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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:25:46

Orbital Elements for A1109AB
WDS: A1109AB WDS ID/Discoverer
P: 1407.620 Orbital period (years)
a: 2.823 Semi-major axis (arcseconds)
i: 52.5 Inclination (degrees)
Ω: 221.34 Longitude of ascending node (degrees)
T: 3298.000 Epoch of periastron passage (year)
e: 0.8475 Eccentricity
ω: 98.6 Longitude of periastron (degrees)
Start-Year: 1322.0 Year
End-Year: 2728.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1109AB
Position: 144247.60+063526.4 Epoch-2000 right ascension and declination
WDS-ID: 14428+0635 WDS designation
Discoverer Code: A1109AB Discover designation and components
ADS number: 9353 Aitken Double Star catalog
HD number: 129517 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 7.44 Magnitude of the primary
V2: 9.44 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2005 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1109AB



WDS 6th Orbit including measures of A1109AB

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


Ephemeris of A1109AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.788     90.6
-------------------------
1322.0     3.248    153.7
1332.0     3.244    154.4
1342.0     3.240    155.0
1352.0     3.234    155.6
1362.0     3.228    156.2
1372.0     3.221    156.9
1382.0     3.213    157.5
1392.0     3.205    158.1
1402.0     3.195    158.8
1412.0     3.185    159.4
1422.0     3.174    160.1
1432.0     3.162    160.7
1442.0     3.149    161.4
1452.0     3.136    162.1
1462.0     3.121    162.7
1472.0     3.106    163.4
1482.0     3.089    164.1
1492.0     3.072    164.8
1502.0     3.053    165.5
1512.0     3.034    166.2
1522.0     3.013    166.9
1532.0     2.991    167.7
1542.0     2.968    168.4
1552.0     2.944    169.2
1562.0     2.919    169.9
1572.0     2.892    170.7
1582.0     2.864    171.5
1592.0     2.835    172.3
1602.0     2.804    173.1
1612.0     2.772    174.0
1622.0     2.738    174.9
1632.0     2.703    175.8
1642.0     2.666    176.7
1652.0     2.627    177.6
1662.0     2.586    178.6
1672.0     2.543    179.6
1682.0     2.497    180.6
1692.0     2.450    181.7
1702.0     2.400    182.8
1712.0     2.347    184.0
1722.0     2.291    185.2
1732.0     2.233    186.5
1742.0     2.170    187.8
1752.0     2.104    189.3
1762.0     2.034    190.8
1772.0     1.959    192.5
1782.0     1.879    194.3
1792.0     1.792    196.2
1802.0     1.699    198.4
1812.0     1.597    200.8
1822.0     1.485    203.6
1832.0     1.361    206.8
1842.0     1.221    210.8
1852.0     1.060    215.9
1862.0     0.871    223.0
1872.0     0.644    234.6
1882.0     0.379    261.5
1892.0     0.284    339.5
1902.0     0.517     26.2
1912.0     0.735     43.3
1922.0     0.905     53.1
1932.0     1.043     60.0
1942.0     1.159     65.5
1952.0     1.261     70.0
1962.0     1.352     73.8
1972.0     1.435     77.2
1982.0     1.511     80.2
1992.0     1.582     83.0
2002.0     1.649     85.5
2012.0     1.711     87.9
2022.0     1.771     90.0
2032.0     1.828     92.1
2042.0     1.882     94.0
2052.0     1.934     95.8
2062.0     1.984     97.5
2072.0     2.032     99.1
2082.0     2.078    100.7
2092.0     2.123    102.2
2102.0     2.166    103.6
2112.0     2.208    105.0
2122.0     2.249    106.3
2132.0     2.288    107.6
2142.0     2.326    108.8
2152.0     2.363    110.0
2162.0     2.399    111.2
2172.0     2.434    112.3
2182.0     2.468    113.4
2192.0     2.501    114.5
2202.0     2.533    115.5
2212.0     2.565    116.5
2222.0     2.595    117.5
2232.0     2.625    118.5
2242.0     2.653    119.4
2252.0     2.681    120.4
2262.0     2.709    121.3
2272.0     2.735    122.2
2282.0     2.761    123.0
2292.0     2.786    123.9
2302.0     2.810    124.7
2312.0     2.834    125.6
2322.0     2.857    126.4
2332.0     2.879    127.2
2342.0     2.900    128.0
2352.0     2.921    128.7
2362.0     2.941    129.5
2372.0     2.961    130.3
2382.0     2.980    131.0
2392.0     2.998    131.7
2402.0     3.016    132.5
2412.0     3.033    133.2
2422.0     3.049    133.9
2432.0     3.065    134.6
2442.0     3.080    135.3
2452.0     3.095    136.0
2462.0     3.109    136.7
2472.0     3.122    137.4
2482.0     3.135    138.0
2492.0     3.147    138.7
2502.0     3.158    139.4
2512.0     3.169    140.0
2522.0     3.179    140.7
2532.0     3.189    141.3
2542.0     3.198    142.0
2552.0     3.206    142.6
2562.0     3.214    143.3
2572.0     3.221    143.9
2582.0     3.228    144.5
2592.0     3.234    145.2
2602.0     3.239    145.8
2612.0     3.243    146.4
2622.0     3.247    147.0
2632.0     3.251    147.7
2642.0     3.253    148.3
2652.0     3.255    148.9
2662.0     3.257    149.5
2672.0     3.258    150.1
2682.0     3.258    150.8
2692.0     3.257    151.4
2702.0     3.256    152.0
2712.0     3.254    152.6
2722.0     3.251    153.3






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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