Double Star Calculator - Orbit

Orbital Elements for FIN358

WDS:	FIN358	WDS ID/Discoverer
P:	142.300	Orbital period (years)
a:	0.177	Semi-major axis (arcseconds)
i:	72.4	Inclination (degrees)
Ω:	292.0	Longitude of ascending node (degrees)
T:	1988.800	Epoch of periastron passage (year)
e:	0.239	Eccentricity
ω:	144.4	Longitude of periastron (degrees)
Start-Year:	1953.85	Year
End-Year:	2096.15	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN358
Position:	215336.03-101841.8	Epoch-2000 right ascension and declination
WDS-ID:	21536-1019	WDS designation
Discoverer Code:	FIN358	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	208008	HD catalog number
Hipparcos number:	108058	Hipparcos catalog number
V1:	8.66	Magnitude of the primary
V2:	6.71	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2022g	Reference

Double Star Orbit for FIN358

WDS 6th Orbit including measures of FIN358

-- 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 FIN358

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.059   187.17
--------------------------
1953.85    0.164   301.66
1954.85    0.159   302.55
1955.85    0.154   303.49
1956.85    0.149   304.51
1957.85    0.143   305.60
1958.85    0.138   306.77
1959.85    0.132   308.06
1960.85    0.126   309.46
1961.85    0.119   311.02
1962.85    0.113   312.75
1963.85    0.106   314.70
1964.85    0.099   316.90
1965.85    0.093   319.43
1966.85    0.086   322.36
1967.85    0.079   325.80
1968.85    0.072   329.88
1969.85    0.066   334.76
1970.85    0.060   340.66
1971.85    0.054   347.81
1972.85    0.050   356.41
1973.85    0.046     6.48
1974.85    0.045    17.78
1975.85    0.044    29.62
1976.85    0.046    41.13
1977.85    0.049    51.57
1978.85    0.053    60.56
1979.85    0.058    68.09
1980.85    0.064    74.33
1981.85    0.070    79.51
1982.85    0.077    83.85
1983.85    0.083    87.51
1984.85    0.089    90.66
1985.85    0.095    93.39
1986.85    0.101    95.80
1987.85    0.107    97.94
1988.85    0.112    99.88
1989.85    0.117   101.64
1990.85    0.122   103.27
1991.85    0.126   104.79
1992.85    0.129   106.22
1993.85    0.133   107.57
1994.85    0.135   108.87
1995.85    0.137   110.12
1996.85    0.139   111.34
1997.85    0.140   112.53
1998.85    0.141   113.71
1999.85    0.141   114.88
2000.85    0.141   116.05
2001.85    0.140   117.23
2002.85    0.139   118.43
2003.85    0.137   119.65
2004.85    0.135   120.90
2005.85    0.133   122.19
2006.85    0.130   123.54
2007.85    0.127   124.94
2008.85    0.124   126.41
2009.85    0.121   127.96
2010.85    0.117   129.61
2011.85    0.113   131.38
2012.85    0.109   133.27
2013.85    0.105   135.31
2014.85    0.100   137.53
2015.85    0.096   139.95
2016.85    0.092   142.60
2017.85    0.087   145.52
2018.85    0.083   148.74
2019.85    0.079   152.32
2020.85    0.075   156.28
2021.85    0.071   160.68
2022.85    0.068   165.54
2023.85    0.065   170.89
2024.85    0.062   176.70
2025.85    0.060   182.93
2026.85    0.059   189.49
2027.85    0.058   196.25
2028.85    0.059   203.05
2029.85    0.060   209.71
2030.85    0.061   216.08
2031.85    0.064   222.07
2032.85    0.066   227.60
2033.85    0.070   232.64
2034.85    0.073   237.19
2035.85    0.077   241.30
2036.85    0.082   244.99
2037.85    0.086   248.30
2038.85    0.091   251.28
2039.85    0.095   253.96
2040.85    0.100   256.39
2041.85    0.105   258.60
2042.85    0.110   260.61
2043.85    0.115   262.45
2044.85    0.120   264.14
2045.85    0.125   265.70
2046.85    0.129   267.15
2047.85    0.134   268.49
2048.85    0.139   269.74
2049.85    0.143   270.91
2050.85    0.148   272.01
2051.85    0.152   273.05
2052.85    0.156   274.03
2053.85    0.160   274.96
2054.85    0.164   275.84
2055.85    0.168   276.68
2056.85    0.172   277.49
2057.85    0.175   278.26
2058.85    0.179   279.00
2059.85    0.182   279.72
2060.85    0.185   280.40
2061.85    0.188   281.07
2062.85    0.191   281.72
2063.85    0.194   282.35
2064.85    0.196   282.96
2065.85    0.198   283.56
2066.85    0.200   284.15
2067.85    0.202   284.72
2068.85    0.204   285.29
2069.85    0.205   285.84
2070.85    0.207   286.39
2071.85    0.208   286.94
2072.85    0.208   287.47
2073.85    0.209   288.01
2074.85    0.210   288.54
2075.85    0.210   289.07
2076.85    0.210   289.60
2077.85    0.210   290.12
2078.85    0.209   290.65
2079.85    0.209   291.19
2080.85    0.208   291.72
2081.85    0.207   292.27
2082.85    0.205   292.82
2083.85    0.204   293.37
2084.85    0.202   293.94
2085.85    0.200   294.52
2086.85    0.197   295.11
2087.85    0.195   295.71
2088.85    0.192   296.33
2089.85    0.189   296.97
2090.85    0.186   297.64
2091.85    0.182   298.32
2092.85    0.178   299.04
2093.85    0.174   299.79
2094.85    0.170   300.57
2095.85    0.166   301.40

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 18:33:53