Double Star Calculator - Orbit

Orbital Elements for ES2360

WDS:	ES2360	WDS ID/Discoverer
P:	1313.534	Orbital period (years)
a:	10.08928	Semi-major axis (arcseconds)
i:	111.8	Inclination (degrees)
Ω:	122.156	Longitude of ascending node (degrees)
T:	1828.053	Epoch of periastron passage (year)
e:	0.7726	Eccentricity
ω:	120.622	Longitude of periastron (degrees)
Start-Year:	1368.2328	Year
End-Year:	2681.7672000000002	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for ES2360
Position:	215553.20+314128.0	Epoch-2000 right ascension and declination
WDS-ID:	21559+3141	WDS designation
Discoverer Code:	ES2360	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.70	Magnitude of the primary
V2:	10.80	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:	n	Flags
Ephemerides:		Ephemerides
Code:	Izm2019	Reference

Double Star Orbit for ES2360

WDS 6th Orbit including measures of ES2360

-- 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 ES2360

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    4.218   222.43
--------------------------
1368.23   12.135   144.56
1378.23   12.157   144.12
1388.23   12.175   143.67
1398.23   12.186   143.23
1408.23   12.192   142.79
1418.23   12.192   142.35
1428.23   12.185   141.90
1438.23   12.173   141.46
1448.23   12.153   141.01
1458.23   12.127   140.57
1468.23   12.095   140.12
1478.23   12.054   139.67
1488.23   12.007   139.21
1498.23   11.951   138.76
1508.23   11.888   138.29
1518.23   11.816   137.82
1528.23   11.735   137.35
1538.23   11.645   136.87
1548.23   11.545   136.38
1558.23   11.436   135.88
1568.23   11.316   135.37
1578.23   11.184   134.85
1588.23   11.041   134.32
1598.23   10.886   133.77
1608.23   10.718   133.21
1618.23   10.535   132.63
1628.23   10.338   132.02
1638.23   10.125   131.40
1648.23    9.895   130.74
1658.23    9.646   130.05
1668.23    9.377   129.32
1678.23    9.087   128.55
1688.23    8.773   127.73
1698.23    8.433   126.84
1708.23    8.064   125.87
1718.23    7.663   124.81
1728.23    7.225   123.62
1738.23    6.746   122.27
1748.23    6.220   120.71
1758.23    5.639   118.84
1768.23    4.993   116.50
1778.23    4.271   113.43
1788.23    3.461   109.00
1798.23    2.556   101.60
1808.23    1.593    85.44
1818.23    0.912    34.75
1828.23    1.395   333.64
1838.23    2.239   312.75
1848.23    2.882   302.72
1858.23    3.301   295.87
1868.23    3.562   290.31
1878.23    3.720   285.37
1888.23    3.813   280.74
1898.23    3.863   276.28
1908.23    3.887   271.90
1918.23    3.896   267.56
1928.23    3.897   263.23
1938.23    3.897   258.90
1948.23    3.899   254.57
1958.23    3.907   250.25
1968.23    3.922   245.96
1978.23    3.946   241.71
1988.23    3.981   237.52
1998.23    4.027   233.41
2008.23    4.085   229.41
2018.23    4.153   225.53
2028.23    4.233   221.79
2038.23    4.322   218.19
2048.23    4.422   214.75
2058.23    4.530   211.47
2068.23    4.647   208.34
2078.23    4.772   205.37
2088.23    4.903   202.56
2098.23    5.040   199.90
2108.23    5.183   197.38
2118.23    5.330   195.00
2128.23    5.481   192.75
2138.23    5.635   190.62
2148.23    5.792   188.60
2158.23    5.952   186.69
2168.23    6.113   184.88
2178.23    6.276   183.17
2188.23    6.439   181.54
2198.23    6.604   180.00
2208.23    6.769   178.52
2218.23    6.934   177.12
2228.23    7.098   175.79
2238.23    7.263   174.51
2248.23    7.427   173.29
2258.23    7.589   172.12
2268.23    7.751   171.01
2278.23    7.912   169.93
2288.23    8.071   168.90
2298.23    8.229   167.91
2308.23    8.385   166.96
2318.23    8.539   166.04
2328.23    8.692   165.15
2338.23    8.842   164.30
2348.23    8.990   163.47
2358.23    9.136   162.67
2368.23    9.280   161.89
2378.23    9.421   161.14
2388.23    9.560   160.41
2398.23    9.696   159.70
2408.23    9.830   159.01
2418.23    9.960   158.34
2428.23   10.088   157.69
2438.23   10.213   157.05
2448.23   10.335   156.42
2458.23   10.454   155.82
2468.23   10.569   155.22
2478.23   10.682   154.64
2488.23   10.791   154.07
2498.23   10.897   153.51
2508.23   10.999   152.96
2518.23   11.098   152.42
2528.23   11.193   151.89
2538.23   11.285   151.37
2548.23   11.372   150.86
2558.23   11.456   150.35
2568.23   11.536   149.85
2578.23   11.612   149.36
2588.23   11.683   148.88
2598.23   11.751   148.40
2608.23   11.814   147.93
2618.23   11.873   147.46
2628.23   11.927   146.99
2638.23   11.976   146.53
2648.23   12.021   146.07
2658.23   12.061   145.62
2668.23   12.096   145.17
2678.23   12.126   144.72

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 18:34:25