40    0.746   274.16
2054.40    0.743   271.31
2055.40    0.740   268.44
2056.40    0.738   265.54
2057.40    0.736   262.63
2058.40    0.734   259.70
2059.40    0.732   256.76
2060.40    0.731   253.81
2061.40    0.731   250.85
2062.40    0.730   247.88
2063.40    0.731   244.92
2064.40    0.731   241.96
2065.40    0.732   239.00
2066.40    0.733   236.05
2067.40    0.735   233.12
2068.40    0.736   230.19
2069.40    0.739   227.29
2070.40    0.741   224.40
2071.40    0.744   221.53
2072.40    0.747   218.68
2073.40    0.750   215.85
2074.40    0.753   213.05
2075.40    0.756   210.27
2076.40    0.759   207.52
2077.40    0.763   204.79
2078.40    0.766   202.08
2079.40    0.769   199.40
2080.40    0.773   196.74
2081.40    0.776   194.10
2082.40    0.779   191.48
2083.40    0.781   188.88
2084.40    0.784   186.30
2085.40    0.786   183.74
2086.40    0.788   181.19
2087.40    0.790   178.65
2088.40    0.791   176.12
2089.40    0.793   173.60
2090.40    0.793   171.08

Disclaimer

This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 17:22:35