Double Star Calculator - Orbit

Orbital Elements for RST4800

WDS:	RST4800	WDS ID/Discoverer
P:	174.000	Orbital period (years)
a:	0.275	Semi-major axis (arcseconds)
i:	131.3	Inclination (degrees)
Ω:	191.0	Longitude of ascending node (degrees)
T:	2002.900	Epoch of periastron passage (year)
e:	0.505	Eccentricity
ω:	248.4	Longitude of periastron (degrees)
Start-Year:	1938.0	Year
End-Year:	2112.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4800
Position:	061214.17-364522.8	Epoch-2000 right ascension and declination
WDS-ID:	06122-3645	WDS designation
Discoverer Code:	RST4800	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	43011	HD catalog number
Hipparcos number:	29443	Hipparcos catalog number
V1:	9.90	Magnitude of the primary
V2:	10.26	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2013	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2014a	Reference

Double Star Orbit for RST4800

WDS 6th Orbit including measures of RST4800

-- 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 RST4800

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.244   193.09
--------------------------
1938.00    0.261   106.45
1939.00    0.259   105.13
1940.00    0.258   103.80
1941.00    0.256   102.45
1942.00    0.255   101.08
1943.00    0.254    99.71
1944.00    0.252    98.31
1945.00    0.251    96.90
1946.00    0.250    95.48
1947.00    0.248    94.04
1948.00    0.247    92.59
1949.00    0.246    91.12
1950.00    0.245    89.64
1951.00    0.243    88.14
1952.00    0.242    86.63
1953.00    0.241    85.10
1954.00    0.240    83.56
1955.00    0.239    82.01
1956.00    0.238    80.44
1957.00    0.237    78.87
1958.00    0.236    77.27
1959.00    0.235    75.67
1960.00    0.234    74.05
1961.00    0.233    72.42
1962.00    0.232    70.77
1963.00    0.232    69.12
1964.00    0.231    67.45
1965.00    0.230    65.77
1966.00    0.229    64.07
1967.00    0.228    62.36
1968.00    0.227    60.64
1969.00    0.226    58.91
1970.00    0.225    57.16
1971.00    0.224    55.39
1972.00    0.223    53.61
1973.00    0.222    51.82
1974.00    0.221    50.00
1975.00    0.220    48.17
1976.00    0.219    46.31
1977.00    0.217    44.43
1978.00    0.216    42.53
1979.00    0.214    40.60
1980.00    0.212    38.63
1981.00    0.210    36.64
1982.00    0.208    34.60
1983.00    0.206    32.52
1984.00    0.203    30.39
1985.00    0.200    28.20
1986.00    0.197    25.94
1987.00    0.194    23.62
1988.00    0.190    21.20
1989.00    0.186    18.68
1990.00    0.182    16.05
1991.00    0.177    13.28
1992.00    0.172    10.34
1993.00    0.166     7.21
1994.00    0.160     3.84
1995.00    0.153     0.20
1996.00    0.146   356.21
1997.00    0.139   351.81
1998.00    0.131   346.91
1999.00    0.123   341.40
2000.00    0.116   335.16
2001.00    0.109   328.07
2002.00    0.102   320.03
2003.00    0.097   311.02
2004.00    0.093   301.13
2005.00    0.092   290.67
2006.00    0.092   280.07
2007.00    0.095   269.83
2008.00    0.099   260.34
2009.00    0.106   251.83
2010.00    0.113   244.34
2011.00    0.121   237.82
2012.00    0.130   232.15
2013.00    0.139   227.21
2014.00    0.148   222.87
2015.00    0.157   219.04
2016.00    0.166   215.62
2017.00    0.175   212.55
2018.00    0.183   209.76
2019.00    0.192   207.23
2020.00    0.199   204.89
2021.00    0.207   202.74
2022.00    0.214   200.73
2023.00    0.221   198.85
2024.00    0.228   197.09
2025.00    0.235   195.43
2026.00    0.241   193.85
2027.00    0.246   192.34
2028.00    0.252   190.91
2029.00    0.257   189.54
2030.00    0.262   188.21
2031.00    0.267   186.94
2032.00    0.271   185.71
2033.00    0.276   184.52
2034.00    0.280   183.36
2035.00    0.283   182.24
2036.00    0.287   181.14
2037.00    0.290   180.07
2038.00    0.293   179.03
2039.00    0.296   178.00
2040.00    0.299   177.00
2041.00    0.302   176.01
2042.00    0.304   175.04
2043.00    0.306   174.08
2044.00    0.309   173.14
2045.00    0.310   172.21
2046.00    0.312   171.29
2047.00    0.314   170.38
2048.00    0.315   169.48
2049.00    0.317   168.59
2050.00    0.318   167.70
2051.00    0.319   166.82
2052.00    0.320   165.95
2053.00    0.321   165.08
2054.00    0.321   164.22
2055.00    0.322   163.36
2056.00    0.323   162.50
2057.00    0.323   161.64
2058.00    0.323   160.79
2059.00    0.323   159.94
2060.00    0.324   159.08
2061.00    0.324   158.23
2062.00    0.323   157.38
2063.00    0.323   156.53
2064.00    0.323   155.68
2065.00    0.323   154.82
2066.00    0.322   153.96
2067.00    0.322   153.11
2068.00    0.321   152.24
2069.00    0.321   151.38
2070.00    0.320   150.51
2071.00    0.319   149.64
2072.00    0.318   148.76
2073.00    0.318   147.88
2074.00    0.317   146.99
2075.00    0.316   146.10
2076.00    0.315   145.20
2077.00    0.314   144.30
2078.00    0.312   143.39
2079.00    0.311   142.48
2080.00    0.310   141.55
2081.00    0.309   140.62
2082.00    0.308   139.68
2083.00    0.306   138.74
2084.00    0.305   137.78
2085.00    0.303   136.82
2086.00    0.302   135.84
2087.00    0.301   134.86
2088.00    0.299   133.87
2089.00    0.298   132.87
2090.00    0.296   131.86
2091.00    0.294   130.83
2092.00    0.293   129.80
2093.00    0.291   128.76
2094.00    0.290   127.70
2095.00    0.288   126.63
2096.00    0.286   125.55
2097.00    0.285   124.46
2098.00    0.283   123.36
2099.00    0.282   122.24
2100.00    0.280   121.11
2101.00    0.278   119.96
2102.00    0.277   118.81
2103.00    0.275   117.64
2104.00    0.273   116.45
2105.00    0.272   115.25
2106.00    0.270   114.04
2107.00    0.269   112.81
2108.00    0.267   111.57
2109.00    0.265   110.31
2110.00    0.264   109.04
2111.00    0.262   107.75

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 15:44:40