Double Star Calculator - Orbit

Orbital Elements for A1449

WDS:	A1449	WDS ID/Discoverer
P:	161.570	Orbital period (years)
a:	0.241	Semi-major axis (arcseconds)
i:	152.8	Inclination (degrees)
Ω:	17.5	Longitude of ascending node (degrees)
T:	1978.150	Epoch of periastron passage (year)
e:	0.709	Eccentricity
ω:	351.1	Longitude of periastron (degrees)
Start-Year:	1944.215	Year
End-Year:	2105.785	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1449
Position:	215533.91+384859.8	Epoch-2000 right ascension and declination
WDS-ID:	21556+3849	WDS designation
Discoverer Code:	A1449	Discover designation and components
ADS number:	15454	Aitken Double Star catalog
HD number:	208490	HD catalog number
Hipparcos number:	108231	Hipparcos catalog number
V1:	9.6	Magnitude of the primary
V2:	9.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	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:	Hrt2014b	Reference

Double Star Orbit for A1449

WDS 6th Orbit including measures of A1449

-- 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 A1449

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.355   222.67
--------------------------
1944.21    0.303   178.05
1945.21    0.298   177.16
1946.21    0.293   176.23
1947.21    0.287   175.26
1948.21    0.282   174.26
1949.21    0.276   173.22
1950.21    0.270   172.13
1951.21    0.264   170.99
1952.21    0.258   169.79
1953.21    0.251   168.54
1954.21    0.244   167.22
1955.21    0.238   165.82
1956.21    0.231   164.34
1957.21    0.223   162.76
1958.21    0.216   161.08
1959.21    0.208   159.27
1960.21    0.200   157.33
1961.21    0.192   155.23
1962.21    0.184   152.94
1963.21    0.176   150.44
1964.21    0.167   147.68
1965.21    0.158   144.61
1966.21    0.149   141.19
1967.21    0.140   137.32
1968.21    0.131   132.92
1969.21    0.122   127.85
1970.21    0.113   121.96
1971.21    0.104   115.04
1972.21    0.095   106.85
1973.21    0.088    97.13
1974.21    0.081    85.64
1975.21    0.075    72.28
1976.21    0.072    57.21
1977.21    0.070    40.98
1978.21    0.070    24.35
1979.21    0.072     8.10
1980.21    0.075   352.84
1981.21    0.079   338.98
1982.21    0.084   326.72
1983.21    0.091   316.05
1984.21    0.098   306.86
1985.21    0.105   298.96
1986.21    0.113   292.16
1987.21    0.122   286.27
1988.21    0.130   281.13
1989.21    0.138   276.61
1990.21    0.147   272.61
1991.21    0.155   269.03
1992.21    0.163   265.82
1993.21    0.171   262.91
1994.21    0.179   260.27
1995.21    0.187   257.84
1996.21    0.194   255.61
1997.21    0.202   253.54
1998.21    0.209   251.62
1999.21    0.216   249.83
2000.21    0.223   248.15
2001.21    0.230   246.57
2002.21    0.237   245.08
2003.21    0.243   243.67
2004.21    0.250   242.34
2005.21    0.256   241.07
2006.21    0.262   239.86
2007.21    0.268   238.70
2008.21    0.274   237.59
2009.21    0.279   236.53
2010.21    0.285   235.51
2011.21    0.290   234.53
2012.21    0.295   233.58
2013.21    0.300   232.66
2014.21    0.305   231.78
2015.21    0.310   230.92
2016.21    0.315   230.09
2017.21    0.319   229.28
2018.21    0.324   228.49
2019.21    0.328   227.73
2020.21    0.332   226.98
2021.21    0.336   226.25
2022.21    0.340   225.54
2023.21    0.344   224.85
2024.21    0.347   224.17
2025.21    0.351   223.50
2026.21    0.354   222.85
2027.21    0.358   222.21
2028.21    0.361   221.58
2029.21    0.364   220.96
2030.21    0.367   220.36
2031.21    0.370   219.76
2032.21    0.373   219.17
2033.21    0.376   218.59
2034.21    0.378   218.02
2035.21    0.381   217.46
2036.21    0.383   216.90
2037.21    0.385   216.35
2038.21    0.388   215.81
2039.21    0.390   215.27
2040.21    0.392   214.74
2041.21    0.394   214.21
2042.21    0.395   213.69
2043.21    0.397   213.18
2044.21    0.399   212.66
2045.21    0.400   212.15
2046.21    0.402   211.65
2047.21    0.403   211.15
2048.22    0.404   210.65
2049.22    0.405   210.15
2050.22    0.406   209.66
2051.22    0.407   209.17
2052.22    0.408   208.68
2053.22    0.409   208.19
2054.22    0.409   207.71
2055.22    0.410   207.22
2056.22    0.410   206.74
2057.22    0.410   206.26
2058.22    0.411   205.78
2059.22    0.411   205.29
2060.22    0.411   204.81
2061.22    0.411   204.33
2062.22    0.411   203.85
2063.22    0.410   203.37
2064.22    0.410   202.89
2065.22    0.410   202.41
2066.22    0.409   201.92
2067.22    0.409   201.44
2068.22    0.408   200.95
2069.22    0.407   200.46
2070.22    0.406   199.97
2071.22    0.405   199.48
2072.22    0.404   198.98
2073.22    0.403   198.48
2074.22    0.401   197.98
2075.22    0.400   197.47
2076.22    0.399   196.96
2077.22    0.397   196.45
2078.22    0.395   195.93
2079.22    0.393   195.41
2080.22    0.391   194.88
2081.22    0.389   194.35
2082.22    0.387   193.81
2083.22    0.385   193.27
2084.22    0.383   192.72
2085.22    0.380   192.16
2086.22    0.378   191.60
2087.22    0.375   191.02
2088.22    0.372   190.44
2089.22    0.369   189.85
2090.22    0.366   189.25
2091.22    0.363   188.64
2092.22    0.360   188.02
2093.22    0.357   187.39
2094.22    0.353   186.74
2095.22    0.349   186.09
2096.22    0.346   185.41
2097.22    0.342   184.73
2098.22    0.338   184.02
2099.22    0.334   183.30
2100.22    0.330   182.57
2101.22    0.325   181.81
2102.22    0.321   181.03
2103.22    0.316   180.23
2104.22    0.311   179.40
2105.22    0.306   178.55

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 18:34:21