Double Star Calculator - Orbit

Orbital Elements for VSP59AA,AB

WDS:	VSP59AA,AB	WDS ID/Discoverer
P:	19.360	Orbital period (years)
a:	0.275	Semi-major axis (arcseconds)
i:	83.6	Inclination (degrees)
Ω:	14.2	Longitude of ascending node (degrees)
T:	2008.000	Epoch of periastron passage (year)
e:	0.235	Eccentricity
ω:	8.9	Longitude of periastron (degrees)
Start-Year:	2015.32	Year
End-Year:	2034.68	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for VSP59AA,AB
Position:	194557.30+041454.6	Epoch-2000 right ascension and declination
WDS-ID:	19460+0415	WDS designation
Discoverer Code:	VSP59AA,AB	Discover designation and components
ADS number:	12882	Aitken Double Star catalog
HD number:	186704	HD catalog number
Hipparcos number:	97255	Hipparcos catalog number
V1:	5.9	Magnitude of the primary
V2:	10.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	VSP2022b	Reference

Double Star Orbit for VSP59AA,AB

WDS 6th Orbit including measures of VSP59AA,AB

-- 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 VSP59AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.205    12.21
--------------------------
2015.32    0.308   191.91
2015.42    0.312   192.06
2015.52    0.315   192.22
2015.62    0.318   192.37
2015.72    0.320   192.52
2015.82    0.323   192.67
2015.92    0.325   192.81
2016.02    0.327   192.96
2016.12    0.329   193.10
2016.22    0.331   193.24
2016.32    0.333   193.38
2016.42    0.334   193.51
2016.52    0.335   193.65
2016.62    0.336   193.78
2016.72    0.337   193.92
2016.82    0.338   194.05
2016.92    0.338   194.19
2017.02    0.339   194.32
2017.12    0.339   194.45
2017.22    0.339   194.58
2017.32    0.338   194.72
2017.42    0.338   194.85
2017.52    0.337   194.98
2017.62    0.336   195.12
2017.72    0.335   195.25
2017.82    0.334   195.39
2017.92    0.332   195.53
2018.02    0.331   195.67
2018.12    0.329   195.81
2018.22    0.327   195.95
2018.32    0.325   196.09
2018.42    0.323   196.24
2018.52    0.320   196.38
2018.62    0.317   196.53
2018.72    0.315   196.69
2018.82    0.311   196.84
2018.92    0.308   197.00
2019.02    0.305   197.16
2019.12    0.301   197.33
2019.22    0.297   197.50
2019.32    0.294   197.67
2019.42    0.289   197.85
2019.52    0.285   198.04
2019.62    0.281   198.23
2019.72    0.276   198.42
2019.82    0.271   198.63
2019.92    0.266   198.84
2020.02    0.261   199.06
2020.12    0.256   199.28
2020.22    0.251   199.52
2020.32    0.245   199.77
2020.42    0.240   200.03
2020.52    0.234   200.30
2020.62    0.228   200.59
2020.72    0.221   200.89
2020.82    0.215   201.21
2020.92    0.209   201.55
2021.02    0.202   201.91
2021.12    0.195   202.29
2021.22    0.189   202.71
2021.32    0.182   203.15
2021.42    0.175   203.63
2021.52    0.167   204.15
2021.62    0.160   204.72
2021.72    0.153   205.34
2021.82    0.145   206.03
2021.92    0.138   206.79
2022.02    0.130   207.65
2022.12    0.122   208.61
2022.22    0.114   209.70
2022.32    0.106   210.95
2022.42    0.099   212.40
2022.52    0.091   214.11
2022.62    0.083   216.14
2022.72    0.075   218.60
2022.82    0.067   221.63
2022.92    0.060   225.45
2023.02    0.052   230.35
2023.12    0.045   236.79
2023.22    0.039   245.37
2023.32    0.034   256.77
2023.42    0.031   271.25
2023.52    0.030   287.81
2023.62    0.032   304.05
2023.72    0.035   317.81
2023.82    0.041   328.47
2023.92    0.047   336.47
2024.02    0.054   342.49
2024.12    0.061   347.11
2024.22    0.069   350.72
2024.32    0.077   353.61
2024.42    0.084   355.97
2024.52    0.092   357.93
2024.62    0.100   359.59
2024.72    0.107     1.01
2024.82    0.115     2.24
2024.92    0.122     3.33
2025.02    0.130     4.29
2025.12    0.137     5.15
2025.22    0.144     5.92
2025.32    0.150     6.63
2025.42    0.157     7.28
2025.52    0.163     7.88
2025.62    0.169     8.43
2025.72    0.174     8.95
2025.82    0.179     9.44
2025.92    0.184     9.90
2026.02    0.189    10.34
2026.12    0.193    10.75
2026.22    0.197    11.16
2026.32    0.200    11.54
2026.42    0.203    11.92
2026.52    0.205    12.28
2026.62    0.207    12.64
2026.72    0.209    12.99
2026.82    0.210    13.34
2026.92    0.211    13.68
2027.02    0.211    14.02
2027.12    0.211    14.37
2027.22    0.210    14.71
2027.32    0.209    15.06
2027.42    0.207    15.41
2027.52    0.204    15.77
2027.62    0.202    16.14
2027.72    0.199    16.52
2027.82    0.195    16.92
2027.92    0.191    17.33
2028.02    0.186    17.75
2028.12    0.181    18.20
2028.22    0.176    18.68
2028.32    0.170    19.19
2028.42    0.164    19.73
2028.52    0.158    20.32
2028.62    0.151    20.96
2028.72    0.144    21.66
2028.82    0.137    22.43
2028.92    0.129    23.29
2029.02    0.122    24.26
2029.12    0.114    25.36
2029.22    0.106    26.62
2029.32    0.097    28.11
2029.42    0.089    29.86
2029.52    0.081    31.98
2029.62    0.072    34.60
2029.72    0.064    37.90
2029.82    0.056    42.17
2029.92    0.048    47.88
2030.02    0.041    55.71
2030.12    0.034    66.62
2030.22    0.030    81.55
2030.32    0.028   100.07
2030.42    0.029   119.13
2030.52    0.033   135.19
2030.62    0.039   147.14
2030.72    0.046   155.71
2030.82    0.054   161.91
2030.92    0.062   166.51
2031.02    0.070   170.03
2031.12    0.079   172.80
2031.22    0.087   175.03
2031.32    0.096   176.85
2031.42    0.104   178.38
2031.52    0.113   179.68
2031.62    0.121   180.80
2031.72    0.129   181.77
2031.82    0.138   182.62
2031.92    0.146   183.38
2032.02    0.154   184.06
2032.12    0.162   184.68
2032.22    0.169   185.23
2032.32    0.177   185.74
2032.42    0.184   186.21
2032.52    0.192   186.64
2032.62    0.199   187.04
2032.72    0.206   187.41
2032.82    0.213   187.75
2032.92    0.220   188.08
2033.02    0.226   188.39
2033.12    0.232   188.68
2033.22    0.239   188.95
2033.32    0.245   189.21
2033.42    0.250   189.46
2033.52    0.256   189.70
2033.62    0.262   189.93
2033.72    0.267   190.15
2033.82    0.272   190.36
2033.92    0.277   190.56
2034.02    0.282   190.75
2034.12    0.286   190.94
2034.22    0.291   191.13
2034.32    0.295   191.30
2034.42    0.299   191.48
2034.52    0.303   191.64
2034.62    0.306   191.81

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 18:08:15