Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:53:35

Orbital Elements for I202
WDS: I202 WDS ID/Discoverer
P: 163.690 Orbital period (years)
a: 0.932 Semi-major axis (arcseconds)
i: 111.4 Inclination (degrees)
Ω: 178.6 Longitude of ascending node (degrees)
T: 2005.490 Epoch of periastron passage (year)
e: 0.414 Eccentricity
ω: 203.4 Longitude of periastron (degrees)
Start-Year: 1944.0 Year
End-Year: 2106.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I202
Position: 093840.71-393650.9 Epoch-2000 right ascension and declination
WDS-ID: 09387-3937 WDS designation
Discoverer Code: I202 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 83610 HD catalog number
Hipparcos number: 47328 Hipparcos catalog number
V1: 7.02 Magnitude of the primary
V2: 8.37 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I202



WDS 6th Orbit including measures of I202

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of I202
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.386    220.7
-------------------------
1944.0     0.955    158.9
1945.0     0.936    158.2
1946.0     0.918    157.5
1947.0     0.898    156.7
1948.0     0.879    155.9
1949.0     0.859    155.1
1950.0     0.838    154.2
1951.0     0.818    153.3
1952.0     0.797    152.3
1953.0     0.775    151.3
1954.0     0.754    150.2
1955.0     0.732    149.0
1956.0     0.710    147.8
1957.0     0.687    146.5
1958.0     0.665    145.1
1959.0     0.642    143.6
1960.0     0.620    142.0
1961.0     0.597    140.3
1962.0     0.575    138.5
1963.0     0.552    136.5
1964.0     0.530    134.3
1965.0     0.508    131.9
1966.0     0.487    129.4
1967.0     0.466    126.6
1968.0     0.446    123.5
1969.0     0.427    120.2
1970.0     0.409    116.5
1971.0     0.392    112.6
1972.0     0.377    108.3
1973.0     0.363    103.6
1974.0     0.352     98.7
1975.0     0.343     93.4
1976.0     0.337     87.9
1977.0     0.333     82.2
1978.0     0.332     76.5
1979.0     0.334     70.7
1980.0     0.338     65.1
1981.0     0.345     59.7
1982.0     0.355     54.5
1983.0     0.366     49.6
1984.0     0.379     45.0
1985.0     0.393     40.8
1986.0     0.409     36.8
1987.0     0.425     33.2
1988.0     0.442     29.8
1989.0     0.458     26.7
1990.0     0.475     23.7
1991.0     0.490     21.0
1992.0     0.506     18.5
1993.0     0.520     16.0
1994.0     0.532     13.7
1995.0     0.543     11.6
1996.0     0.553      9.4
1997.0     0.560      7.4
1998.0     0.564      5.4
1999.0     0.566      3.4
2000.0     0.566      1.4
2001.0     0.562    359.4
2002.0     0.555    357.4
2003.0     0.545    355.3
2004.0     0.532    353.1
2005.0     0.516    350.8
2006.0     0.497    348.3
2007.0     0.476    345.7
2008.0     0.452    342.7
2009.0     0.426    339.4
2010.0     0.399    335.7
2011.0     0.371    331.4
2012.0     0.344    326.5
2013.0     0.317    320.6
2014.0     0.292    313.7
2015.0     0.270    305.7
2016.0     0.254    296.4
2017.0     0.243    286.1
2018.0     0.240    275.1
2019.0     0.245    264.3
2020.0     0.257    254.1
2021.0     0.275    245.1
2022.0     0.298    237.4
2023.0     0.325    230.8
2024.0     0.355    225.3
2025.0     0.386    220.7
2026.0     0.418    216.7
2027.0     0.451    213.4
2028.0     0.485    210.5
2029.0     0.518    208.0
2030.0     0.551    205.7
2031.0     0.584    203.8
2032.0     0.616    202.0
2033.0     0.648    200.4
2034.0     0.679    199.0
2035.0     0.709    197.6
2036.0     0.739    196.4
2037.0     0.768    195.3
2038.0     0.796    194.3
2039.0     0.823    193.3
2040.0     0.849    192.4
2041.0     0.875    191.5
2042.0     0.900    190.7
2043.0     0.924    190.0
2044.0     0.947    189.3
2045.0     0.969    188.6
2046.0     0.991    187.9
2047.0     1.011    187.3
2048.0     1.031    186.7
2049.0     1.050    186.1
2050.0     1.068    185.5
2051.0     1.085    185.0
2052.0     1.102    184.4
2053.0     1.118    183.9
2054.0     1.133    183.4
2055.0     1.147    182.9
2056.0     1.160    182.4
2057.0     1.173    182.0
2058.0     1.185    181.5
2059.0     1.196    181.1
2060.0     1.206    180.6
2061.0     1.215    180.2
2062.0     1.224    179.8
2063.0     1.232    179.4
2064.0     1.240    178.9
2065.0     1.247    178.5
2066.0     1.253    178.1
2067.0     1.258    177.7
2068.0     1.262    177.3
2069.0     1.266    176.9
2070.0     1.270    176.5
2071.0     1.272    176.1
2072.0     1.274    175.7
2073.0     1.275    175.4
2074.0     1.276    175.0
2075.0     1.276    174.6
2076.0     1.275    174.2
2077.0     1.274    173.8
2078.0     1.272    173.4
2079.0     1.269    173.0
2080.0     1.266    172.6
2081.0     1.262    172.2
2082.0     1.258    171.8
2083.0     1.253    171.4
2084.0     1.247    171.0
2085.0     1.241    170.6
2086.0     1.234    170.2
2087.0     1.227    169.8
2088.0     1.219    169.3
2089.0     1.211    168.9
2090.0     1.202    168.5
2091.0     1.192    168.0
2092.0     1.182    167.6
2093.0     1.171    167.1
2094.0     1.160    166.7
2095.0     1.148    166.2
2096.0     1.136    165.7
2097.0     1.123    165.2
2098.0     1.110    164.7
2099.0     1.096    164.2
2100.0     1.081    163.6
2101.0     1.066    163.1
2102.0     1.051    162.5
2103.0     1.035    161.9
2104.0     1.019    161.3
2105.0     1.002    160.7



 

Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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