Double Star Calculator - Orbit

Orbital Elements for HDS2716
WDS: HDS2716 WDS ID/Discoverer
P: 150.000 Orbital period (years)
a: 0.19 Semi-major axis (arcseconds)
i: 68.8 Inclination (degrees)
Ω: 97.6 Longitude of ascending node (degrees)
T: 2019.560 Epoch of periastron passage (year)
e: 0.94 Eccentricity
ω: 104.9 Longitude of periastron (degrees)
Start-Year: 1950.0 Year
End-Year: 2100.0 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HDS2716
Position: 190918.40+113736.5 Epoch-2000 right ascension and declination
WDS-ID: 19093+1138 WDS designation
Discoverer Code: HDS2716 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 178715 HD catalog number
Hipparcos number: 94098 Hipparcos catalog number
V1: 7.60 Magnitude of the primary
V2: 9.43 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HDS2716



WDS 6th Orbit including measures of HDS2716

-- 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 HDS2716
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.051   330.05
--------------------------
1950.00    0.163    46.17
1951.00    0.164    46.57
1952.00    0.164    46.97
1953.00    0.165    47.36
1954.00    0.165    47.76
1955.00    0.166    48.15
1956.00    0.166    48.54
1957.00    0.166    48.92
1958.00    0.166    49.31
1959.00    0.167    49.70
1960.00    0.167    50.08
1961.00    0.167    50.46
1962.00    0.167    50.85
1963.00    0.167    51.23
1964.00    0.167    51.61
1965.00    0.167    51.99
1966.00    0.167    52.37
1967.00    0.167    52.75
1968.00    0.167    53.14
1969.00    0.167    53.52
1970.00    0.167    53.90
1971.00    0.167    54.29
1972.00    0.166    54.67
1973.00    0.166    55.06
1974.00    0.166    55.45
1975.00    0.165    55.83
1976.00    0.165    56.23
1977.00    0.164    56.62
1978.00    0.164    57.02
1979.00    0.163    57.42
1980.00    0.163    57.82
1981.00    0.162    58.23
1982.00    0.161    58.64
1983.00    0.160    59.05
1984.00    0.159    59.47
1985.00    0.158    59.89
1986.00    0.157    60.32
1987.00    0.156    60.76
1988.00    0.155    61.20
1989.00    0.154    61.64
1990.00    0.153    62.10
1991.00    0.151    62.56
1992.00    0.150    63.03
1993.00    0.148    63.51
1994.00    0.147    64.01
1995.00    0.145    64.51
1996.00    0.143    65.03
1997.00    0.141    65.56
1998.00    0.139    66.10
1999.00    0.137    66.66
2000.00    0.135    67.24
2001.00    0.132    67.84
2002.00    0.130    68.47
2003.00    0.127    69.12
2004.00    0.124    69.80
2005.00    0.121    70.52
2006.00    0.117    71.27
2007.00    0.114    72.07
2008.00    0.110    72.92
2009.00    0.106    73.83
2010.00    0.102    74.82
2011.00    0.097    75.91
2012.00    0.092    77.11
2013.00    0.086    78.47
2014.00    0.079    80.03
2015.00    0.072    81.90
2016.00    0.064    84.22
2017.00    0.053    87.36
2018.00    0.040    92.34
2019.00    0.019   105.62
2020.00    0.017   277.01
2021.00    0.030   295.53
2022.00    0.036   305.15
2023.00    0.041   312.35
2024.00    0.044   318.30
2025.00    0.047   323.43
2026.00    0.050   327.97
2027.00    0.053   332.04
2028.00    0.055   335.72
2029.00    0.058   339.10
2030.00    0.060   342.20
2031.00    0.062   345.06
2032.00    0.065   347.72
2033.00    0.067   350.20
2034.00    0.069   352.51
2035.00    0.071   354.68
2036.00    0.073   356.72
2037.00    0.076   358.64
2038.00    0.078     0.46
2039.00    0.080     2.18
2040.00    0.082     3.81
2041.00    0.084     5.36
2042.00    0.086     6.83
2043.00    0.088     8.24
2044.00    0.090     9.58
2045.00    0.092    10.86
2046.00    0.094    12.09
2047.00    0.096    13.27
2048.00    0.098    14.40
2049.00    0.100    15.49
2050.00    0.102    16.54
2051.00    0.104    17.55
2052.00    0.106    18.53
2053.00    0.107    19.47
2054.00    0.109    20.39
2055.00    0.111    21.27
2056.00    0.113    22.12
2057.00    0.114    22.95
2058.00    0.116    23.76
2059.00    0.118    24.54
2060.00    0.119    25.30
2061.00    0.121    26.04
2062.00    0.123    26.76
2063.00    0.124    27.47
2064.00    0.126    28.15
2065.00    0.127    28.82
2066.00    0.129    29.48
2067.00    0.130    30.11
2068.00    0.132    30.74
2069.00    0.133    31.35
2070.00    0.134    31.95
2071.00    0.136    32.54
2072.00    0.137    33.11
2073.00    0.138    33.67
2074.00    0.140    34.23
2075.00    0.141    34.77
2076.00    0.142    35.31
2077.00    0.143    35.83
2078.00    0.144    36.35
2079.00    0.146    36.86
2080.00    0.147    37.36
2081.00    0.148    37.85
2082.00    0.149    38.33
2083.00    0.150    38.81
2084.00    0.151    39.29
2085.00    0.152    39.75
2086.00    0.153    40.21
2087.00    0.154    40.67
2088.00    0.155    41.12
2089.00    0.156    41.56
2090.00    0.156    42.00
2091.00    0.157    42.43
2092.00    0.158    42.86
2093.00    0.159    43.29
2094.00    0.160    43.71
2095.00    0.160    44.13
2096.00    0.161    44.54
2097.00    0.162    44.95
2098.00    0.162    45.36
2099.00    0.163    45.77



 

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 18:01:00


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