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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:22:42

Orbital Elements for I1444

WDS:	I1444	WDS ID/Discoverer
P:	169.000	Orbital period (years)
a:	0.308	Semi-major axis (arcseconds)
i:	160.0	Inclination (degrees)
Ω:	125.0	Longitude of ascending node (degrees)
T:	2037.050	Epoch of periastron passage (year)
e:	0.365	Eccentricity
ω:	68.4	Longitude of periastron (degrees)
Start-Year:	1941.0	Year
End-Year:	2109.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1444

Position:	213624.11-404046.6	Epoch-2000 right ascension and declination
WDS-ID:	21364-4041	WDS designation
Discoverer Code:	I1444	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	205429	HD catalog number
Hipparcos number:	106676	Hipparcos catalog number
V1:	9.42	Magnitude of the primary
V2:	9.46	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for I1444

WDS 6th Orbit including measures of I1444

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

Ephemeris of I1444

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.220    112.0
-------------------------
1941.0     0.398    250.7
1942.0     0.398    249.6
1943.0     0.399    248.4
1944.0     0.399    247.3
1945.0     0.399    246.2
1946.0     0.399    245.1
1947.0     0.399    244.0
1948.0     0.399    242.9
1949.0     0.399    241.8
1950.0     0.399    240.7
1951.0     0.399    239.6
1952.0     0.399    238.5
1953.0     0.398    237.3
1954.0     0.398    236.2
1955.0     0.398    235.1
1956.0     0.397    234.0
1957.0     0.396    232.9
1958.0     0.396    231.7
1959.0     0.395    230.6
1960.0     0.394    229.5
1961.0     0.393    228.3
1962.0     0.393    227.2
1963.0     0.392    226.0
1964.0     0.391    224.9
1965.0     0.390    223.7
1966.0     0.388    222.6
1967.0     0.387    221.4
1968.0     0.386    220.2
1969.0     0.385    219.0
1970.0     0.383    217.8
1971.0     0.382    216.6
1972.0     0.380    215.4
1973.0     0.379    214.2
1974.0     0.377    212.9
1975.0     0.375    211.7
1976.0     0.374    210.4
1977.0     0.372    209.1
1978.0     0.370    207.9
1979.0     0.368    206.6
1980.0     0.366    205.2
1981.0     0.364    203.9
1982.0     0.362    202.6
1983.0     0.360    201.2
1984.0     0.358    199.8
1985.0     0.355    198.5
1986.0     0.353    197.0
1987.0     0.351    195.6
1988.0     0.348    194.2
1989.0     0.346    192.7
1990.0     0.343    191.2
1991.0     0.341    189.7
1992.0     0.338    188.2
1993.0     0.335    186.6
1994.0     0.333    185.0
1995.0     0.330    183.4
1996.0     0.327    181.8
1997.0     0.324    180.1
1998.0     0.321    178.4
1999.0     0.318    176.7
2000.0     0.315    174.9
2001.0     0.312    173.1
2002.0     0.308    171.2
2003.0     0.305    169.4
2004.0     0.302    167.4
2005.0     0.298    165.5
2006.0     0.295    163.5
2007.0     0.291    161.4
2008.0     0.288    159.3
2009.0     0.284    157.1
2010.0     0.280    154.9
2011.0     0.276    152.6
2012.0     0.273    150.3
2013.0     0.269    147.9
2014.0     0.265    145.4
2015.0     0.261    142.8
2016.0     0.257    140.2
2017.0     0.253    137.5
2018.0     0.249    134.6
2019.0     0.244    131.7
2020.0     0.240    128.7
2021.0     0.236    125.6
2022.0     0.232    122.4
2023.0     0.228    119.0
2024.0     0.224    115.6
2025.0     0.220    112.0
2026.0     0.216    108.2
2027.0     0.212    104.4
2028.0     0.208    100.3
2029.0     0.204     96.2
2030.0     0.201     91.9
2031.0     0.198     87.4
2032.0     0.195     82.8
2033.0     0.192     78.1
2034.0     0.190     73.2
2035.0     0.188     68.3
2036.0     0.186     63.2
2037.0     0.185     58.1
2038.0     0.185     52.9
2039.0     0.185     47.8
2040.0     0.186     42.6
2041.0     0.187     37.5
2042.0     0.188     32.5
2043.0     0.190     27.5
2044.0     0.193     22.7
2045.0     0.196     18.0
2046.0     0.199     13.5
2047.0     0.203      9.1
2048.0     0.206      4.9
2049.0     0.211      0.8
2050.0     0.215    356.9
2051.0     0.220    353.1
2052.0     0.224    349.6
2053.0     0.229    346.1
2054.0     0.234    342.8
2055.0     0.239    339.7
2056.0     0.244    336.6
2057.0     0.249    333.7
2058.0     0.254    330.9
2059.0     0.259    328.3
2060.0     0.264    325.7
2061.0     0.269    323.2
2062.0     0.274    320.8
2063.0     0.279    318.5
2064.0     0.284    316.3
2065.0     0.288    314.1
2066.0     0.293    312.0
2067.0     0.297    310.0
2068.0     0.302    308.0
2069.0     0.306    306.1
2070.0     0.310    304.2
2071.0     0.314    302.4
2072.0     0.318    300.6
2073.0     0.322    298.9
2074.0     0.326    297.2
2075.0     0.330    295.6
2076.0     0.333    294.0
2077.0     0.337    292.4
2078.0     0.340    290.9
2079.0     0.343    289.3
2080.0     0.346    287.9
2081.0     0.349    286.4
2082.0     0.352    285.0
2083.0     0.355    283.5
2084.0     0.358    282.1
2085.0     0.361    280.8
2086.0     0.363    279.4
2087.0     0.366    278.1
2088.0     0.368    276.8
2089.0     0.370    275.5
2090.0     0.372    274.2
2091.0     0.374    272.9
2092.0     0.376    271.7
2093.0     0.378    270.4
2094.0     0.380    269.2
2095.0     0.382    268.0
2096.0     0.384    266.8
2097.0     0.385    265.6
2098.0     0.387    264.4
2099.0     0.388    263.2
2100.0     0.389    262.1
2101.0     0.390    260.9
2102.0     0.392    259.7
2103.0     0.393    258.6
2104.0     0.394    257.4
2105.0     0.395    256.3
2106.0     0.395    255.2
2107.0     0.396    254.0
2108.0     0.397    252.9

Disclaimer

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.