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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:59:51

Orbital Elements for SEE358
WDS: SEE358 WDS ID/Discoverer
P: 1155.474 Orbital period (years)
a: 3.44935 Semi-major axis (arcseconds)
i: 66.992 Inclination (degrees)
Ω: 96.441 Longitude of ascending node (degrees)
T: 2065.149 Epoch of periastron passage (year)
e: 0.86024 Eccentricity
ω: 73.173 Longitude of periastron (degrees)
Start-Year: 1448.0 Year
End-Year: 2602.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE358
Position: 184444.48-254751.4 Epoch-2000 right ascension and declination
WDS-ID: 18447-2548 WDS designation
Discoverer Code: SEE358 Discover designation and components
ADS number: 11622 Aitken Double Star catalog
HD number: 173099 HD catalog number
Hipparcos number: 91967 Hipparcos catalog number
V1: 8.41 Magnitude of the primary
V2: 8.82 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 SEE358



WDS 6th Orbit including measures of SEE358

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


Ephemeris of SEE358
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.164     74.0
-------------------------
1448.0     3.129    325.6
1458.0     3.107    326.4
1468.0     3.083    327.2
1478.0     3.059    328.0
1488.0     3.034    328.8
1498.0     3.008    329.6
1508.0     2.981    330.4
1518.0     2.954    331.2
1528.0     2.925    332.1
1538.0     2.897    333.0
1548.0     2.867    333.8
1558.0     2.837    334.8
1568.0     2.806    335.7
1578.0     2.775    336.6
1588.0     2.743    337.6
1598.0     2.710    338.6
1608.0     2.677    339.6
1618.0     2.644    340.7
1628.0     2.610    341.7
1638.0     2.575    342.8
1648.0     2.541    344.0
1658.0     2.506    345.1
1668.0     2.470    346.3
1678.0     2.435    347.5
1688.0     2.399    348.8
1698.0     2.363    350.1
1708.0     2.326    351.5
1718.0     2.290    352.8
1728.0     2.253    354.3
1738.0     2.216    355.7
1748.0     2.180    357.3
1758.0     2.143    358.9
1768.0     2.107      0.5
1778.0     2.070      2.2
1788.0     2.034      3.9
1798.0     1.998      5.8
1808.0     1.962      7.6
1818.0     1.927      9.6
1828.0     1.892     11.6
1838.0     1.857     13.7
1848.0     1.823     15.9
1858.0     1.789     18.2
1868.0     1.756     20.5
1878.0     1.723     23.0
1888.0     1.691     25.5
1898.0     1.659     28.1
1908.0     1.628     30.9
1918.0     1.597     33.7
1928.0     1.567     36.7
1938.0     1.536     39.7
1948.0     1.506     42.9
1958.0     1.475     46.3
1968.0     1.442     49.7
1978.0     1.408     53.4
1988.0     1.370     57.2
1998.0     1.328     61.3
2008.0     1.278     65.6
2018.0     1.217     70.3
2028.0     1.137     75.7
2038.0     1.025     82.0
2048.0     0.852     90.3
2058.0     0.546    105.5
2068.0     0.201    201.0
2078.0     0.657    263.4
2088.0     1.052    273.8
2098.0     1.352    279.0
2108.0     1.592    282.4
2118.0     1.792    285.0
2128.0     1.963    287.1
2138.0     2.111    288.9
2148.0     2.241    290.4
2158.0     2.358    291.8
2168.0     2.462    293.1
2178.0     2.555    294.3
2188.0     2.640    295.3
2198.0     2.717    296.4
2208.0     2.787    297.4
2218.0     2.850    298.3
2228.0     2.908    299.2
2238.0     2.961    300.0
2248.0     3.009    300.9
2258.0     3.053    301.7
2268.0     3.093    302.4
2278.0     3.129    303.2
2288.0     3.162    304.0
2298.0     3.191    304.7
2308.0     3.218    305.4
2318.0     3.241    306.1
2328.0     3.262    306.8
2338.0     3.280    307.5
2348.0     3.296    308.2
2358.0     3.310    308.9
2368.0     3.321    309.5
2378.0     3.330    310.2
2388.0     3.338    310.9
2398.0     3.343    311.5
2408.0     3.347    312.2
2418.0     3.348    312.8
2428.0     3.348    313.5
2438.0     3.347    314.2
2448.0     3.344    314.8
2458.0     3.339    315.5
2468.0     3.333    316.2
2478.0     3.325    316.8
2488.0     3.317    317.5
2498.0     3.306    318.2
2508.0     3.295    318.8
2518.0     3.282    319.5
2528.0     3.269    320.2
2538.0     3.254    320.9
2548.0     3.237    321.6
2558.0     3.220    322.3
2568.0     3.202    323.0
2578.0     3.183    323.8
2588.0     3.163    324.5
2598.0     3.141    325.2






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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