Double Star Calculator - Orbit

Orbital Elements for RST4375

WDS:	RST4375	WDS ID/Discoverer
P:	114.500	Orbital period (years)
a:	0.247	Semi-major axis (arcseconds)
i:	110.9	Inclination (degrees)
Ω:	289.4	Longitude of ascending node (degrees)
T:	1999.780	Epoch of periastron passage (year)
e:	0.777	Eccentricity
ω:	68.7	Longitude of periastron (degrees)
Start-Year:	1967.75	Year
End-Year:	2082.25	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4375
Position:	074747.87-033146.7	Epoch-2000 right ascension and declination
WDS-ID:	07478-0332	WDS designation
Discoverer Code:	RST4375	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	63263	HD catalog number
Hipparcos number:	38039	Hipparcos catalog number
V1:	8.35	Magnitude of the primary
V2:	9.26	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	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:	Tok2021f	Reference

Double Star Orbit for RST4375

WDS 6th Orbit including measures of RST4375

-- 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 RST4375

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.256    88.86
--------------------------
1967.75    0.137    30.10
1968.75    0.134    27.77
1969.75    0.132    25.33
1970.75    0.129    22.81
1971.75    0.127    20.19
1972.75    0.125    17.48
1973.75    0.123    14.67
1974.75    0.121    11.78
1975.75    0.120     8.81
1976.75    0.118     5.76
1977.75    0.117     2.64
1978.75    0.116   359.45
1979.75    0.115   356.21
1980.75    0.114   352.92
1981.75    0.114   349.59
1982.75    0.113   346.24
1983.75    0.113   342.86
1984.75    0.113   339.48
1985.75    0.113   336.08
1986.75    0.113   332.69
1987.75    0.113   329.29
1988.75    0.112   325.88
1989.75    0.112   322.46
1990.75    0.111   319.02
1991.75    0.110   315.52
1992.75    0.109   311.94
1993.75    0.106   308.22
1994.75    0.102   304.26
1995.75    0.096   299.91
1996.75    0.087   294.84
1997.75    0.074   288.25
1998.75    0.054   277.59
1999.75    0.028   248.66
2000.75    0.026   162.41
2001.75    0.053   130.44
2002.75    0.080   120.39
2003.75    0.102   115.15
2004.75    0.122   111.70
2005.75    0.138   109.15
2006.75    0.152   107.10
2007.75    0.165   105.39
2008.75    0.176   103.91
2009.75    0.186   102.60
2010.75    0.195   101.41
2011.75    0.203   100.32
2012.75    0.210    99.31
2013.75    0.216    98.36
2014.75    0.222    97.46
2015.75    0.227    96.60
2016.75    0.232    95.78
2017.75    0.236    94.99
2018.75    0.239    94.23
2019.75    0.243    93.49
2020.75    0.246    92.77
2021.75    0.248    92.06
2022.75    0.250    91.37
2023.75    0.252    90.69
2024.75    0.254    90.02
2025.75    0.256    89.35
2026.75    0.257    88.70
2027.75    0.258    88.04
2028.75    0.258    87.40
2029.75    0.259    86.75
2030.75    0.259    86.11
2031.75    0.259    85.47
2032.75    0.259    84.83
2033.75    0.259    84.18
2034.75    0.258    83.54
2035.75    0.258    82.89
2036.75    0.257    82.24
2037.75    0.256    81.59
2038.75    0.255    80.92
2039.75    0.254    80.26
2040.75    0.252    79.59
2041.75    0.251    78.91
2042.75    0.249    78.22
2043.75    0.248    77.52
2044.75    0.246    76.81
2045.75    0.244    76.09
2046.75    0.242    75.36
2047.75    0.240    74.62
2048.75    0.238    73.86
2049.75    0.235    73.09
2050.75    0.233    72.31
2051.75    0.230    71.50
2052.75    0.228    70.68
2053.75    0.225    69.84
2054.75    0.223    68.98
2055.75    0.220    68.10
2056.75    0.217    67.20
2057.75    0.214    66.27
2058.75    0.211    65.32
2059.75    0.208    64.34
2060.75    0.205    63.33
2061.75    0.202    62.29
2062.75    0.199    61.21
2063.75    0.196    60.11
2064.75    0.192    58.96
2065.75    0.189    57.78
2066.75    0.186    56.55
2067.75    0.183    55.28
2068.75    0.179    53.97
2069.75    0.176    52.60
2070.75    0.173    51.19
2071.75    0.169    49.71
2072.75    0.166    48.18
2073.75    0.163    46.59
2074.75    0.160    44.94
2075.75    0.156    43.21
2076.75    0.153    41.41
2077.75    0.150    39.54
2078.75    0.147    37.59
2079.75    0.144    35.56
2080.75    0.141    33.44
2081.75    0.138    31.24

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 16:01:46