Double Star Calculator - Orbit

Orbital Elements for A1529
WDS: A1529 WDS ID/Discoverer
P: 105.480 Orbital period (years)
a: 0.159 Semi-major axis (arcseconds)
i: 98.0 Inclination (degrees)
Ω: 165.4 Longitude of ascending node (degrees)
T: 1966.000 Epoch of periastron passage (year)
e: 0.731 Eccentricity
ω: 208.1 Longitude of periastron (degrees)
Start-Year: 1972.26 Year
End-Year: 2077.74 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A1529
Position: 030037.99+475306.4 Epoch-2000 right ascension and declination
WDS-ID: 03006+4753 WDS designation
Discoverer Code: A1529 Discover designation and components
ADS number: 2271 Aitken Double Star catalog
HD number: 18549 HD catalog number
Hipparcos number: 14029 Hipparcos catalog number
V1: 8.10 Magnitude of the primary
V2: 9.68 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: Tam2006 Reference

Double Star Orbit for A1529



WDS 6th Orbit including measures of A1529

-- 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 A1529
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.225   160.00
--------------------------
1972.26    0.067   173.28
1973.26    0.081   171.79
1974.26    0.094   170.72
1975.26    0.106   169.90
1976.26    0.117   169.25
1977.26    0.128   168.70
1978.26    0.137   168.24
1979.26    0.147   167.83
1980.26    0.155   167.47
1981.26    0.163   167.15
1982.26    0.171   166.85
1983.26    0.178   166.58
1984.26    0.184   166.33
1985.26    0.190   166.10
1986.26    0.196   165.88
1987.26    0.202   165.67
1988.26    0.207   165.47
1989.26    0.211   165.29
1990.26    0.216   165.11
1991.26    0.220   164.93
1992.26    0.224   164.77
1993.26    0.227   164.61
1994.26    0.231   164.45
1995.26    0.234   164.30
1996.26    0.236   164.15
1997.26    0.239   164.00
1998.26    0.241   163.86
1999.26    0.243   163.72
2000.26    0.245   163.58
2001.26    0.247   163.45
2002.26    0.248   163.31
2003.26    0.249   163.18
2004.26    0.250   163.05
2005.26    0.251   162.92
2006.26    0.252   162.79
2007.26    0.252   162.66
2008.26    0.252   162.53
2009.26    0.252   162.40
2010.26    0.252   162.27
2011.26    0.252   162.14
2012.26    0.251   162.01
2013.26    0.250   161.88
2014.26    0.249   161.75
2015.26    0.248   161.62
2016.26    0.247   161.49
2017.26    0.246   161.35
2018.26    0.244   161.22
2019.26    0.243   161.08
2020.26    0.241   160.94
2021.26    0.239   160.79
2022.26    0.236   160.65
2023.26    0.234   160.50
2024.26    0.231   160.35
2025.26    0.229   160.20
2026.26    0.226   160.04
2027.26    0.223   159.87
2028.26    0.220   159.71
2029.26    0.216   159.53
2030.26    0.213   159.36
2031.26    0.209   159.17
2032.26    0.205   158.98
2033.26    0.201   158.78
2034.26    0.197   158.58
2035.26    0.193   158.36
2036.26    0.189   158.14
2037.26    0.184   157.90
2038.26    0.179   157.65
2039.26    0.174   157.39
2040.26    0.169   157.11
2041.26    0.164   156.82
2042.26    0.158   156.50
2043.26    0.153   156.16
2044.26    0.147   155.80
2045.26    0.141   155.40
2046.26    0.135   154.97
2047.26    0.129   154.50
2048.26    0.122   153.98
2049.26    0.116   153.40
2050.26    0.109   152.75
2051.26    0.102   152.01
2052.26    0.095   151.16
2053.26    0.087   150.17
2054.26    0.080   149.00
2055.26    0.072   147.58
2056.26    0.064   145.81
2057.26    0.056   143.56
2058.26    0.049   140.57
2059.26    0.040   136.40
2060.26    0.033   130.19
2061.26    0.025   120.18
2062.26    0.019   102.80
2063.26    0.016    74.08
2064.26    0.017    42.02
2065.26    0.022    20.25
2066.26    0.029     7.68
2067.26    0.036   359.92
2068.26    0.042   354.58
2069.26    0.046   350.42
2070.26    0.046   346.64
2071.26    0.040   342.34
2072.26    0.027   335.10
2073.26    0.012   309.72
2074.26    0.012   207.88
2075.26    0.028   183.63
2076.26    0.045   177.25
2077.26    0.060   174.24






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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 15:06:47



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