Double Star Calculator - Orbit

Orbital Elements for HDS1507
WDS: HDS1507 WDS ID/Discoverer
P: 15.590 Orbital period (years)
a: 0.0984 Semi-major axis (arcseconds)
i: 24.6 Inclination (degrees)
Ω: 277.0 Longitude of ascending node (degrees)
T: 2011.790 Epoch of periastron passage (year)
e: 0.372 Eccentricity
ω: 286.3 Longitude of periastron (degrees)
Start-Year: 2017.205 Year
End-Year: 2032.795 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HDS1507
Position: 102925.66+121113.3 Epoch-2000 right ascension and declination
WDS-ID: 10294+1211 WDS designation
Discoverer Code: HDS1507 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 90823 HD catalog number
Hipparcos number: 51360 Hipparcos catalog number
V1: 7.69 Magnitude of the primary
V2: 8.76 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2017b Reference

Double Star Orbit for HDS1507



WDS 6th Orbit including measures of HDS1507

-- 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 HDS1507
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.063   155.76
--------------------------
2017.20    0.115   353.76
2017.30    0.116   355.18
2017.40    0.116   356.58
2017.50    0.117   357.97
2017.60    0.117   359.35
2017.70    0.118     0.71
2017.80    0.118     2.07
2017.90    0.119     3.41
2018.00    0.119     4.74
2018.10    0.120     6.07
2018.20    0.120     7.38
2018.30    0.120     8.69
2018.40    0.121     9.99
2018.50    0.121    11.28
2018.60    0.121    12.56
2018.70    0.122    13.83
2018.80    0.122    15.10
2018.90    0.122    16.37
2019.00    0.123    17.62
2019.10    0.123    18.88
2019.20    0.123    20.12
2019.30    0.123    21.37
2019.40    0.123    22.61
2019.50    0.124    23.84
2019.60    0.124    25.07
2019.70    0.124    26.30
2019.80    0.124    27.53
2019.90    0.124    28.76
2020.00    0.124    29.98
2020.10    0.124    31.21
2020.20    0.124    32.43
2020.30    0.124    33.65
2020.40    0.124    34.88
2020.50    0.124    36.10
2020.60    0.124    37.33
2020.70    0.124    38.56
2020.80    0.124    39.79
2020.90    0.124    41.02
2021.00    0.123    42.26
2021.10    0.123    43.50
2021.20    0.123    44.74
2021.30    0.123    45.99
2021.40    0.122    47.24
2021.50    0.122    48.50
2021.60    0.122    49.77
2021.70    0.121    51.05
2021.80    0.121    52.33
2021.90    0.121    53.62
2022.00    0.120    54.92
2022.10    0.120    56.23
2022.20    0.119    57.56
2022.30    0.119    58.89
2022.40    0.118    60.24
2022.50    0.117    61.60
2022.60    0.117    62.97
2022.70    0.116    64.37
2022.80    0.115    65.78
2022.90    0.115    67.20
2023.00    0.114    68.65
2023.10    0.113    70.12
2023.20    0.112    71.61
2023.30    0.111    73.12
2023.40    0.110    74.66
2023.50    0.109    76.23
2023.60    0.108    77.83
2023.70    0.107    79.45
2023.80    0.106    81.12
2023.90    0.105    82.81
2024.00    0.104    84.55
2024.10    0.102    86.33
2024.20    0.101    88.15
2024.30    0.100    90.03
2024.40    0.098    91.95
2024.50    0.097    93.93
2024.60    0.095    95.97
2024.70    0.094    98.08
2024.80    0.092   100.26
2024.90    0.091   102.51
2025.00    0.089   104.85
2025.10    0.087   107.27
2025.20    0.086   109.79
2025.30    0.084   112.42
2025.40    0.082   115.17
2025.50    0.080   118.03
2025.60    0.078   121.03
2025.70    0.077   124.18
2025.80    0.075   127.49
2025.90    0.073   130.96
2026.00    0.071   134.62
2026.10    0.069   138.47
2026.20    0.067   142.52
2026.30    0.066   146.79
2026.40    0.064   151.28
2026.50    0.062   156.01
2026.60    0.061   160.95
2026.70    0.060   166.12
2026.80    0.059   171.49
2026.90    0.058   177.05
2027.00    0.057   182.76
2027.10    0.057   188.59
2027.20    0.056   194.49
2027.30    0.056   200.40
2027.40    0.057   206.30
2027.50    0.057   212.12
2027.60    0.058   217.82
2027.70    0.059   223.38
2027.80    0.060   228.76
2027.90    0.061   233.95
2028.00    0.062   238.93
2028.10    0.064   243.71
2028.20    0.065   248.28
2028.30    0.067   252.64
2028.40    0.068   256.81
2028.50    0.070   260.79
2028.60    0.071   264.60
2028.70    0.073   268.25
2028.80    0.074   271.74
2028.90    0.076   275.08
2029.00    0.077   278.30
2029.10    0.079   281.39
2029.20    0.080   284.36
2029.30    0.082   287.23
2029.40    0.083   290.01
2029.50    0.085   292.68
2029.60    0.086   295.28
2029.70    0.087   297.79
2029.80    0.089   300.23
2029.90    0.090   302.61
2030.00    0.091   304.91
2030.10    0.092   307.16
2030.20    0.093   309.35
2030.30    0.095   311.49
2030.40    0.096   313.57
2030.50    0.097   315.61
2030.60    0.098   317.61
2030.70    0.099   319.56
2030.80    0.100   321.47
2030.90    0.101   323.35
2031.00    0.102   325.19
2031.10    0.103   327.00
2031.20    0.104   328.77
2031.30    0.104   330.52
2031.40    0.105   332.24
2031.50    0.106   333.93
2031.60    0.107   335.59
2031.70    0.108   337.23
2031.80    0.108   338.84
2031.90    0.109   340.43
2032.00    0.110   342.00
2032.10    0.111   343.55
2032.20    0.111   345.08
2032.30    0.112   346.60
2032.40    0.113   348.09
2032.50    0.113   349.57
2032.60    0.114   351.03
2032.70    0.115   352.47



 

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 16:28:24


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