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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:11:00

Orbital Elements for AGC4
WDS: AGC4 WDS ID/Discoverer
P: 1137.488 Orbital period (years)
a: 3.45104 Semi-major axis (arcseconds)
i: 98.42 Inclination (degrees)
Ω: 66.554 Longitude of ascending node (degrees)
T: 1838.775 Epoch of periastron passage (year)
e: 0.87741 Eccentricity
ω: 112.884 Longitude of periastron (degrees)
Start-Year: 1457.0 Year
End-Year: 2593.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for AGC4
Position: 122645.88-001059.9 Epoch-2000 right ascension and declination
WDS-ID: 12268-0011 WDS designation
Discoverer Code: AGC4 Discover designation and components
ADS number: 8550 Aitken Double Star catalog
HD number: 108318 HD catalog number
Hipparcos number: 60726 Hipparcos catalog number
V1: 7.95 Magnitude of the primary
V2: 10.04 Magnitude of the secondary
Equinox: Equinox
Date: 1995 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for AGC4



WDS 6th Orbit including measures of AGC4

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


Ephemeris of AGC4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.645    146.6
-------------------------
1457.0     3.216     80.1
1467.0     3.230     79.8
1477.0     3.243     79.6
1487.0     3.253     79.3
1497.0     3.262     79.1
1507.0     3.268     78.8
1517.0     3.273     78.6
1527.0     3.275     78.3
1537.0     3.275     78.1
1547.0     3.272     77.8
1557.0     3.267     77.6
1567.0     3.259     77.3
1577.0     3.249     77.1
1587.0     3.235     76.8
1597.0     3.219     76.6
1607.0     3.199     76.3
1617.0     3.176     76.1
1627.0     3.149     75.8
1637.0     3.119     75.5
1647.0     3.084     75.2
1657.0     3.045     75.0
1667.0     3.001     74.7
1677.0     2.951     74.4
1687.0     2.896     74.1
1697.0     2.835     73.7
1707.0     2.767     73.4
1717.0     2.692     73.0
1727.0     2.607     72.7
1737.0     2.513     72.3
1747.0     2.408     71.8
1757.0     2.290     71.4
1767.0     2.156     70.8
1777.0     2.003     70.2
1787.0     1.825     69.5
1797.0     1.616     68.6
1807.0     1.362     67.4
1817.0     1.041     65.5
1827.0     0.604     61.5
1837.0     0.074    304.6
1847.0     0.585    246.7
1857.0     0.787    241.3
1867.0     0.857    237.4
1877.0     0.873    233.9
1887.0     0.862    230.4
1897.0     0.837    226.7
1907.0     0.804    222.8
1917.0     0.767    218.5
1927.0     0.729    213.8
1937.0     0.692    208.5
1947.0     0.658    202.7
1957.0     0.629    196.3
1967.0     0.606    189.3
1977.0     0.591    181.9
1987.0     0.585    174.2
1997.0     0.588    166.5
2007.0     0.601    159.0
2017.0     0.622    151.9
2027.0     0.651    145.3
2037.0     0.687    139.4
2047.0     0.728    134.1
2057.0     0.774    129.4
2067.0     0.824    125.2
2077.0     0.877    121.6
2087.0     0.932    118.3
2097.0     0.988    115.5
2107.0     1.046    112.9
2117.0     1.105    110.6
2127.0     1.165    108.5
2137.0     1.225    106.7
2147.0     1.285    105.0
2157.0     1.345    103.5
2167.0     1.405    102.1
2177.0     1.465    100.8
2187.0     1.525     99.6
2197.0     1.584     98.5
2207.0     1.643     97.5
2217.0     1.702     96.5
2227.0     1.760     95.7
2237.0     1.817     94.8
2247.0     1.873     94.0
2257.0     1.929     93.3
2267.0     1.984     92.6
2277.0     2.039     92.0
2287.0     2.093     91.3
2297.0     2.145     90.8
2307.0     2.197     90.2
2317.0     2.248     89.7
2327.0     2.299     89.1
2337.0     2.348     88.7
2347.0     2.396     88.2
2357.0     2.443     87.7
2367.0     2.490     87.3
2377.0     2.535     86.9
2387.0     2.579     86.5
2397.0     2.623     86.1
2407.0     2.665     85.7
2417.0     2.706     85.3
2427.0     2.745     85.0
2437.0     2.784     84.6
2447.0     2.822     84.3
2457.0     2.858     84.0
2467.0     2.893     83.7
2477.0     2.927     83.3
2487.0     2.959     83.0
2497.0     2.990     82.7
2507.0     3.020     82.4
2517.0     3.048     82.2
2527.0     3.075     81.9
2537.0     3.101     81.6
2547.0     3.125     81.3
2557.0     3.147     81.0
2567.0     3.168     80.8
2577.0     3.187     80.5
2587.0     3.204     80.3






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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