Double Star Calculator - Orbit

Orbital Elements for RST3325

WDS:	RST3325	WDS ID/Discoverer
P:	122.300	Orbital period (years)
a:	0.198	Semi-major axis (arcseconds)
i:	61.5	Inclination (degrees)
Ω:	102.2	Longitude of ascending node (degrees)
T:	1996.630	Epoch of periastron passage (year)
e:	0.646	Eccentricity
ω:	255.0	Longitude of periastron (degrees)
Start-Year:	1963.85	Year
End-Year:	2086.15	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST3325
Position:	233233.04-451954.6	Epoch-2000 right ascension and declination
WDS-ID:	23326-4520	WDS designation
Discoverer Code:	RST3325	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	221465	HD catalog number
Hipparcos number:	116193	Hipparcos catalog number
V1:	9.32	Magnitude of the primary
V2:	9.86	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2020	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:	Tok2021c	Reference

Double Star Orbit for RST3325

WDS 6th Orbit including measures of RST3325

-- 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 RST3325

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.205   127.72
--------------------------
1963.85    0.139   215.14
1964.85    0.139   217.32
1965.85    0.139   219.50
1966.85    0.138   221.69
1967.85    0.138   223.89
1968.85    0.138   226.09
1969.85    0.138   228.29
1970.85    0.138   230.49
1971.85    0.138   232.69
1972.85    0.138   234.89
1973.85    0.138   237.10
1974.85    0.138   239.30
1975.85    0.138   241.51
1976.85    0.138   243.72
1977.85    0.137   245.95
1978.85    0.137   248.18
1979.85    0.136   250.44
1980.85    0.135   252.71
1981.85    0.134   255.02
1982.85    0.133   257.37
1983.85    0.131   259.77
1984.85    0.129   262.24
1985.85    0.127   264.80
1986.85    0.124   267.48
1987.85    0.120   270.32
1988.85    0.115   273.37
1989.85    0.109   276.72
1990.85    0.102   280.48
1991.85    0.094   284.86
1992.85    0.084   290.20
1993.85    0.072   297.18
1994.85    0.059   307.16
1995.85    0.045   323.06
1996.85    0.036   349.93
1997.85    0.035    25.58
1998.85    0.045    53.26
1999.85    0.058    69.51
2000.85    0.073    79.38
2001.85    0.087    86.00
2002.85    0.100    90.85
2003.85    0.111    94.63
2004.85    0.122    97.71
2005.85    0.132   100.33
2006.85    0.140   102.61
2007.85    0.148   104.64
2008.85    0.155   106.47
2009.85    0.161   108.16
2010.85    0.167   109.72
2011.85    0.172   111.19
2012.85    0.177   112.57
2013.85    0.181   113.89
2014.85    0.184   115.15
2015.85    0.188   116.36
2016.85    0.191   117.54
2017.85    0.193   118.68
2018.85    0.196   119.79
2019.85    0.198   120.88
2020.85    0.199   121.94
2021.85    0.201   122.99
2022.85    0.202   124.03
2023.85    0.203   125.05
2024.85    0.204   126.06
2025.85    0.205   127.07
2026.85    0.205   128.07
2027.85    0.206   129.06
2028.85    0.206   130.06
2029.85    0.206   131.05
2030.85    0.206   132.04
2031.85    0.206   133.03
2032.85    0.205   134.03
2033.85    0.205   135.03
2034.85    0.204   136.04
2035.85    0.203   137.05
2036.85    0.203   138.07
2037.85    0.202   139.10
2038.85    0.201   140.14
2039.85    0.200   141.19
2040.85    0.199   142.25
2041.85    0.197   143.32
2042.85    0.196   144.41
2043.85    0.195   145.51
2044.85    0.193   146.62
2045.85    0.192   147.76
2046.85    0.190   148.91
2047.85    0.189   150.08
2048.85    0.187   151.26
2049.85    0.186   152.47
2050.85    0.184   153.70
2051.85    0.182   154.95
2052.85    0.181   156.23
2053.85    0.179   157.53
2054.85    0.177   158.85
2055.85    0.176   160.20
2056.85    0.174   161.58
2057.85    0.172   162.98
2058.85    0.170   164.42
2059.85    0.169   165.88
2060.85    0.167   167.37
2061.85    0.165   168.89
2062.85    0.164   170.44
2063.85    0.162   172.03
2064.85    0.160   173.65
2065.85    0.159   175.30
2066.85    0.157   176.98
2067.85    0.156   178.69
2068.85    0.154   180.44
2069.85    0.153   182.22
2070.85    0.152   184.04
2071.85    0.150   185.88
2072.85    0.149   187.76
2073.85    0.148   189.67
2074.85    0.147   191.60
2075.85    0.146   193.57
2076.85    0.145   195.56
2077.85    0.144   197.58
2078.85    0.143   199.63
2079.85    0.142   201.70
2080.85    0.141   203.79
2081.85    0.141   205.90
2082.85    0.140   208.02
2083.85    0.140   210.16
2084.85    0.139   212.32
2085.85    0.139   214.48

Disclaimer

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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 18:51:32