Double Star Calculator - Orbit

Orbital Elements for WOR2
WDS: WOR2 WDS ID/Discoverer
P: 24.015 Orbital period (years)
a: 0.36052999999999996 Semi-major axis (arcseconds)
i: 84.605 Inclination (degrees)
Ω: 98.836 Longitude of ascending node (degrees)
T: 2013.130 Epoch of periastron passage (year)
e: 0.2087 Eccentricity
ω: 152.6 Longitude of periastron (degrees)
Start-Year: 2012.9925 Year
End-Year: 2037.0075 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for WOR2
Position: 022846.49+321534.2 Epoch-2000 right ascension and declination
WDS-ID: 02288+3215 WDS designation
Discoverer Code: WOR2 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 11542 Hipparcos catalog number
V1: 10.13 Magnitude of the primary
V2: 10.84 Magnitude of the secondary
Equinox: Equinox
Date: 2016 Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: MnA2019 Reference

Double Star Orbit for WOR2



WDS 6th Orbit including measures of WOR2

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Ephemeris of WOR2
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.420    97.53
--------------------------
2012.99    0.246   275.65
2013.09    0.252   275.94
2013.19    0.257   276.22
2013.29    0.262   276.49
2013.39    0.266   276.74
2013.49    0.271   276.99
2013.59    0.274   277.23
2013.69    0.278   277.47
2013.79    0.281   277.70
2013.89    0.284   277.92
2013.99    0.286   278.14
2014.09    0.288   278.36
2014.19    0.290   278.57
2014.29    0.291   278.79
2014.39    0.292   279.00
2014.49    0.292   279.21
2014.59    0.292   279.42
2014.69    0.292   279.63
2014.79    0.291   279.84
2014.89    0.290   280.05
2014.99    0.289   280.27
2015.09    0.287   280.48
2015.19    0.285   280.70
2015.29    0.283   280.92
2015.39    0.280   281.15
2015.49    0.277   281.38
2015.59    0.274   281.62
2015.69    0.270   281.86
2015.79    0.266   282.11
2015.89    0.262   282.37
2015.99    0.258   282.63
2016.09    0.253   282.91
2016.19    0.248   283.19
2016.29    0.243   283.49
2016.39    0.237   283.80
2016.49    0.232   284.12
2016.59    0.226   284.47
2016.69    0.220   284.83
2016.79    0.214   285.21
2016.89    0.207   285.61
2016.99    0.201   286.04
2017.09    0.194   286.50
2017.19    0.187   287.00
2017.29    0.180   287.53
2017.39    0.173   288.11
2017.49    0.165   288.73
2017.59    0.158   289.42
2017.69    0.151   290.17
2017.79    0.143   291.00
2017.89    0.135   291.93
2017.99    0.128   292.97
2018.09    0.120   294.14
2018.19    0.112   295.47
2018.29    0.104   297.00
2018.39    0.096   298.78
2018.49    0.089   300.88
2018.59    0.081   303.37
2018.69    0.074   306.38
2018.79    0.066   310.06
2018.89    0.059   314.63
2018.99    0.053   320.40
2019.09    0.047   327.72
2019.19    0.042   336.98
2019.29    0.038   348.39
2019.39    0.036     1.58
2019.49    0.036    15.44
2019.59    0.038    28.48
2019.69    0.042    39.63
2019.79    0.047    48.66
2019.89    0.053    55.78
2019.99    0.060    61.38
2020.09    0.067    65.84
2020.19    0.074    69.43
2020.29    0.082    72.36
2020.39    0.090    74.80
2020.49    0.098    76.85
2020.59    0.105    78.59
2020.69    0.113    80.09
2020.79    0.121    81.39
2020.89    0.129    82.54
2020.99    0.137    83.55
2021.09    0.145    84.45
2021.19    0.153    85.26
2021.29    0.160    86.00
2021.39    0.168    86.66
2021.49    0.176    87.27
2021.59    0.183    87.82
2021.69    0.191    88.33
2021.79    0.198    88.80
2021.89    0.206    89.24
2021.99    0.213    89.65
2022.09    0.220    90.03
2022.19    0.228    90.39
2022.29    0.235    90.73
2022.39    0.242    91.04
2022.49    0.248    91.34
2022.59    0.255    91.62
2022.69    0.262    91.89
2022.79    0.268    92.15
2022.89    0.275    92.39
2022.99    0.281    92.62
2023.09    0.287    92.84
2023.19    0.294    93.06
2023.29    0.300    93.26
2023.39    0.305    93.46
2023.49    0.311    93.64
2023.59    0.317    93.83
2023.69    0.322    94.00
2023.79    0.328    94.17
2023.89    0.333    94.33
2023.99    0.338    94.49
2024.09    0.343    94.65
2024.19    0.348    94.80
2024.29    0.353    94.94
2024.39    0.357    95.09
2024.49    0.362    95.22
2024.59    0.366    95.36
2024.69    0.370    95.49
2024.79    0.374    95.62
2024.89    0.378    95.75
2024.99    0.382    95.87
2025.09    0.386    95.99
2025.19    0.389    96.11
2025.29    0.393    96.23
2025.39    0.396    96.34
2025.49    0.399    96.46
2025.59    0.402    96.57
2025.69    0.404    96.68
2025.79    0.407    96.79
2025.89    0.409    96.90
2025.99    0.412    97.00
2026.09    0.414    97.11
2026.19    0.416    97.21
2026.29    0.417    97.32
2026.39    0.419    97.42
2026.49    0.420    97.52
2026.59    0.422    97.62
2026.69    0.423    97.72
2026.79    0.424    97.82
2026.89    0.424    97.92
2026.99    0.425    98.02
2027.09    0.425    98.12
2027.19    0.426    98.22
2027.29    0.426    98.32
2027.39    0.426    98.42
2027.49    0.425    98.52
2027.59    0.425    98.61
2027.69    0.424    98.71
2027.79    0.423    98.81
2027.89    0.422    98.91
2027.99    0.421    99.01
2028.09    0.420    99.12
2028.19    0.418    99.22
2028.29    0.417    99.32
2028.39    0.415    99.42
2028.49    0.413    99.53
2028.59    0.411    99.63
2028.69    0.408    99.74
2028.79    0.406    99.85
2028.89    0.403    99.96
2028.99    0.400   100.07
2029.09    0.397   100.18
2029.19    0.393   100.30
2029.29    0.390   100.42
2029.39    0.386   100.53
2029.49    0.382   100.66
2029.59    0.378   100.78
2029.69    0.374   100.91
2029.79    0.369   101.04
2029.89    0.365   101.17
2029.99    0.360   101.31
2030.09    0.355   101.45
2030.19    0.350   101.59
2030.29    0.344   101.74
2030.39    0.339   101.89
2030.49    0.333   102.05
2030.59    0.327   102.22
2030.69    0.321   102.39
2030.79    0.315   102.56
2030.89    0.308   102.75
2030.99    0.302   102.94
2031.09    0.295   103.14
2031.19    0.288   103.35
2031.29    0.281   103.57
2031.39    0.273   103.81
2031.49    0.266   104.05
2031.59    0.258   104.32
2031.69    0.250   104.59
2031.79    0.242   104.89
2031.89    0.234   105.20
2031.99    0.226   105.54
2032.09    0.218   105.91
2032.19    0.209   106.30
2032.29    0.200   106.73
2032.39    0.192   107.19
2032.49    0.183   107.71
2032.59    0.173   108.27
2032.69    0.164   108.90
2032.79    0.155   109.60
2032.89    0.146   110.40
2032.99    0.136   111.30
2033.09    0.126   112.35
2033.19    0.117   113.56
2033.29    0.107   114.99
2033.39    0.098   116.70
2033.49    0.088   118.79
2033.59    0.078   121.40
2033.69    0.069   124.72
2033.79    0.060   129.09
2033.89    0.051   135.01
2033.99    0.043   143.29
2034.09    0.036   155.03
2034.19    0.031   171.25
2034.29    0.030   191.06
2034.39    0.032   210.59
2034.49    0.037   226.22
2034.59    0.044   237.45
2034.69    0.052   245.37
2034.79    0.061   251.06
2034.89    0.070   255.27
2034.99    0.079   258.50
2035.09    0.089   261.04
2035.19    0.099   263.08
2035.29    0.108   264.76
2035.39    0.118   266.17
2035.49    0.127   267.37
2035.59    0.136   268.41
2035.69    0.146   269.31
2035.79    0.155   270.11
2035.89    0.163   270.81
2035.99    0.172   271.45
2036.09    0.181   272.03
2036.19    0.189   272.55
2036.29    0.197   273.04
2036.39    0.205   273.48
2036.49    0.212   273.89
2036.59    0.219   274.28
2036.69    0.226   274.64
2036.79    0.233   274.98
2036.89    0.239   275.30
2036.99    0.245   275.61



 

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 15:00:41


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