Double Star Calculator - Orbit

Orbital Elements for LDS169
WDS: LDS169 WDS ID/Discoverer
P: 2126.009 Orbital period (years)
a: 36.32127 Semi-major axis (arcseconds)
i: 94.4675 Inclination (degrees)
Ω: 31.3916 Longitude of ascending node (degrees)
T: 2175.893 Epoch of periastron passage (year)
e: 0.87758 Eccentricity
ω: 102.675 Longitude of periastron (degrees)
Start-Year: 961.9956090000001 Year
End-Year: 3088.004391 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for LDS169
Position: 063343.27-753747.9 Epoch-2000 right ascension and declination
WDS-ID: 06337-7538 WDS designation
Discoverer Code: LDS169 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 31292 Hipparcos catalog number
V1: 10.49 Magnitude of the primary
V2: 11.18 Magnitude of the secondary
Equinox: Equinox
Date: 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: Kpp2020f Reference

Double Star Orbit for LDS169



WDS 6th Orbit including measures of LDS169

-- 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 LDS169
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50   21.066    35.08
--------------------------
962.00   11.906    57.15
972.00   12.173    56.58
982.00   12.439    56.03
992.00   12.704    55.50
1002.00   12.969    54.99
1012.00   13.233    54.51
1022.00   13.496    54.04
1032.00   13.759    53.59
1042.00   14.020    53.16
1052.00   14.280    52.74
1062.00   14.539    52.34
1072.00   14.796    51.95
1082.00   15.053    51.58
1092.00   15.308    51.21
1102.00   15.561    50.86
1112.00   15.813    50.52
1122.00   16.064    50.20
1132.00   16.313    49.88
1142.00   16.560    49.57
1152.00   16.805    49.27
1162.00   17.049    48.98
1172.00   17.291    48.70
1182.00   17.531    48.42
1192.00   17.769    48.15
1202.00   18.005    47.89
1212.00   18.239    47.64
1222.00   18.471    47.39
1232.00   18.701    47.15
1242.00   18.929    46.91
1252.00   19.154    46.68
1262.00   19.377    46.46
1272.00   19.598    46.24
1282.00   19.816    46.02
1292.00   20.032    45.81
1302.00   20.245    45.61
1312.00   20.455    45.41
1322.00   20.663    45.21
1332.00   20.869    45.02
1342.00   21.071    44.83
1352.00   21.271    44.64
1362.00   21.468    44.46
1372.00   21.661    44.28
1382.00   21.852    44.10
1392.00   22.040    43.93
1402.00   22.225    43.76
1412.00   22.406    43.59
1422.00   22.584    43.43
1432.00   22.759    43.26
1442.00   22.930    43.10
1452.00   23.098    42.95
1462.00   23.262    42.79
1472.00   23.423    42.64
1482.00   23.579    42.49
1492.00   23.732    42.34
1502.00   23.881    42.19
1512.00   24.026    42.04
1522.00   24.167    41.90
1532.00   24.303    41.76
1542.00   24.436    41.62
1552.00   24.563    41.48
1562.00   24.687    41.34
1572.00   24.805    41.21
1582.00   24.919    41.07
1592.00   25.028    40.94
1602.00   25.132    40.80
1612.00   25.231    40.67
1622.00   25.324    40.54
1632.00   25.412    40.41
1642.00   25.494    40.28
1652.00   25.571    40.16
1662.00   25.641    40.03
1672.00   25.706    39.90
1682.00   25.764    39.78
1692.00   25.815    39.65
1702.00   25.860    39.53
1712.00   25.898    39.40
1722.00   25.929    39.28
1732.00   25.952    39.15
1742.00   25.968    39.03
1752.00   25.976    38.91
1762.00   25.975    38.78
1772.00   25.966    38.66
1782.00   25.948    38.53
1792.00   25.921    38.41
1802.00   25.884    38.29
1812.00   25.837    38.16
1822.00   25.779    38.04
1832.00   25.711    37.91
1842.00   25.631    37.78
1852.00   25.540    37.66
1862.00   25.435    37.53
1872.00   25.318    37.40
1882.00   25.187    37.27
1892.00   25.041    37.13
1902.00   24.880    37.00
1912.00   24.702    36.87
1922.00   24.507    36.73
1932.00   24.294    36.59
1942.00   24.061    36.44
1952.00   23.807    36.30
1962.00   23.531    36.15
1972.00   23.230    36.00
1982.00   22.903    35.84
1992.00   22.548    35.68
2002.00   22.162    35.51
2012.00   21.742    35.34
2022.00   21.285    35.16
2032.00   20.787    34.97
2042.00   20.242    34.77
2052.00   19.646    34.56
2062.00   18.991    34.34
2072.00   18.269    34.10
2082.00   17.468    33.84
2092.00   16.574    33.55
2102.00   15.569    33.23
2112.00   14.427    32.86
2122.00   13.111    32.42
2132.00   11.569    31.87
2142.00    9.716    31.13
2152.00    7.417    29.98
2162.00    4.459    27.52
2172.00    0.730     2.43
2182.00    3.338   215.98
2192.00    6.205   212.12
2202.00    8.042   210.48
2212.00    9.258   209.37
2222.00   10.097   208.48
2232.00   10.692   207.71
2242.00   11.118   207.01
2252.00   11.421   206.35
2262.00   11.629   205.73
2272.00   11.765   205.12
2282.00   11.842   204.52
2292.00   11.871   203.93
2302.00   11.861   203.33
2312.00   11.818   202.74
2322.00   11.747   202.14
2332.00   11.651   201.53
2342.00   11.535   200.91
2352.00   11.400   200.27
2362.00   11.251   199.62
2372.00   11.087   198.96
2382.00   10.911   198.27
2392.00   10.725   197.55
2402.00   10.530   196.82
2412.00   10.327   196.05
2422.00   10.117   195.25
2432.00    9.900   194.42
2442.00    9.679   193.55
2452.00    9.453   192.63
2462.00    9.223   191.68
2472.00    8.991   190.67
2482.00    8.756   189.61
2492.00    8.519   188.49
2502.00    8.282   187.31
2512.00    8.044   186.06
2522.00    7.807   184.73
2532.00    7.570   183.32
2542.00    7.336   181.82
2552.00    7.103   180.22
2562.00    6.874   178.51
2572.00    6.649   176.68
2582.00    6.429   174.73
2592.00    6.214   172.64
2602.00    6.006   170.41
2612.00    5.806   168.01
2622.00    5.615   165.45
2632.00    5.435   162.72
2642.00    5.266   159.80
2652.00    5.110   156.70
2662.00    4.969   153.41
2672.00    4.843   149.94
2682.00    4.735   146.30
2692.00    4.646   142.51
2702.00    4.577   138.58
2712.00    4.528   134.55
2722.00    4.502   130.46
2732.00    4.498   126.34
2742.00    4.516   122.23
2752.00    4.556   118.17
2762.00    4.617   114.20
2772.00    4.699   110.35
2782.00    4.801   106.65
2792.00    4.920   103.12
2802.00    5.057    99.76
2812.00    5.209    96.59
2822.00    5.375    93.61
2832.00    5.554    90.82
2842.00    5.744    88.20
2852.00    5.944    85.76
2862.00    6.153    83.47
2872.00    6.371    81.35
2882.00    6.595    79.36
2892.00    6.826    77.51
2902.00    7.062    75.78
2912.00    7.303    74.16
2922.00    7.549    72.65
2932.00    7.798    71.23
2942.00    8.051    69.90
2952.00    8.306    68.65
2962.00    8.564    67.48
2972.00    8.823    66.37
2982.00    9.085    65.33
2992.00    9.348    64.35
3002.00    9.612    63.42
3012.00    9.878    62.54
3022.00   10.144    61.71
3032.00   10.410    60.92
3042.00   10.677    60.17
3052.00   10.944    59.46
3062.00   11.212    58.78
3072.00   11.479    58.13
3082.00   11.746    57.51






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 15:48:00



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