Double Star Calculator - Orbit

Orbital Elements for DON652

WDS:	DON652	WDS ID/Discoverer
P:	120.600	Orbital period (years)
a:	0.6971	Semi-major axis (arcseconds)
i:	80.2	Inclination (degrees)
Ω:	82.7	Longitude of ascending node (degrees)
T:	2023.204	Epoch of periastron passage (year)
e:	0.9374	Eccentricity
ω:	30.8	Longitude of periastron (degrees)
Start-Year:	1964.7	Year
End-Year:	2085.3	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for DON652
Position:	141514.18-673930.0	Epoch-2000 right ascension and declination
WDS-ID:	14152-6739	WDS designation
Discoverer Code:	DON652	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	124239	HD catalog number
Hipparcos number:	69643	Hipparcos catalog number
V1:	7.70	Magnitude of the primary
V2:	11.20	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2024	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2024b	Reference

Double Star Orbit for DON652

WDS 6th Orbit including measures of DON652

-- 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 DON652

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.294   261.09
--------------------------
1964.70    1.160   268.61
1965.70    1.155   268.67
1966.70    1.151   268.74
1967.70    1.146   268.80
1968.70    1.140   268.87
1969.70    1.134   268.93
1970.70    1.128   269.00
1971.70    1.121   269.07
1972.70    1.114   269.14
1973.70    1.106   269.21
1974.70    1.098   269.28
1975.70    1.089   269.35
1976.70    1.080   269.42
1977.70    1.071   269.50
1978.70    1.061   269.57
1979.70    1.051   269.65
1980.70    1.040   269.73
1981.70    1.029   269.81
1982.70    1.017   269.89
1983.70    1.005   269.98
1984.70    0.992   270.06
1985.70    0.979   270.15
1986.70    0.965   270.24
1987.70    0.951   270.34
1988.70    0.936   270.43
1989.70    0.921   270.53
1990.70    0.905   270.64
1991.70    0.889   270.74
1992.70    0.873   270.85
1993.70    0.855   270.97
1994.70    0.837   271.09
1995.70    0.819   271.21
1996.70    0.800   271.34
1997.70    0.780   271.48
1998.70    0.760   271.63
1999.70    0.739   271.78
2000.70    0.717   271.94
2001.70    0.695   272.12
2002.70    0.672   272.30
2003.70    0.648   272.50
2004.70    0.624   272.71
2005.70    0.598   272.94
2006.70    0.572   273.19
2007.70    0.545   273.47
2008.70    0.517   273.77
2009.70    0.488   274.11
2010.70    0.457   274.50
2011.70    0.426   274.94
2012.70    0.393   275.45
2013.70    0.359   276.06
2014.70    0.324   276.80
2015.70    0.287   277.72
2016.70    0.248   278.93
2017.70    0.207   280.60
2018.70    0.164   283.13
2019.70    0.118   287.55
2020.70    0.071   297.81
2021.70    0.029   343.13
2022.70    0.047    69.11
2023.70    0.036   243.30
2024.70    0.152   257.77
2025.70    0.237   260.11
2026.70    0.308   261.28
2027.70    0.368   262.04
2028.70    0.422   262.59
2029.70    0.471   263.02
2030.70    0.516   263.38
2031.70    0.557   263.68
2032.70    0.595   263.93
2033.70    0.631   264.16
2034.70    0.665   264.37
2035.70    0.696   264.55
2036.70    0.726   264.72
2037.70    0.754   264.88
2038.70    0.781   265.03
2039.70    0.806   265.16
2040.70    0.830   265.29
2041.70    0.853   265.41
2042.70    0.875   265.53
2043.70    0.895   265.64
2044.70    0.915   265.74
2045.70    0.933   265.84
2046.70    0.951   265.94
2047.70    0.968   266.03
2048.70    0.984   266.12
2049.70    0.999   266.21
2050.70    1.014   266.30
2051.70    1.027   266.38
2052.70    1.040   266.46
2053.70    1.053   266.54
2054.70    1.064   266.61
2055.70    1.075   266.69
2056.70    1.085   266.76
2057.70    1.095   266.84
2058.70    1.104   266.91
2059.70    1.113   266.98
2060.70    1.121   267.05
2061.70    1.128   267.11
2062.70    1.135   267.18
2063.70    1.141   267.25
2064.70    1.147   267.31
2065.70    1.152   267.38
2066.70    1.157   267.44
2067.70    1.161   267.51
2068.70    1.165   267.57
2069.70    1.168   267.63
2070.70    1.171   267.70
2071.70    1.173   267.76
2072.70    1.175   267.82
2073.70    1.177   267.88
2074.70    1.177   267.94
2075.70    1.178   268.01
2076.70    1.178   268.07
2077.70    1.177   268.13
2078.70    1.177   268.19
2079.70    1.175   268.26
2080.70    1.173   268.32
2081.70    1.171   268.38
2082.70    1.168   268.44
2083.70    1.165   268.51
2084.70    1.162   268.57

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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.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 17:04:12