Double Star Calculator - Orbit

Orbital Elements for RST4855

WDS:	RST4855	WDS ID/Discoverer
P:	116.700	Orbital period (years)
a:	0.212	Semi-major axis (arcseconds)
i:	34.6	Inclination (degrees)
Ω:	168.8	Longitude of ascending node (degrees)
T:	1991.280	Epoch of periastron passage (year)
e:	0.832	Eccentricity
ω:	44.6	Longitude of periastron (degrees)
Start-Year:	1966.65	Year
End-Year:	2083.35	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4855
Position:	073222.28-355740.3	Epoch-2000 right ascension and declination
WDS-ID:	07324-3558	WDS designation
Discoverer Code:	RST4855	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	60312	HD catalog number
Hipparcos number:	36657	Hipparcos catalog number
V1:	6.7	Magnitude of the primary
V2:	7.8	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2013	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:	Tok2014a	Reference

Double Star Orbit for RST4855

WDS 6th Orbit including measures of RST4855

-- 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 RST4855

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.330    15.90
--------------------------
1966.65    0.253    49.50
1967.65    0.247    50.51
1968.65    0.241    51.58
1969.65    0.234    52.70
1970.65    0.228    53.89
1971.65    0.221    55.14
1972.65    0.214    56.48
1973.65    0.207    57.91
1974.65    0.199    59.44
1975.65    0.192    61.10
1976.65    0.184    62.90
1977.65    0.175    64.86
1978.65    0.167    67.02
1979.65    0.158    69.42
1980.65    0.149    72.11
1981.65    0.139    75.16
1982.65    0.130    78.67
1983.65    0.119    82.77
1984.65    0.109    87.64
1985.65    0.098    93.59
1986.65    0.087   101.07
1987.65    0.075   110.83
1988.65    0.063   124.23
1989.65    0.051   143.93
1990.65    0.039   175.96
1991.65    0.031   231.00
1992.65    0.041   283.66
1993.65    0.060   309.30
1994.65    0.079   322.62
1995.65    0.096   330.92
1996.65    0.113   336.73
1997.65    0.127   341.13
1998.65    0.141   344.65
1999.65    0.154   347.55
2000.65    0.166   350.02
2001.65    0.177   352.17
2002.65    0.188   354.06
2003.65    0.198   355.76
2004.65    0.208   357.30
2005.65    0.217   358.71
2006.65    0.225     0.01
2007.65    0.233     1.21
2008.65    0.241     2.34
2009.65    0.248     3.40
2010.65    0.255     4.40
2011.65    0.262     5.35
2012.65    0.268     6.25
2013.65    0.274     7.11
2014.65    0.280     7.93
2015.65    0.286     8.72
2016.65    0.291     9.48
2017.65    0.296    10.22
2018.65    0.301    10.93
2019.65    0.305    11.62
2020.65    0.309    12.29
2021.65    0.313    12.95
2022.65    0.317    13.58
2023.65    0.321    14.20
2024.65    0.324    14.81
2025.65    0.328    15.41
2026.65    0.331    15.99
2027.65    0.334    16.56
2028.65    0.336    17.13
2029.65    0.339    17.68
2030.65    0.341    18.23
2031.65    0.343    18.77
2032.65    0.345    19.31
2033.65    0.347    19.83
2034.65    0.349    20.36
2035.65    0.351    20.87
2036.65    0.352    21.39
2037.65    0.353    21.90
2038.65    0.354    22.40
2039.65    0.355    22.90
2040.65    0.356    23.41
2041.65    0.356    23.90
2042.65    0.357    24.40
2043.65    0.357    24.90
2044.65    0.357    25.39
2045.65    0.357    25.89
2046.65    0.357    26.39
2047.65    0.357    26.88
2048.65    0.357    27.38
2049.65    0.356    27.88
2050.65    0.355    28.38
2051.65    0.355    28.88
2052.65    0.354    29.38
2053.65    0.353    29.89
2054.65    0.351    30.40
2055.65    0.350    30.92
2056.65    0.348    31.44
2057.65    0.347    31.96
2058.65    0.345    32.49
2059.65    0.343    33.02
2060.65    0.341    33.57
2061.65    0.339    34.11
2062.65    0.336    34.67
2063.65    0.334    35.23
2064.65    0.331    35.81
2065.65    0.328    36.39
2066.65    0.325    36.98
2067.65    0.322    37.58
2068.65    0.319    38.20
2069.65    0.316    38.83
2070.65    0.312    39.47
2071.65    0.308    40.13
2072.65    0.305    40.80
2073.65    0.301    41.49
2074.65    0.296    42.20
2075.65    0.292    42.94
2076.65    0.288    43.69
2077.65    0.283    44.47
2078.65    0.278    45.27
2079.65    0.273    46.11
2080.65    0.268    46.97
2081.65    0.262    47.88
2082.65    0.257    48.82

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 15:58:25