Double Star Calculator - Orbit

Orbital Elements for A1303
WDS: A1303 WDS ID/Discoverer
P: 142.250 Orbital period (years)
a: 0.198 Semi-major axis (arcseconds)
i: 133.1 Inclination (degrees)
Ω: 1.2 Longitude of ascending node (degrees)
T: 2030.310 Epoch of periastron passage (year)
e: 0.486 Eccentricity
ω: 210.9 Longitude of periastron (degrees)
Start-Year: 1953.875 Year
End-Year: 2096.125 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for A1303
Position: 045953.79+532707.6 Epoch-2000 right ascension and declination
WDS-ID: 04599+5327 WDS designation
Discoverer Code: A1303 Discover designation and components
ADS number: 3573 Aitken Double Star catalog
HD number: 31578 HD catalog number
Hipparcos number: 23229 Hipparcos catalog number
V1: 8.54 Magnitude of the primary
V2: 9.24 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1996 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: Sca2001a Reference

Double Star Orbit for A1303



WDS 6th Orbit including measures of A1303

-- 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 A1303
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.107   181.19
--------------------------
1953.88    0.278   343.10
1954.88    0.277   342.33
1955.88    0.276   341.56
1956.88    0.275   340.78
1957.88    0.274   340.00
1958.88    0.273   339.21
1959.88    0.272   338.41
1960.88    0.270   337.60
1961.88    0.269   336.79
1962.88    0.267   335.96
1963.88    0.265   335.13
1964.88    0.264   334.28
1965.88    0.262   333.42
1966.88    0.260   332.55
1967.88    0.257   331.66
1968.88    0.255   330.76
1969.88    0.253   329.84
1970.88    0.250   328.91
1971.88    0.248   327.95
1972.88    0.245   326.98
1973.88    0.243   325.99
1974.88    0.240   324.97
1975.88    0.237   323.93
1976.88    0.234   322.86
1977.88    0.231   321.76
1978.88    0.228   320.64
1979.88    0.225   319.48
1980.88    0.222   318.29
1981.88    0.218   317.07
1982.88    0.215   315.80
1983.88    0.212   314.50
1984.88    0.208   313.15
1985.88    0.205   311.76
1986.88    0.201   310.32
1987.88    0.197   308.83
1988.88    0.194   307.28
1989.88    0.190   305.67
1990.88    0.186   304.00
1991.88    0.183   302.26
1992.88    0.179   300.45
1993.88    0.175   298.56
1994.88    0.172   296.59
1995.88    0.168   294.54
1996.88    0.164   292.39
1997.88    0.161   290.15
1998.88    0.157   287.80
1999.88    0.154   285.35
2000.88    0.150   282.78
2001.88    0.147   280.10
2002.88    0.144   277.30
2003.88    0.141   274.37
2004.88    0.138   271.32
2005.88    0.135   268.13
2006.88    0.132   264.82
2007.88    0.130   261.37
2008.88    0.128   257.81
2009.88    0.126   254.12
2010.88    0.124   250.31
2011.88    0.122   246.40
2012.88    0.121   242.39
2013.88    0.120   238.30
2014.88    0.119   234.13
2015.88    0.118   229.89
2016.88    0.117   225.60
2017.88    0.117   221.26
2018.88    0.116   216.88
2019.88    0.115   212.45
2020.88    0.115   207.98
2021.88    0.114   203.45
2022.88    0.113   198.86
2023.88    0.112   194.17
2024.88    0.110   189.36
2025.88    0.108   184.40
2026.88    0.106   179.22
2027.88    0.103   173.78
2028.88    0.100   168.00
2029.88    0.096   161.80
2030.88    0.092   155.11
2031.88    0.088   147.85
2032.88    0.085   139.97
2033.88    0.082   131.50
2034.88    0.080   122.51
2035.88    0.079   113.21
2036.88    0.080   103.85
2037.88    0.082    94.75
2038.88    0.085    86.15
2039.88    0.089    78.23
2040.88    0.094    71.08
2041.88    0.099    64.69
2042.88    0.105    59.02
2043.88    0.112    53.99
2044.88    0.119    49.52
2045.88    0.125    45.54
2046.88    0.132    41.98
2047.88    0.139    38.77
2048.88    0.146    35.86
2049.88    0.153    33.20
2050.88    0.160    30.77
2051.88    0.166    28.54
2052.88    0.172    26.47
2053.88    0.178    24.54
2054.88    0.184    22.74
2055.88    0.190    21.05
2056.88    0.196    19.45
2057.88    0.201    17.95
2058.88    0.206    16.52
2059.88    0.211    15.16
2060.88    0.216    13.86
2061.88    0.221    12.62
2062.88    0.225    11.42
2063.88    0.229    10.27
2064.88    0.233     9.17
2065.88    0.237     8.09
2066.88    0.241     7.05
2067.88    0.244     6.05
2068.88    0.247     5.07
2069.88    0.251     4.11
2070.88    0.254     3.18
2071.88    0.256     2.27
2072.88    0.259     1.37
2073.88    0.261     0.50
2074.88    0.264   359.64
2075.88    0.266   358.79
2076.88    0.268   357.96
2077.88    0.270   357.14
2078.88    0.271   356.33
2079.88    0.273   355.53
2080.88    0.274   354.74
2081.88    0.275   353.95
2082.88    0.276   353.17
2083.88    0.277   352.40
2084.88    0.278   351.63
2085.88    0.279   350.87
2086.88    0.279   350.11
2087.88    0.280   349.35
2088.88    0.280   348.59
2089.88    0.280   347.84
2090.88    0.280   347.08
2091.88    0.280   346.33
2092.88    0.280   345.57
2093.88    0.279   344.81
2094.88    0.279   344.05
2095.88    0.278   343.29



 

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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.


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Double Star Calculator:   Version 1.2 ($Rev: 2397 $)
Report created:   2026-06-25 15:32:37


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