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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:04:19

Orbital Elements for MAD7AC
WDS: MAD7AC WDS ID/Discoverer
P: 1046.548 Orbital period (years)
a: 11.70773 Semi-major axis (arcseconds)
i: 107.886 Inclination (degrees)
Ω: 81.148 Longitude of ascending node (degrees)
T: 2016.164 Epoch of periastron passage (year)
e: 0.82781 Eccentricity
ω: 210.073 Longitude of periastron (degrees)
Start-Year: 1502.0 Year
End-Year: 2548.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MAD7AC
Position: 191242.44+243436.3 Epoch-2000 right ascension and declination
WDS-ID: 19127+2435 WDS designation
Discoverer Code: MAD7AC Discover designation and components
ADS number: 12166 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.20 Magnitude of the primary
V2: 12.80 Magnitude of the secondary
Equinox: Equinox
Date: 1971 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for MAD7AC



WDS 6th Orbit including measures of MAD7AC

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


Ephemeris of MAD7AC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.829    199.0
-------------------------
1502.0    18.717     70.9
1512.0    18.606     70.6
1522.0    18.483     70.4
1532.0    18.350     70.1
1542.0    18.207     69.9
1552.0    18.053     69.7
1562.0    17.888     69.4
1572.0    17.712     69.1
1582.0    17.527     68.9
1592.0    17.330     68.6
1602.0    17.123     68.3
1612.0    16.905     68.1
1622.0    16.676     67.8
1632.0    16.437     67.5
1642.0    16.187     67.2
1652.0    15.926     66.9
1662.0    15.654     66.5
1672.0    15.372     66.2
1682.0    15.078     65.8
1692.0    14.772     65.5
1702.0    14.456     65.1
1712.0    14.128     64.7
1722.0    13.788     64.3
1732.0    13.437     63.8
1742.0    13.074     63.4
1752.0    12.699     62.9
1762.0    12.311     62.4
1772.0    11.911     61.8
1782.0    11.498     61.2
1792.0    11.072     60.6
1802.0    10.634     59.9
1812.0    10.182     59.1
1822.0     9.716     58.3
1832.0     9.236     57.4
1842.0     8.742     56.4
1852.0     8.235     55.3
1862.0     7.712     54.0
1872.0     7.176     52.5
1882.0     6.625     50.8
1892.0     6.061     48.8
1902.0     5.484     46.4
1912.0     4.896     43.3
1922.0     4.301     39.5
1932.0     3.706     34.4
1942.0     3.124     27.4
1952.0     2.579     17.2
1962.0     2.121      2.3
1972.0     1.836    341.0
1982.0     1.814    316.0
1992.0     2.026    293.5
2002.0     2.270    276.0
2012.0     2.110    260.0
2022.0     1.094    226.8
2032.0     1.238    128.2
2042.0     2.665    103.3
2052.0     4.020     95.8
2062.0     5.234     91.9
2072.0     6.326     89.5
2082.0     7.314     87.7
2092.0     8.218     86.4
2102.0     9.048     85.3
2112.0     9.815     84.4
2122.0    10.526     83.6
2132.0    11.188     82.9
2142.0    11.806     82.3
2152.0    12.384     81.7
2162.0    12.926     81.2
2172.0    13.433     80.7
2182.0    13.910     80.3
2192.0    14.357     79.9
2202.0    14.777     79.5
2212.0    15.171     79.2
2222.0    15.542     78.8
2232.0    15.889     78.5
2242.0    16.215     78.2
2252.0    16.520     77.9
2262.0    16.805     77.6
2272.0    17.071     77.3
2282.0    17.319     77.0
2292.0    17.550     76.7
2302.0    17.764     76.5
2312.0    17.961     76.2
2322.0    18.142     76.0
2332.0    18.308     75.7
2342.0    18.459     75.5
2352.0    18.596     75.3
2362.0    18.718     75.0
2372.0    18.827     74.8
2382.0    18.922     74.6
2392.0    19.004     74.3
2402.0    19.072     74.1
2412.0    19.128     73.9
2422.0    19.172     73.7
2432.0    19.204     73.5
2442.0    19.223     73.2
2452.0    19.230     73.0
2462.0    19.226     72.8
2472.0    19.210     72.6
2482.0    19.183     72.4
2492.0    19.144     72.1
2502.0    19.094     71.9
2512.0    19.033     71.7
2522.0    18.961     71.5
2532.0    18.878     71.2
2542.0    18.784     71.0






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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