Double Star Calculator - Orbit

Orbital Elements for OCC9011AA,AB

WDS:	OCC9011AA,AB	WDS ID/Discoverer
P:	12.634	Orbital period (years)
a:	0.2732	Semi-major axis (arcseconds)
i:	106.7	Inclination (degrees)
Ω:	243.6	Longitude of ascending node (degrees)
T:	1979.340	Epoch of periastron passage (year)
e:	0.89	Eccentricity
ω:	132.6	Longitude of periastron (degrees)
Start-Year:	2018.683	Year
End-Year:	2031.317	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for OCC9011AA,AB
Position:	063742.71+162357.4	Epoch-2000 right ascension and declination
WDS-ID:	06377+1624	WDS designation
Discoverer Code:	OCC9011AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	47105	HD catalog number
Hipparcos number:	31681	Hipparcos catalog number
V1:	1.9	Magnitude of the primary
V2:	7.5	Magnitude of the secondary
Equinox:		Equinox
Date:	2012	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:	Dru2014	Reference

Double Star Orbit for OCC9011AA,AB

WDS 6th Orbit including measures of OCC9011AA,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 OCC9011AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.366   255.19
--------------------------
2018.68    0.111   287.95
2018.78    0.119   285.85
2018.88    0.128   284.03
2018.98    0.136   282.42
2019.08    0.144   281.00
2019.18    0.152   279.72
2019.28    0.160   278.57
2019.38    0.167   277.53
2019.48    0.175   276.57
2019.58    0.182   275.69
2019.68    0.189   274.89
2019.78    0.196   274.13
2019.88    0.203   273.44
2019.98    0.210   272.78
2020.08    0.216   272.17
2020.18    0.223   271.59
2020.28    0.229   271.05
2020.38    0.236   270.53
2020.48    0.242   270.04
2020.58    0.248   269.57
2020.68    0.253   269.13
2020.78    0.259   268.71
2020.88    0.265   268.30
2020.98    0.270   267.91
2021.08    0.275   267.53
2021.18    0.280   267.17
2021.28    0.285   266.83
2021.38    0.290   266.49
2021.48    0.295   266.16
2021.58    0.300   265.85
2021.68    0.304   265.54
2021.78    0.309   265.25
2021.88    0.313   264.96
2021.98    0.317   264.68
2022.08    0.321   264.41
2022.18    0.325   264.14
2022.28    0.329   263.88
2022.38    0.333   263.62
2022.48    0.336   263.37
2022.58    0.339   263.13
2022.68    0.343   262.89
2022.78    0.346   262.66
2022.88    0.349   262.42
2022.98    0.352   262.20
2023.08    0.355   261.97
2023.18    0.357   261.75
2023.28    0.360   261.54
2023.38    0.362   261.32
2023.48    0.365   261.11
2023.58    0.367   260.90
2023.68    0.369   260.70
2023.78    0.371   260.49
2023.88    0.372   260.29
2023.98    0.374   260.09
2024.08    0.375   259.89
2024.18    0.377   259.70
2024.28    0.378   259.50
2024.38    0.379   259.31
2024.48    0.380   259.11
2024.58    0.381   258.92
2024.68    0.381   258.73
2024.78    0.382   258.54
2024.88    0.382   258.35
2024.98    0.383   258.16
2025.08    0.383   257.97
2025.18    0.383   257.78
2025.28    0.382   257.59
2025.38    0.382   257.39
2025.48    0.381   257.20
2025.58    0.381   257.01
2025.68    0.380   256.82
2025.78    0.379   256.62
2025.88    0.377   256.43
2025.98    0.376   256.23
2026.08    0.374   256.04
2026.18    0.373   255.84
2026.28    0.371   255.63
2026.38    0.368   255.43
2026.48    0.366   255.22
2026.58    0.363   255.01
2026.68    0.361   254.80
2026.78    0.358   254.58
2026.88    0.354   254.37
2026.98    0.351   254.14
2027.08    0.347   253.91
2027.18    0.343   253.68
2027.28    0.339   253.44
2027.38    0.334   253.19
2027.48    0.329   252.94
2027.58    0.324   252.68
2027.68    0.319   252.41
2027.78    0.313   252.13
2027.88    0.306   251.84
2027.98    0.300   251.53
2028.08    0.293   251.22
2028.18    0.285   250.88
2028.28    0.277   250.53
2028.38    0.269   250.16
2028.48    0.260   249.76
2028.58    0.250   249.33
2028.68    0.240   248.87
2028.78    0.229   248.36
2028.88    0.217   247.80
2028.98    0.204   247.17
2029.08    0.190   246.46
2029.18    0.175   245.62
2029.28    0.158   244.62
2029.38    0.139   243.36
2029.48    0.118   241.68
2029.58    0.093   239.17
2029.68    0.064   234.53
2029.78    0.026   218.25
2029.88    0.024    77.11
2029.98    0.042    53.22
2030.08    0.043    38.34
2030.18    0.042    22.93
2030.28    0.041     6.51
2030.38    0.043   350.38
2030.48    0.046   336.12
2030.58    0.052   324.49
2030.68    0.059   315.34
2030.78    0.066   308.20
2030.88    0.075   302.57
2030.98    0.083   298.05
2031.08    0.091   294.37
2031.18    0.100   291.32
2031.28    0.108   288.74

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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.

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Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 15:48:29