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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:35:55

Orbital Elements for A2330
WDS: A2330 WDS ID/Discoverer
P: 1124.699 Orbital period (years)
a: 3.05697 Semi-major axis (arcseconds)
i: 75.868 Inclination (degrees)
Ω: 47.391 Longitude of ascending node (degrees)
T: 2087.303 Epoch of periastron passage (year)
e: 0.78777 Eccentricity
ω: 246.761 Longitude of periastron (degrees)
Start-Year: 1463.0 Year
End-Year: 2587.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2330
Position: 022822.85+172157.6 Epoch-2000 right ascension and declination
WDS-ID: 02284+1722 WDS designation
Discoverer Code: A2330 Discover designation and components
ADS number: 1874 Aitken Double Star catalog
HD number: 15327 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.38 Magnitude of the primary
V2: 9.56 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A2330



WDS 6th Orbit including measures of A2330

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


Ephemeris of A2330
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.203    211.2
-------------------------
1463.0     2.734     72.9
1473.0     2.696     73.5
1483.0     2.657     74.2
1493.0     2.617     74.8
1503.0     2.575     75.5
1513.0     2.533     76.2
1523.0     2.489     76.9
1533.0     2.445     77.6
1543.0     2.399     78.4
1553.0     2.353     79.2
1563.0     2.306     80.0
1573.0     2.258     80.9
1583.0     2.210     81.8
1593.0     2.160     82.7
1603.0     2.110     83.7
1613.0     2.060     84.7
1623.0     2.009     85.8
1633.0     1.958     87.0
1643.0     1.906     88.2
1653.0     1.855     89.4
1663.0     1.803     90.8
1673.0     1.750     92.2
1683.0     1.698     93.7
1693.0     1.647     95.3
1703.0     1.595     97.0
1713.0     1.544     98.9
1723.0     1.493    100.8
1733.0     1.444    102.9
1743.0     1.395    105.1
1753.0     1.347    107.5
1763.0     1.301    110.1
1773.0     1.257    112.9
1783.0     1.214    115.8
1793.0     1.174    119.0
1803.0     1.137    122.3
1813.0     1.103    125.9
1823.0     1.072    129.7
1833.0     1.045    133.7
1843.0     1.023    138.0
1853.0     1.005    142.3
1863.0     0.991    146.9
1873.0     0.983    151.5
1883.0     0.979    156.2
1893.0     0.981    160.8
1903.0     0.987    165.5
1913.0     0.998    170.1
1923.0     1.013    174.5
1933.0     1.032    178.8
1943.0     1.053    183.0
1953.0     1.077    186.9
1963.0     1.102    190.7
1973.0     1.127    194.3
1983.0     1.151    197.8
1993.0     1.173    201.1
2003.0     1.191    204.4
2013.0     1.202    207.5
2023.0     1.204    210.6
2033.0     1.192    213.7
2043.0     1.159    217.0
2053.0     1.094    220.5
2063.0     0.977    224.7
2073.0     0.777    230.5
2083.0     0.459    242.7
2093.0     0.165    321.6
2103.0     0.499     28.2
2113.0     0.871     38.4
2123.0     1.182     42.7
2133.0     1.443     45.4
2143.0     1.663     47.2
2153.0     1.852     48.7
2163.0     2.017     49.9
2173.0     2.161     50.9
2183.0     2.288     51.8
2193.0     2.401     52.6
2203.0     2.502     53.4
2213.0     2.591     54.1
2223.0     2.671     54.7
2233.0     2.743     55.4
2243.0     2.807     55.9
2253.0     2.864     56.5
2263.0     2.914     57.0
2273.0     2.959     57.6
2283.0     2.998     58.1
2293.0     3.032     58.6
2303.0     3.062     59.0
2313.0     3.088     59.5
2323.0     3.109     60.0
2333.0     3.127     60.4
2343.0     3.141     60.9
2353.0     3.151     61.4
2363.0     3.159     61.8
2373.0     3.163     62.3
2383.0     3.165     62.7
2393.0     3.164     63.2
2403.0     3.160     63.6
2413.0     3.154     64.1
2423.0     3.146     64.5
2433.0     3.135     65.0
2443.0     3.122     65.4
2453.0     3.107     65.9
2463.0     3.090     66.4
2473.0     3.071     66.8
2483.0     3.050     67.3
2493.0     3.027     67.8
2503.0     3.003     68.3
2513.0     2.976     68.8
2523.0     2.949     69.3
2533.0     2.920     69.8
2543.0     2.889     70.4
2553.0     2.857     70.9
2563.0     2.823     71.5
2573.0     2.788     72.0
2583.0     2.752     72.6






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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