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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:15:55

Orbital Elements for I1477
WDS: I1477 WDS ID/Discoverer
P: 115.400 Orbital period (years)
a: 0.435 Semi-major axis (arcseconds)
i: 65.6 Inclination (degrees)
Ω: 147.5 Longitude of ascending node (degrees)
T: 2011.580 Epoch of periastron passage (year)
e: 0.717 Eccentricity
ω: 297.3 Longitude of periastron (degrees)
Start-Year: 1968.0 Year
End-Year: 2082.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1477
Position: 000019.10-441726.0 Epoch-2000 right ascension and declination
WDS-ID: 00003-4417 WDS designation
Discoverer Code: I1477 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 224750 HD catalog number
Hipparcos number: 25 Hipparcos catalog number
V1: 6.80 Magnitude of the primary
V2: 7.56 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I1477



WDS 6th Orbit including measures of I1477

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


Ephemeris of I1477
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.213    192.7
-------------------------
1968.0     0.498    299.6
1969.0     0.501    300.3
1970.0     0.503    301.0
1971.0     0.505    301.7
1972.0     0.507    302.3
1973.0     0.508    303.0
1974.0     0.509    303.7
1975.0     0.510    304.3
1976.0     0.510    305.0
1977.0     0.510    305.6
1978.0     0.510    306.3
1979.0     0.509    306.9
1980.0     0.508    307.6
1981.0     0.507    308.2
1982.0     0.505    308.9
1983.0     0.502    309.6
1984.0     0.499    310.3
1985.0     0.496    310.9
1986.0     0.492    311.6
1987.0     0.488    312.3
1988.0     0.482    313.1
1989.0     0.477    313.8
1990.0     0.470    314.6
1991.0     0.463    315.3
1992.0     0.455    316.2
1993.0     0.447    317.0
1994.0     0.437    317.9
1995.0     0.427    318.8
1996.0     0.415    319.7
1997.0     0.403    320.7
1998.0     0.389    321.8
1999.0     0.373    323.0
2000.0     0.357    324.3
2001.0     0.338    325.7
2002.0     0.318    327.3
2003.0     0.296    329.1
2004.0     0.271    331.2
2005.0     0.243    333.8
2006.0     0.212    337.1
2007.0     0.178    341.6
2008.0     0.140    348.4
2009.0     0.099      0.7
2010.0     0.063     28.9
2011.0     0.057     84.2
2012.0     0.087    120.2
2013.0     0.123    136.0
2014.0     0.151    145.0
2015.0     0.172    151.5
2016.0     0.186    156.8
2017.0     0.196    161.5
2018.0     0.202    165.8
2019.0     0.207    169.8
2020.0     0.209    173.8
2021.0     0.211    177.6
2022.0     0.212    181.4
2023.0     0.212    185.2
2024.0     0.213    188.9
2025.0     0.213    192.7
2026.0     0.213    196.5
2027.0     0.213    200.2
2028.0     0.214    203.9
2029.0     0.215    207.6
2030.0     0.216    211.3
2031.0     0.218    214.9
2032.0     0.220    218.4
2033.0     0.223    221.9
2034.0     0.225    225.3
2035.0     0.229    228.6
2036.0     0.233    231.8
2037.0     0.237    234.9
2038.0     0.241    237.9
2039.0     0.246    240.7
2040.0     0.251    243.5
2041.0     0.257    246.1
2042.0     0.262    248.6
2043.0     0.268    251.1
2044.0     0.274    253.4
2045.0     0.280    255.6
2046.0     0.287    257.7
2047.0     0.293    259.7
2048.0     0.300    261.7
2049.0     0.307    263.5
2050.0     0.314    265.3
2051.0     0.320    267.0
2052.0     0.327    268.6
2053.0     0.334    270.1
2054.0     0.341    271.6
2055.0     0.348    273.1
2056.0     0.355    274.4
2057.0     0.362    275.8
2058.0     0.368    277.0
2059.0     0.375    278.3
2060.0     0.382    279.5
2061.0     0.388    280.6
2062.0     0.395    281.7
2063.0     0.401    282.8
2064.0     0.408    283.8
2065.0     0.414    284.8
2066.0     0.420    285.8
2067.0     0.426    286.8
2068.0     0.432    287.7
2069.0     0.437    288.6
2070.0     0.443    289.5
2071.0     0.448    290.3
2072.0     0.453    291.2
2073.0     0.458    292.0
2074.0     0.463    292.8
2075.0     0.468    293.6
2076.0     0.472    294.3
2077.0     0.476    295.1
2078.0     0.480    295.8
2079.0     0.484    296.6
2080.0     0.488    297.3
2081.0     0.491    298.0






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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