Double Star Calculator - Orbit

Orbital Elements for A1095

WDS:	A1095	WDS ID/Discoverer
P:	187.530	Orbital period (years)
a:	0.331	Semi-major axis (arcseconds)
i:	37.8	Inclination (degrees)
Ω:	109.1	Longitude of ascending node (degrees)
T:	2049.280	Epoch of periastron passage (year)
e:	0.471	Eccentricity
ω:	298.2	Longitude of periastron (degrees)
Start-Year:	1931.235	Year
End-Year:	2118.765	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1095
Position:	133333.77+294416.9	Epoch-2000 right ascension and declination
WDS-ID:	13336+2944	WDS designation
Discoverer Code:	A1095	Discover designation and components
ADS number:	8943	Aitken Double Star catalog
HD number:	117998	HD catalog number
Hipparcos number:	66149	Hipparcos catalog number
V1:	8.98	Magnitude of the primary
V2:	9.32	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1999	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Ole2002a	Reference

Double Star Orbit for A1095

WDS 6th Orbit including measures of A1095

-- 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 A1095

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.268   305.57
--------------------------
1931.23    0.368   209.87
1932.23    0.370   210.94
1933.23    0.372   212.01
1934.23    0.374   213.06
1935.23    0.376   214.10
1936.23    0.378   215.13
1937.23    0.380   216.15
1938.23    0.382   217.16
1939.23    0.384   218.16
1940.23    0.386   219.15
1941.23    0.388   220.13
1942.23    0.389   221.10
1943.23    0.391   222.06
1944.23    0.393   223.01
1945.23    0.395   223.96
1946.23    0.396   224.90
1947.23    0.398   225.83
1948.23    0.400   226.75
1949.23    0.401   227.66
1950.23    0.403   228.57
1951.23    0.404   229.47
1952.23    0.405   230.37
1953.23    0.407   231.26
1954.23    0.408   232.14
1955.23    0.409   233.02
1956.23    0.411   233.89
1957.23    0.412   234.75
1958.23    0.413   235.62
1959.23    0.414   236.47
1960.23    0.415   237.33
1961.23    0.416   238.18
1962.23    0.417   239.02
1963.23    0.418   239.86
1964.23    0.419   240.70
1965.23    0.419   241.54
1966.23    0.420   242.37
1967.23    0.421   243.20
1968.23    0.421   244.03
1969.23    0.421   244.85
1970.23    0.422   245.68
1971.23    0.422   246.50
1972.23    0.422   247.32
1973.23    0.423   248.15
1974.23    0.423   248.97
1975.23    0.423   249.79
1976.23    0.423   250.61
1977.23    0.423   251.43
1978.23    0.422   252.25
1979.23    0.422   253.07
1980.23    0.422   253.89
1981.23    0.421   254.72
1982.23    0.421   255.54
1983.23    0.420   256.37
1984.23    0.419   257.21
1985.23    0.419   258.04
1986.23    0.418   258.88
1987.23    0.417   259.72
1988.23    0.415   260.57
1989.23    0.414   261.42
1990.23    0.413   262.28
1991.23    0.411   263.14
1992.23    0.410   264.01
1993.23    0.408   264.89
1994.23    0.406   265.77
1995.23    0.405   266.66
1996.23    0.403   267.56
1997.23    0.400   268.47
1998.23    0.398   269.39
1999.23    0.396   270.32
2000.23    0.393   271.26
2001.23    0.391   272.22
2002.23    0.388   273.19
2003.23    0.385   274.17
2004.23    0.382   275.17
2005.23    0.378   276.18
2006.23    0.375   277.21
2007.23    0.372   278.27
2008.23    0.368   279.34
2009.23    0.364   280.43
2010.23    0.360   281.55
2011.23    0.356   282.70
2012.23    0.351   283.87
2013.23    0.347   285.07
2014.23    0.342   286.31
2015.23    0.337   287.58
2016.23    0.332   288.89
2017.23    0.327   290.24
2018.23    0.321   291.63
2019.23    0.316   293.08
2020.23    0.310   294.57
2021.23    0.304   296.13
2022.23    0.297   297.75
2023.23    0.291   299.45
2024.23    0.284   301.22
2025.23    0.277   303.08
2026.23    0.270   305.03
2027.23    0.263   307.09
2028.23    0.256   309.27
2029.23    0.248   311.58
2030.23    0.240   314.04
2031.23    0.232   316.66
2032.23    0.224   319.47
2033.23    0.216   322.49
2034.23    0.208   325.75
2035.23    0.200   329.27
2036.23    0.192   333.08
2037.23    0.184   337.22
2038.23    0.177   341.72
2039.23    0.170   346.61
2040.23    0.163   351.92
2041.23    0.157   357.65
2042.23    0.152     3.81
2043.23    0.148    10.37
2044.23    0.144    17.25
2045.23    0.143    24.38
2046.23    0.142    31.65
2047.23    0.142    38.91
2048.23    0.144    46.05
2049.23    0.147    52.96
2050.23    0.151    59.56
2051.23    0.156    65.80
2052.23    0.161    71.66
2053.23    0.166    77.14
2054.23    0.172    82.25
2055.23    0.178    87.03
2056.23    0.184    91.50
2057.23    0.190    95.68
2058.23    0.196    99.61
2059.23    0.202   103.32
2060.23    0.207   106.83
2061.23    0.212   110.17
2062.23    0.217   113.34
2063.23    0.222   116.37
2064.23    0.227   119.28
2065.23    0.231   122.08
2066.23    0.235   124.77
2067.23    0.239   127.37
2068.23    0.243   129.89
2069.23    0.247   132.33
2070.23    0.250   134.70
2071.23    0.254   137.00
2072.23    0.257   139.25
2073.23    0.260   141.44
2074.23    0.263   143.58
2075.23    0.266   145.67
2076.23    0.269   147.72
2077.23    0.272   149.72
2078.23    0.275   151.68
2079.23    0.277   153.61
2080.23    0.280   155.50
2081.23    0.283   157.35
2082.23    0.285   159.17
2083.23    0.288   160.96
2084.23    0.290   162.71
2085.23    0.292   164.44
2086.23    0.295   166.14
2087.23    0.297   167.81
2088.23    0.300   169.46
2089.23    0.302   171.08
2090.23    0.304   172.67
2091.23    0.307   174.24
2092.23    0.309   175.79
2093.23    0.311   177.31
2094.23    0.314   178.82
2095.23    0.316   180.29
2096.23    0.318   181.75
2097.23    0.321   183.19
2098.23    0.323   184.60
2099.23    0.325   186.00
2100.23    0.327   187.38
2101.23    0.330   188.74
2102.23    0.332   190.07
2103.23    0.334   191.40
2104.23    0.337   192.70
2105.23    0.339   193.98
2106.23    0.341   195.25
2107.23    0.343   196.51
2108.23    0.345   197.74
2109.23    0.348   198.96
2110.23    0.350   200.17
2111.23    0.352   201.36
2112.23    0.354   202.53
2113.23    0.356   203.69
2114.23    0.359   204.84
2115.23    0.361   205.97
2116.23    0.363   207.09
2117.23    0.365   208.20
2118.23    0.367   209.29

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 16:57:32