Double Star Calculator - Orbit

Orbital Elements for VSP19IA,IB

WDS:	VSP19IA,IB	WDS ID/Discoverer
P:	18.254	Orbital period (years)
a:	0.43739999999999996	Semi-major axis (arcseconds)
i:	93.137	Inclination (degrees)
Ω:	136.616	Longitude of ascending node (degrees)
T:	2023.027	Epoch of periastron passage (year)
e:	0.227	Eccentricity
ω:	181.395	Longitude of periastron (degrees)
Start-Year:	2015.873	Year
End-Year:	2034.127	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for VSP19IA,IB
Position:	073607.07-030638.7	Epoch-2000 right ascension and declination
WDS-ID:	07400-0336	WDS designation
Discoverer Code:	VSP19IA,IB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	36985	Hipparcos catalog number
V1:	9.0	Magnitude of the primary
V2:	12.1	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:	VSP2022d	Reference

Double Star Orbit for VSP19IA,IB

WDS 6th Orbit including measures of VSP19IA,IB

-- 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 VSP19IA,IB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.049   164.37
--------------------------
2015.87    0.465   135.02
2015.97    0.458   134.92
2016.07    0.450   134.82
2016.17    0.443   134.72
2016.27    0.434   134.62
2016.37    0.426   134.51
2016.47    0.417   134.40
2016.57    0.408   134.28
2016.67    0.399   134.16
2016.77    0.390   134.03
2016.87    0.380   133.89
2016.97    0.370   133.75
2017.07    0.359   133.60
2017.17    0.348   133.43
2017.27    0.337   133.26
2017.37    0.326   133.08
2017.47    0.314   132.88
2017.57    0.303   132.67
2017.67    0.290   132.44
2017.77    0.278   132.20
2017.87    0.266   131.92
2017.97    0.253   131.62
2018.07    0.240   131.29
2018.17    0.226   130.92
2018.27    0.213   130.50
2018.37    0.199   130.03
2018.47    0.185   129.48
2018.57    0.171   128.85
2018.67    0.157   128.10
2018.77    0.143   127.21
2018.87    0.128   126.11
2018.97    0.114   124.74
2019.07    0.099   122.96
2019.17    0.085   120.57
2019.27    0.070   117.19
2019.37    0.056   112.08
2019.47    0.043   103.64
2019.57    0.031    88.12
2019.67    0.023    59.03
2019.77    0.025    22.13
2019.87    0.034   357.78
2019.97    0.047   345.05
2020.07    0.060   337.89
2020.17    0.075   333.42
2020.27    0.089   330.40
2020.37    0.104   328.22
2020.47    0.118   326.57
2020.57    0.132   325.29
2020.67    0.146   324.25
2020.77    0.160   323.39
2020.87    0.174   322.67
2020.97    0.187   322.06
2021.07    0.200   321.52
2021.17    0.213   321.05
2021.27    0.225   320.63
2021.37    0.237   320.25
2021.47    0.248   319.91
2021.57    0.259   319.60
2021.67    0.269   319.31
2021.77    0.279   319.04
2021.87    0.288   318.79
2021.97    0.296   318.56
2022.07    0.304   318.34
2022.17    0.311   318.12
2022.27    0.317   317.92
2022.37    0.323   317.72
2022.47    0.327   317.53
2022.57    0.331   317.35
2022.67    0.334   317.17
2022.77    0.336   316.99
2022.87    0.338   316.81
2022.97    0.338   316.64
2023.07    0.338   316.46
2023.17    0.336   316.28
2023.27    0.334   316.10
2023.37    0.331   315.92
2023.47    0.327   315.74
2023.57    0.323   315.55
2023.67    0.317   315.35
2023.77    0.311   315.15
2023.87    0.304   314.93
2023.97    0.296   314.71
2024.07    0.288   314.48
2024.17    0.279   314.23
2024.27    0.269   313.96
2024.37    0.259   313.67
2024.47    0.248   313.36
2024.57    0.236   313.01
2024.67    0.225   312.63
2024.77    0.212   312.21
2024.87    0.199   311.74
2024.97    0.186   311.20
2025.07    0.173   310.57
2025.17    0.159   309.84
2025.27    0.145   308.96
2025.37    0.130   307.90
2025.47    0.116   306.57
2025.57    0.101   304.86
2025.67    0.087   302.58
2025.77    0.072   299.36
2025.87    0.058   294.53
2025.97    0.044   286.60
2026.07    0.032   272.03
2026.17    0.024   244.04
2026.27    0.024   206.10
2026.37    0.033   180.17
2026.47    0.046   166.78
2026.57    0.060   159.38
2026.67    0.074   154.82
2026.77    0.089   151.76
2026.87    0.103   149.56
2026.97    0.118   147.92
2027.07    0.133   146.64
2027.17    0.147   145.61
2027.27    0.162   144.77
2027.37    0.176   144.06
2027.47    0.190   143.46
2027.57    0.204   142.95
2027.67    0.218   142.49
2027.77    0.231   142.09
2027.87    0.245   141.74
2027.97    0.258   141.42
2028.07    0.271   141.13
2028.17    0.283   140.87
2028.27    0.296   140.63
2028.37    0.308   140.41
2028.47    0.320   140.21
2028.57    0.331   140.02
2028.67    0.342   139.84
2028.77    0.353   139.67
2028.87    0.364   139.52
2028.97    0.375   139.37
2029.07    0.385   139.23
2029.17    0.394   139.10
2029.27    0.404   138.97
2029.37    0.413   138.85
2029.47    0.422   138.73
2029.57    0.431   138.62
2029.67    0.439   138.52
2029.77    0.447   138.41
2029.87    0.454   138.32
2029.97    0.462   138.22
2030.07    0.469   138.13
2030.17    0.475   138.04
2030.27    0.481   137.95
2030.37    0.487   137.86
2030.47    0.493   137.78
2030.57    0.498   137.70
2030.67    0.503   137.62
2030.77    0.508   137.54
2030.87    0.512   137.46
2030.97    0.516   137.38
2031.07    0.520   137.31
2031.17    0.523   137.24
2031.27    0.526   137.16
2031.37    0.528   137.09
2031.47    0.531   137.02
2031.57    0.532   136.95
2031.67    0.534   136.88
2031.77    0.535   136.81
2031.87    0.536   136.74
2031.97    0.536   136.67
2032.07    0.537   136.60
2032.17    0.536   136.53
2032.27    0.536   136.46
2032.37    0.535   136.39
2032.47    0.534   136.32
2032.57    0.532   136.25
2032.67    0.530   136.17
2032.77    0.528   136.10
2032.87    0.526   136.03
2032.97    0.523   135.96
2033.07    0.519   135.88
2033.17    0.516   135.81
2033.27    0.512   135.73
2033.37    0.508   135.65
2033.47    0.503   135.58
2033.57    0.498   135.50
2033.67    0.493   135.41
2033.77    0.487   135.33
2033.87    0.481   135.24
2033.97    0.475   135.16
2034.07    0.468   135.07

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 15:59:49