Double Star Calculator - Orbit

Orbital Elements for YSC13
WDS: YSC13 WDS ID/Discoverer
P: 11.937 Orbital period (years)
a: 0.094 Semi-major axis (arcseconds)
i: 44.4 Inclination (degrees)
Ω: 41.4 Longitude of ascending node (degrees)
T: 2014.324 Epoch of periastron passage (year)
e: 0.761 Eccentricity
ω: 267.3 Longitude of periastron (degrees)
Start-Year: 2019.0315 Year
End-Year: 2030.9685 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for YSC13
Position: 190239.41+430702.9 Epoch-2000 right ascension and declination
WDS-ID: 19027+4307 WDS designation
Discoverer Code: YSC13 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 177412 HD catalog number
Hipparcos number: 93511 Hipparcos catalog number
V1: 8.3 Magnitude of the primary
V2: 9.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 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: Doc2013j Reference

Double Star Orbit for YSC13



WDS 6th Orbit including measures of YSC13

-- 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 YSC13
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.029    21.79
--------------------------
2019.03    0.117   116.42
2019.13    0.117   117.33
2019.23    0.117   118.23
2019.33    0.117   119.12
2019.43    0.118   120.02
2019.53    0.118   120.91
2019.63    0.118   121.80
2019.73    0.118   122.68
2019.83    0.118   123.56
2019.93    0.118   124.44
2020.03    0.118   125.33
2020.13    0.118   126.21
2020.23    0.118   127.09
2020.33    0.118   127.97
2020.43    0.118   128.85
2020.53    0.118   129.73
2020.63    0.118   130.62
2020.73    0.118   131.51
2020.83    0.118   132.40
2020.93    0.117   133.29
2021.03    0.117   134.19
2021.13    0.117   135.10
2021.23    0.116   136.00
2021.33    0.116   136.92
2021.43    0.116   137.84
2021.53    0.115   138.77
2021.63    0.115   139.70
2021.73    0.114   140.64
2021.83    0.114   141.59
2021.93    0.113   142.55
2022.03    0.112   143.53
2022.13    0.112   144.51
2022.23    0.111   145.50
2022.33    0.110   146.51
2022.43    0.110   147.53
2022.53    0.109   148.56
2022.63    0.108   149.61
2022.73    0.107   150.68
2022.83    0.106   151.77
2022.93    0.105   152.87
2023.03    0.104   154.00
2023.13    0.103   155.15
2023.23    0.102   156.32
2023.33    0.101   157.52
2023.43    0.100   158.75
2023.53    0.098   160.01
2023.63    0.097   161.30
2023.73    0.096   162.63
2023.83    0.094   163.99
2023.93    0.093   165.40
2024.03    0.091   166.86
2024.13    0.090   168.37
2024.23    0.088   169.93
2024.33    0.086   171.56
2024.43    0.084   173.26
2024.53    0.082   175.04
2024.63    0.080   176.91
2024.73    0.078   178.88
2024.83    0.076   180.96
2024.93    0.073   183.18
2025.03    0.071   185.56
2025.13    0.068   188.12
2025.23    0.065   190.91
2025.33    0.062   193.97
2025.43    0.059   197.38
2025.53    0.055   201.23
2025.63    0.051   205.67
2025.73    0.046   210.95
2025.83    0.041   217.47
2025.93    0.035   226.00
2026.03    0.029   238.21
2026.13    0.022   258.11
2026.23    0.017   293.81
2026.33    0.018   339.47
2026.43    0.024     9.46
2026.53    0.031    26.16
2026.63    0.038    36.75
2026.73    0.043    44.31
2026.83    0.049    50.15
2026.93    0.053    54.91
2027.03    0.058    58.93
2027.13    0.061    62.43
2027.23    0.065    65.53
2027.33    0.068    68.32
2027.43    0.071    70.86
2027.53    0.074    73.20
2027.63    0.077    75.37
2027.73    0.079    77.40
2027.83    0.082    79.32
2027.93    0.084    81.12
2028.03    0.086    82.84
2028.13    0.088    84.47
2028.23    0.090    86.04
2028.33    0.092    87.54
2028.43    0.093    88.99
2028.53    0.095    90.39
2028.63    0.096    91.74
2028.73    0.098    93.05
2028.83    0.099    94.32
2028.93    0.101    95.55
2029.03    0.102    96.76
2029.13    0.103    97.94
2029.23    0.104    99.09
2029.33    0.105   100.21
2029.43    0.106   101.32
2029.53    0.107   102.40
2029.63    0.108   103.46
2029.73    0.109   104.51
2029.83    0.110   105.54
2029.93    0.111   106.55
2030.03    0.111   107.55
2030.13    0.112   108.54
2030.23    0.113   109.52
2030.33    0.113   110.48
2030.43    0.114   111.44
2030.53    0.115   112.38
2030.63    0.115   113.32
2030.73    0.116   114.25
2030.83    0.116   115.17
2030.93    0.116   116.08



 

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 17:58:27


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