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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:14:00

Orbital Elements for I345AB
WDS: I345AB WDS ID/Discoverer
P: 123.200 Orbital period (years)
a: 0.287 Semi-major axis (arcseconds)
i: 124.8 Inclination (degrees)
Ω: 30.5 Longitude of ascending node (degrees)
T: 1995.500 Epoch of periastron passage (year)
e: 0.692 Eccentricity
ω: 47.8 Longitude of periastron (degrees)
Start-Year: 1964.0 Year
End-Year: 2086.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I345AB
Position: 052446.29-521858.2 Epoch-2000 right ascension and declination
WDS-ID: 05248-5219 WDS designation
Discoverer Code: I345AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 35860 HD catalog number
Hipparcos number: 25303 Hipparcos catalog number
V1: 6.76 Magnitude of the primary
V2: 7.40 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for I345AB



WDS 6th Orbit including measures of I345AB

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


Ephemeris of I345AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.371    198.6
-------------------------
1964.0     0.248    148.6
1965.0     0.242    147.0
1966.0     0.235    145.2
1967.0     0.229    143.4
1968.0     0.223    141.5
1969.0     0.217    139.4
1970.0     0.211    137.3
1971.0     0.205    135.0
1972.0     0.199    132.6
1973.0     0.193    130.0
1974.0     0.188    127.2
1975.0     0.182    124.3
1976.0     0.176    121.2
1977.0     0.171    118.0
1978.0     0.166    114.5
1979.0     0.161    110.8
1980.0     0.156    106.8
1981.0     0.152    102.7
1982.0     0.148     98.3
1983.0     0.144     93.6
1984.0     0.141     88.7
1985.0     0.138     83.6
1986.0     0.135     78.3
1987.0     0.132     72.7
1988.0     0.129     66.9
1989.0     0.126     60.9
1990.0     0.123     54.5
1991.0     0.118     47.7
1992.0     0.112     40.2
1993.0     0.103     31.7
1994.0     0.092     21.3
1995.0     0.078      7.4
1996.0     0.063    347.1
1997.0     0.056    318.1
1998.0     0.060    287.2
1999.0     0.075    264.8
2000.0     0.094    250.7
2001.0     0.114    241.5
2002.0     0.134    235.0
2003.0     0.153    230.2
2004.0     0.171    226.4
2005.0     0.188    223.3
2006.0     0.204    220.7
2007.0     0.218    218.5
2008.0     0.232    216.6
2009.0     0.245    214.8
2010.0     0.257    213.2
2011.0     0.269    211.8
2012.0     0.279    210.5
2013.0     0.290    209.3
2014.0     0.299    208.1
2015.0     0.308    207.1
2016.0     0.316    206.0
2017.0     0.324    205.1
2018.0     0.331    204.1
2019.0     0.338    203.3
2020.0     0.345    202.4
2021.0     0.351    201.6
2022.0     0.357    200.8
2023.0     0.362    200.0
2024.0     0.367    199.3
2025.0     0.371    198.6
2026.0     0.376    197.8
2027.0     0.380    197.1
2028.0     0.383    196.5
2029.0     0.386    195.8
2030.0     0.389    195.1
2031.0     0.392    194.5
2032.0     0.395    193.9
2033.0     0.397    193.2
2034.0     0.399    192.6
2035.0     0.401    192.0
2036.0     0.402    191.4
2037.0     0.403    190.7
2038.0     0.404    190.1
2039.0     0.405    189.5
2040.0     0.406    188.9
2041.0     0.406    188.3
2042.0     0.406    187.7
2043.0     0.406    187.1
2044.0     0.406    186.5
2045.0     0.405    185.9
2046.0     0.405    185.3
2047.0     0.404    184.7
2048.0     0.403    184.1
2049.0     0.402    183.5
2050.0     0.400    182.9
2051.0     0.399    182.2
2052.0     0.397    181.6
2053.0     0.395    181.0
2054.0     0.393    180.3
2055.0     0.391    179.7
2056.0     0.388    179.0
2057.0     0.386    178.4
2058.0     0.383    177.7
2059.0     0.380    177.0
2060.0     0.377    176.3
2061.0     0.374    175.6
2062.0     0.371    174.9
2063.0     0.367    174.2
2064.0     0.364    173.4
2065.0     0.360    172.7
2066.0     0.356    171.9
2067.0     0.352    171.1
2068.0     0.348    170.3
2069.0     0.344    169.5
2070.0     0.339    168.6
2071.0     0.335    167.8
2072.0     0.330    166.9
2073.0     0.326    165.9
2074.0     0.321    165.0
2075.0     0.316    164.0
2076.0     0.311    163.0
2077.0     0.305    162.0
2078.0     0.300    160.9
2079.0     0.295    159.8
2080.0     0.289    158.6
2081.0     0.284    157.4
2082.0     0.278    156.1
2083.0     0.272    154.8
2084.0     0.267    153.5
2085.0     0.261    152.0






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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