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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:58:55

Orbital Elements for A1835
WDS: A1835 WDS ID/Discoverer
P: 128.760 Orbital period (years)
a: 0.22 Semi-major axis (arcseconds)
i: 56.6 Inclination (degrees)
Ω: 76.8 Longitude of ascending node (degrees)
T: 1958.360 Epoch of periastron passage (year)
e: 0.532 Eccentricity
ω: 121.7 Longitude of periastron (degrees)
Start-Year: 1961.0 Year
End-Year: 2089.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1835
Position: 042134.17+065827.5 Epoch-2000 right ascension and declination
WDS-ID: 04216+0658 WDS designation
Discoverer Code: A1835 Discover designation and components
ADS number: 3151 Aitken Double Star catalog
HD number: 27597 HD catalog number
Hipparcos number: 20356 Hipparcos catalog number
V1: 8.74 Magnitude of the primary
V2: 9.81 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1996 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1835



WDS 6th Orbit including measures of A1835

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


Ephemeris of A1835
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.243     37.6
-------------------------
1961.0     0.097    238.8
1962.0     0.106    244.9
1963.0     0.114    250.2
1964.0     0.120    254.8
1965.0     0.126    258.9
1966.0     0.131    262.7
1967.0     0.135    266.3
1968.0     0.138    269.7
1969.0     0.140    273.0
1970.0     0.142    276.1
1971.0     0.143    279.2
1972.0     0.144    282.3
1973.0     0.145    285.3
1974.0     0.145    288.3
1975.0     0.146    291.3
1976.0     0.146    294.2
1977.0     0.146    297.2
1978.0     0.146    300.2
1979.0     0.146    303.1
1980.0     0.146    306.1
1981.0     0.146    309.1
1982.0     0.146    312.0
1983.0     0.146    315.0
1984.0     0.146    318.0
1985.0     0.147    320.9
1986.0     0.147    323.8
1987.0     0.148    326.7
1988.0     0.149    329.5
1989.0     0.150    332.4
1990.0     0.151    335.1
1991.0     0.153    337.9
1992.0     0.154    340.5
1993.0     0.156    343.2
1994.0     0.158    345.7
1995.0     0.160    348.2
1996.0     0.162    350.7
1997.0     0.164    353.0
1998.0     0.166    355.3
1999.0     0.169    357.6
2000.0     0.171    359.8
2001.0     0.174      1.9
2002.0     0.177      3.9
2003.0     0.179      5.9
2004.0     0.182      7.9
2005.0     0.185      9.7
2006.0     0.188     11.5
2007.0     0.191     13.3
2008.0     0.194     15.0
2009.0     0.197     16.6
2010.0     0.200     18.2
2011.0     0.203     19.8
2012.0     0.206     21.3
2013.0     0.209     22.8
2014.0     0.212     24.2
2015.0     0.215     25.6
2016.0     0.218     26.9
2017.0     0.221     28.2
2018.0     0.224     29.5
2019.0     0.227     30.7
2020.0     0.230     31.9
2021.0     0.233     33.1
2022.0     0.235     34.3
2023.0     0.238     35.4
2024.0     0.240     36.5
2025.0     0.243     37.6
2026.0     0.245     38.6
2027.0     0.248     39.7
2028.0     0.250     40.7
2029.0     0.252     41.7
2030.0     0.254     42.7
2031.0     0.256     43.6
2032.0     0.258     44.6
2033.0     0.260     45.5
2034.0     0.262     46.4
2035.0     0.263     47.4
2036.0     0.264     48.3
2037.0     0.266     49.2
2038.0     0.267     50.1
2039.0     0.268     50.9
2040.0     0.269     51.8
2041.0     0.269     52.7
2042.0     0.270     53.6
2043.0     0.270     54.4
2044.0     0.271     55.3
2045.0     0.271     56.1
2046.0     0.271     57.0
2047.0     0.270     57.9
2048.0     0.270     58.7
2049.0     0.269     59.6
2050.0     0.268     60.5
2051.0     0.267     61.3
2052.0     0.266     62.2
2053.0     0.265     63.1
2054.0     0.263     64.0
2055.0     0.261     65.0
2056.0     0.258     65.9
2057.0     0.256     66.8
2058.0     0.253     67.8
2059.0     0.250     68.8
2060.0     0.247     69.8
2061.0     0.243     70.9
2062.0     0.239     72.0
2063.0     0.234     73.1
2064.0     0.230     74.3
2065.0     0.225     75.5
2066.0     0.219     76.8
2067.0     0.213     78.1
2068.0     0.207     79.6
2069.0     0.200     81.1
2070.0     0.193     82.7
2071.0     0.185     84.5
2072.0     0.177     86.4
2073.0     0.168     88.6
2074.0     0.158     90.9
2075.0     0.149     93.6
2076.0     0.138     96.7
2077.0     0.127    100.3
2078.0     0.116    104.5
2079.0     0.105    109.7
2080.0     0.093    116.2
2081.0     0.082    124.5
2082.0     0.072    135.2
2083.0     0.064    148.9
2084.0     0.060    165.4
2085.0     0.060    183.2
2086.0     0.064    199.8
2087.0     0.071    213.6
2088.0     0.080    224.6






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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