Double Star Calculator - Orbit

Orbital Elements for YSC148AB
WDS: YSC148AB WDS ID/Discoverer
P: 11.140 Orbital period (years)
a: 0.1638 Semi-major axis (arcseconds)
i: 43.0 Inclination (degrees)
Ω: 352.1 Longitude of ascending node (degrees)
T: 1994.922 Epoch of periastron passage (year)
e: 0.347 Eccentricity
ω: 143.4 Longitude of periastron (degrees)
Start-Year: 2019.43 Year
End-Year: 2030.57 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for YSC148AB
Position: 054629.79+743636.4 Epoch-2000 right ascension and declination
WDS-ID: 05465+7437 WDS designation
Discoverer Code: YSC148AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 37393 HD catalog number
Hipparcos number: 27246 Hipparcos catalog number
V1: 7.5 Magnitude of the primary
V2: 10.3 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: n Flags
Ephemerides: Ephemerides
Code: Tok2019e Reference

Double Star Orbit for YSC148AB



WDS 6th Orbit including measures of YSC148AB

-- 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 YSC148AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.135    27.07
--------------------------
2019.43    0.124   242.56
2019.53    0.126   246.37
2019.63    0.127   250.09
2019.73    0.129   253.74
2019.83    0.130   257.30
2019.93    0.132   260.76
2020.03    0.134   264.11
2020.13    0.136   267.37
2020.23    0.139   270.52
2020.33    0.141   273.57
2020.43    0.143   276.51
2020.53    0.146   279.34
2020.63    0.149   282.08
2020.73    0.151   284.72
2020.83    0.154   287.27
2020.93    0.157   289.72
2021.03    0.160   292.09
2021.13    0.163   294.38
2021.23    0.166   296.58
2021.33    0.168   298.72
2021.43    0.171   300.78
2021.53    0.174   302.78
2021.63    0.177   304.72
2021.73    0.179   306.60
2021.83    0.182   308.42
2021.93    0.184   310.20
2022.03    0.187   311.93
2022.13    0.189   313.61
2022.23    0.191   315.26
2022.33    0.193   316.86
2022.43    0.195   318.44
2022.53    0.197   319.98
2022.63    0.199   321.49
2022.73    0.201   322.97
2022.83    0.202   324.44
2022.93    0.204   325.88
2023.03    0.205   327.30
2023.13    0.206   328.70
2023.23    0.207   330.09
2023.33    0.208   331.47
2023.43    0.209   332.84
2023.53    0.209   334.20
2023.63    0.210   335.55
2023.73    0.210   336.91
2023.83    0.210   338.26
2023.93    0.210   339.61
2024.03    0.209   340.96
2024.13    0.209   342.32
2024.23    0.208   343.69
2024.33    0.207   345.07
2024.43    0.206   346.46
2024.53    0.205   347.87
2024.63    0.203   349.30
2024.73    0.201   350.75
2024.83    0.200   352.23
2024.93    0.197   353.74
2025.03    0.195   355.28
2025.13    0.192   356.87
2025.23    0.190   358.50
2025.33    0.187     0.18
2025.43    0.183     1.92
2025.53    0.180     3.73
2025.63    0.176     5.61
2025.73    0.172     7.57
2025.83    0.168     9.63
2025.93    0.163    11.80
2026.03    0.159    14.09
2026.13    0.154    16.51
2026.23    0.149    19.10
2026.33    0.144    21.87
2026.43    0.139    24.85
2026.53    0.133    28.07
2026.63    0.128    31.56
2026.73    0.122    35.36
2026.83    0.117    39.52
2026.93    0.112    44.08
2027.03    0.106    49.10
2027.13    0.101    54.62
2027.23    0.097    60.67
2027.33    0.093    67.27
2027.43    0.090    74.39
2027.53    0.087    81.99
2027.63    0.086    89.94
2027.73    0.085    98.10
2027.83    0.086   106.28
2027.93    0.087   114.32
2028.03    0.089   122.06
2028.13    0.091   129.42
2028.23    0.094   136.35
2028.33    0.097   142.84
2028.43    0.101   148.92
2028.53    0.104   154.62
2028.63    0.107   159.99
2028.73    0.109   165.09
2028.83    0.112   169.95
2028.93    0.114   174.63
2029.03    0.115   179.16
2029.13    0.117   183.57
2029.23    0.118   187.89
2029.33    0.119   192.14
2029.43    0.119   196.35
2029.53    0.120   200.52
2029.63    0.120   204.66
2029.73    0.120   208.79
2029.83    0.120   212.90
2029.93    0.121   217.00
2030.03    0.121   221.08
2030.13    0.121   225.14
2030.23    0.122   229.17
2030.33    0.122   233.17
2030.43    0.123   237.12
2030.53    0.124   241.02



 

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 15:40:33


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