Double Star Calculator - Orbit

Orbital Elements for RST2347

WDS:	RST2347	WDS ID/Discoverer
P:	122.900	Orbital period (years)
a:	0.1734	Semi-major axis (arcseconds)
i:	129.4	Inclination (degrees)
Ω:	163.5	Longitude of ascending node (degrees)
T:	2010.870	Epoch of periastron passage (year)
e:	0.523	Eccentricity
ω:	339.7	Longitude of periastron (degrees)
Start-Year:	1963.55	Year
End-Year:	2086.45	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST2347
Position:	043148.42-240636.8	Epoch-2000 right ascension and declination
WDS-ID:	04318-2407	WDS designation
Discoverer Code:	RST2347	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	28845	HD catalog number
Hipparcos number:	21133	Hipparcos catalog number
V1:	8.6	Magnitude of the primary
V2:	8.8	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Tok2020e	Reference

Double Star Orbit for RST2347

WDS 6th Orbit including measures of RST2347

-- 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 RST2347

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.095    77.94
--------------------------
1963.55    0.253   346.48
1964.55    0.252   345.73
1965.55    0.251   344.98
1966.55    0.249   344.21
1967.55    0.247   343.44
1968.55    0.245   342.65
1969.55    0.243   341.85
1970.55    0.241   341.04
1971.55    0.238   340.20
1972.55    0.235   339.35
1973.55    0.232   338.48
1974.55    0.229   337.59
1975.55    0.226   336.67
1976.55    0.222   335.72
1977.55    0.219   334.74
1978.55    0.215   333.73
1979.55    0.211   332.68
1980.55    0.206   331.58
1981.55    0.202   330.44
1982.55    0.197   329.24
1983.55    0.192   327.98
1984.55    0.187   326.66
1985.55    0.182   325.26
1986.55    0.176   323.76
1987.55    0.170   322.17
1988.55    0.164   320.46
1989.55    0.158   318.62
1990.55    0.151   316.62
1991.55    0.144   314.44
1992.55    0.138   312.05
1993.55    0.131   309.40
1994.55    0.123   306.44
1995.55    0.116   303.11
1996.55    0.109   299.34
1997.55    0.101   295.01
1998.55    0.094   290.03
1999.55    0.087   284.23
2000.55    0.081   277.48
2001.55    0.075   269.62
2002.55    0.070   260.57
2003.55    0.067   250.39
2004.55    0.065   239.34
2005.55    0.064   227.88
2006.55    0.066   216.57
2007.55    0.068   205.89
2008.55    0.071   196.09
2009.55    0.075   187.21
2010.55    0.079   179.15
2011.55    0.082   171.74
2012.55    0.084   164.82
2013.55    0.086   158.23
2014.55    0.087   151.83
2015.55    0.087   145.53
2016.55    0.087   139.24
2017.55    0.087   132.93
2018.55    0.086   126.56
2019.55    0.086   120.14
2020.55    0.086   113.71
2021.55    0.086   107.29
2022.55    0.087   100.97
2023.55    0.088    94.78
2024.55    0.090    88.81
2025.55    0.092    83.09
2026.55    0.095    77.67
2027.55    0.098    72.58
2028.55    0.102    67.81
2029.55    0.106    63.37
2030.55    0.110    59.26
2031.55    0.114    55.44
2032.55    0.118    51.91
2033.55    0.123    48.63
2034.55    0.128    45.60
2035.55    0.132    42.78
2036.55    0.137    40.16
2037.55    0.142    37.71
2038.55    0.147    35.43
2039.55    0.152    33.29
2040.55    0.156    31.28
2041.55    0.161    29.39
2042.55    0.166    27.61
2043.55    0.170    25.93
2044.55    0.175    24.33
2045.55    0.179    22.81
2046.55    0.184    21.36
2047.55    0.188    19.99
2048.55    0.192    18.67
2049.55    0.196    17.40
2050.55    0.200    16.19
2051.55    0.204    15.02
2052.55    0.208    13.89
2053.55    0.211    12.81
2054.55    0.215    11.76
2055.55    0.218    10.74
2056.55    0.221     9.75
2057.55    0.224     8.79
2058.55    0.227     7.86
2059.55    0.230     6.95
2060.55    0.233     6.06
2061.55    0.235     5.19
2062.55    0.238     4.34
2063.55    0.240     3.50
2064.55    0.242     2.68
2065.55    0.244     1.88
2066.55    0.246     1.09
2067.55    0.248     0.31
2068.55    0.250   359.54
2069.55    0.251   358.78
2070.55    0.252   358.03
2071.55    0.254   357.28
2072.55    0.255   356.54
2073.55    0.256   355.81
2074.55    0.256   355.08
2075.55    0.257   354.36
2076.55    0.257   353.64
2077.55    0.258   352.92
2078.55    0.258   352.20
2079.55    0.258   351.49
2080.55    0.258   350.77
2081.55    0.257   350.05
2082.55    0.257   349.33
2083.55    0.256   348.60
2084.55    0.255   347.88
2085.55    0.254   347.14

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 15:25:52