Double Star Calculator - Orbit

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: 1462.65035 Year
End-Year: 2587.34965 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for A2330



WDS 6th Orbit including measures of A2330

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of A2330
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.202   211.68
--------------------------
1462.65    2.736    72.89
1472.65    2.698    73.50
1482.65    2.658    74.13
1492.65    2.618    74.78
1502.65    2.577    75.44
1512.65    2.534    76.13
1522.65    2.491    76.85
1532.65    2.446    77.58
1542.65    2.401    78.35
1552.65    2.355    79.15
1562.65    2.308    79.97
1572.65    2.260    80.84
1582.65    2.211    81.74
1592.65    2.162    82.68
1602.65    2.112    83.66
1612.65    2.062    84.69
1622.65    2.011    85.78
1632.65    1.960    86.92
1642.65    1.908    88.12
1652.65    1.856    89.39
1662.65    1.804    90.74
1672.65    1.752    92.16
1682.65    1.700    93.67
1692.65    1.648    95.28
1702.65    1.597    96.98
1712.65    1.546    98.81
1722.65    1.495   100.75
1732.65    1.445   102.84
1742.65    1.396   105.07
1752.65    1.349   107.45
1762.65    1.303   110.02
1772.65    1.258   112.76
1782.65    1.216   115.70
1792.65    1.176   118.85
1802.65    1.138   122.21
1812.65    1.104   125.79
1822.65    1.073   129.59
1832.65    1.046   133.60
1842.65    1.024   137.80
1852.65    1.005   142.18
1862.65    0.992   146.69
1872.65    0.983   151.31
1882.65    0.979   155.99
1892.65    0.981   160.68
1902.65    0.987   165.33
1912.65    0.998   169.90
1922.65    1.013   174.35
1932.65    1.031   178.66
1942.65    1.052   182.81
1952.65    1.076   186.78
1962.65    1.101   190.58
1972.65    1.126   194.21
1982.65    1.150   197.69
1992.65    1.172   201.02
2002.65    1.190   204.25
2012.65    1.202   207.39
2022.65    1.204   210.49
2032.65    1.193   213.61
2042.65    1.161   216.85
2052.65    1.097   220.36
2062.65    0.982   224.50
2072.65    0.786   230.21
2082.65    0.472   241.94
2092.65    0.164   315.84
2102.65    0.485    27.55
2112.65    0.859    38.20
2122.65    1.172    42.63
2132.65    1.434    45.29
2142.65    1.656    47.18
2152.65    1.846    48.64
2162.65    2.012    49.85
2172.65    2.156    50.89
2182.65    2.284    51.80
2192.65    2.398    52.62
2202.65    2.498    53.37
2212.65    2.588    54.07
2222.65    2.669    54.72
2232.65    2.741    55.33
2242.65    2.805    55.92
2252.65    2.862    56.48
2262.65    2.912    57.02
2272.65    2.957    57.54
2282.65    2.997    58.05
2292.65    3.031    58.54
2302.65    3.061    59.03
2312.65    3.087    59.50
2322.65    3.108    59.97
2332.65    3.126    60.43
2342.65    3.140    60.89
2352.65    3.151    61.35
2362.65    3.159    61.80
2372.65    3.163    62.25
2382.65    3.165    62.70
2392.65    3.164    63.15
2402.65    3.160    63.60
2412.65    3.154    64.05
2422.65    3.146    64.50
2432.65    3.135    64.96
2442.65    3.122    65.42
2452.65    3.107    65.88
2462.65    3.090    66.35
2472.65    3.071    66.82
2482.65    3.050    67.30
2492.65    3.028    67.79
2502.65    3.003    68.28
2512.65    2.977    68.79
2522.65    2.950    69.30
2532.65    2.921    69.82
2542.65    2.890    70.35
2552.65    2.858    70.90
2562.65    2.824    71.46
2572.65    2.789    72.03
2582.65    2.753    72.61






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:00:37



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