Double Star Calculator - Orbit

Orbital Elements for HUT1CA,CB

WDS:	HUT1CA,CB	WDS ID/Discoverer
P:	17.200	Orbital period (years)
a:	0.377	Semi-major axis (arcseconds)
i:	144.097	Inclination (degrees)
Ω:	68.62	Longitude of ascending node (degrees)
T:	1983.159	Epoch of periastron passage (year)
e:	0.101	Eccentricity
ω:	342.733	Longitude of periastron (degrees)
Start-Year:	2016.4	Year
End-Year:	2033.6	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HUT1CA,CB
Position:	081213.27+173851.6	Epoch-2000 right ascension and declination
WDS-ID:	08122+1739	WDS designation
Discoverer Code:	HUT1CA,CB	Discover designation and components
ADS number:	6650	Aitken Double Star catalog
HD number:	68256	HD catalog number
Hipparcos number:	40167	Hipparcos catalog number
V1:	6.2	Magnitude of the primary
V2:	7.1	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	JAA2023	Reference

Double Star Orbit for HUT1CA,CB

WDS 6th Orbit including measures of HUT1CA,CB

-- 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 HUT1CA,CB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.412   257.90
--------------------------
2016.40    0.310   109.49
2016.50    0.312   107.01
2016.60    0.315   104.57
2016.70    0.317   102.16
2016.80    0.319    99.79
2016.90    0.321    97.45
2017.00    0.323    95.15
2017.10    0.325    92.87
2017.20    0.327    90.62
2017.30    0.329    88.40
2017.40    0.331    86.20
2017.50    0.333    84.03
2017.60    0.334    81.87
2017.70    0.336    79.74
2017.80    0.337    77.62
2017.90    0.338    75.51
2018.00    0.339    73.42
2018.10    0.340    71.34
2018.20    0.340    69.26
2018.30    0.341    67.19
2018.40    0.341    65.13
2018.50    0.341    63.06
2018.60    0.341    61.00
2018.70    0.340    58.93
2018.80    0.340    56.86
2018.90    0.339    54.78
2019.00    0.339    52.70
2019.10    0.338    50.60
2019.20    0.337    48.49
2019.30    0.336    46.37
2019.40    0.334    44.23
2019.50    0.333    42.08
2019.60    0.332    39.91
2019.70    0.330    37.72
2019.80    0.328    35.50
2019.90    0.327    33.27
2020.00    0.325    31.02
2020.10    0.324    28.74
2020.20    0.322    26.44
2020.30    0.321    24.12
2020.40    0.319    21.78
2020.50    0.317    19.41
2020.60    0.316    17.02
2020.70    0.315    14.61
2020.80    0.313    12.18
2020.90    0.312     9.73
2021.00    0.311     7.27
2021.10    0.310     4.78
2021.20    0.310     2.29
2021.30    0.309   359.79
2021.40    0.309   357.28
2021.50    0.309   354.76
2021.60    0.309   352.24
2021.70    0.309   349.73
2021.80    0.309   347.21
2021.90    0.310   344.71
2022.00    0.310   342.21
2022.10    0.311   339.72
2022.20    0.312   337.26
2022.30    0.314   334.81
2022.40    0.315   332.38
2022.50    0.317   329.97
2022.60    0.318   327.60
2022.70    0.320   325.25
2022.80    0.322   322.92
2022.90    0.325   320.64
2023.00    0.327   318.38
2023.10    0.330   316.15
2023.20    0.332   313.97
2023.30    0.335   311.81
2023.40    0.338   309.69
2023.50    0.341   307.61
2023.60    0.344   305.56
2023.70    0.347   303.55
2023.80    0.350   301.57
2023.90    0.353   299.62
2024.00    0.356   297.71
2024.10    0.359   295.84
2024.20    0.362   293.99
2024.30    0.365   292.18
2024.40    0.368   290.39
2024.50    0.371   288.64
2024.60    0.374   286.91
2024.70    0.377   285.21
2024.80    0.380   283.54
2024.90    0.383   281.89
2025.00    0.385   280.27
2025.10    0.388   278.66
2025.20    0.391   277.08
2025.30    0.393   275.52
2025.40    0.395   273.98
2025.50    0.398   272.45
2025.60    0.400   270.94
2025.70    0.402   269.45
2025.80    0.403   267.97
2025.90    0.405   266.50
2026.00    0.407   265.05
2026.10    0.408   263.60
2026.20    0.409   262.16
2026.30    0.410   260.74
2026.40    0.411   259.32
2026.50    0.412   257.90
2026.60    0.413   256.49
2026.70    0.413   255.09
2026.80    0.413   253.68
2026.90    0.413   252.28
2027.00    0.413   250.88
2027.10    0.413   249.47
2027.20    0.413   248.07
2027.30    0.412   246.66
2027.40    0.412   245.25
2027.50    0.411   243.83
2027.60    0.410   242.40
2027.70    0.408   240.97
2027.80    0.407   239.53
2027.90    0.405   238.07
2028.00    0.404   236.61
2028.10    0.402   235.13
2028.20    0.400   233.63
2028.30    0.397   232.13
2028.40    0.395   230.60
2028.50    0.393   229.05
2028.60    0.390   227.49
2028.70    0.387   225.90
2028.80    0.384   224.29
2028.90    0.381   222.65
2029.00    0.378   220.99
2029.10    0.375   219.30
2029.20    0.372   217.58
2029.30    0.368   215.83
2029.40    0.365   214.05
2029.50    0.361   212.23
2029.60    0.358   210.37
2029.70    0.354   208.48
2029.80    0.350   206.55
2029.90    0.347   204.58
2030.00    0.343   202.57
2030.10    0.339   200.51
2030.20    0.336   198.40
2030.30    0.332   196.26
2030.40    0.329   194.06
2030.50    0.325   191.82
2030.60    0.322   189.53
2030.70    0.319   187.19
2030.80    0.315   184.80
2030.90    0.312   182.37
2031.00    0.309   179.89
2031.10    0.307   177.36
2031.20    0.304   174.80
2031.30    0.302   172.18
2031.40    0.300   169.53
2031.50    0.298   166.85
2031.60    0.296   164.13
2031.70    0.295   161.38
2031.80    0.293   158.61
2031.90    0.293   155.82
2032.00    0.292   153.01
2032.10    0.291   150.19
2032.20    0.291   147.36
2032.30    0.291   144.53
2032.40    0.292   141.71
2032.50    0.292   138.89
2032.60    0.293   136.09
2032.70    0.294   133.30
2032.80    0.295   130.54
2032.90    0.296   127.80
2033.00    0.298   125.09
2033.10    0.300   122.40
2033.20    0.302   119.75
2033.30    0.304   117.13
2033.40    0.306   114.55
2033.50    0.308   112.00

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 16:05:16