Double Star Calculator - Orbit

Orbital Elements for HU1247

WDS:	HU1247	WDS ID/Discoverer
P:	18.755	Orbital period (years)
a:	0.2235	Semi-major axis (arcseconds)
i:	122.59	Inclination (degrees)
Ω:	72.02	Longitude of ascending node (degrees)
T:	1990.722	Epoch of periastron passage (year)
e:	0.4762	Eccentricity
ω:	288.95	Longitude of periastron (degrees)
Start-Year:	2015.6225	Year
End-Year:	2034.3775	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1247
Position:	074757.25+601746.5	Epoch-2000 right ascension and declination
WDS-ID:	07480+6018	WDS designation
Discoverer Code:	HU1247	Discover designation and components
ADS number:	6354	Aitken Double Star catalog
HD number:	62522	HD catalog number
Hipparcos number:	38052	Hipparcos catalog number
V1:	7.58	Magnitude of the primary
V2:	8.34	Magnitude of the secondary
Equinox:	2000	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:	Hrt1996a	Reference

Double Star Orbit for HU1247

WDS 6th Orbit including measures of HU1247

-- 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 HU1247

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.152   237.51
--------------------------
2015.62    0.166   356.06
2015.72    0.166   354.40
2015.82    0.166   352.75
2015.92    0.166   351.11
2016.02    0.167   349.47
2016.12    0.167   347.84
2016.22    0.168   346.22
2016.32    0.168   344.61
2016.42    0.169   343.01
2016.52    0.170   341.43
2016.62    0.170   339.86
2016.72    0.171   338.30
2016.82    0.172   336.76
2016.92    0.173   335.24
2017.02    0.174   333.73
2017.12    0.175   332.24
2017.22    0.176   330.76
2017.32    0.177   329.31
2017.42    0.178   327.87
2017.52    0.180   326.46
2017.62    0.181   325.06
2017.72    0.182   323.69
2017.82    0.184   322.33
2017.92    0.185   321.00
2018.02    0.187   319.68
2018.12    0.188   318.38
2018.22    0.189   317.11
2018.32    0.191   315.85
2018.42    0.192   314.62
2018.52    0.194   313.40
2018.62    0.196   312.21
2018.72    0.197   311.03
2018.82    0.199   309.87
2018.92    0.200   308.73
2019.02    0.202   307.61
2019.12    0.204   306.51
2019.22    0.205   305.42
2019.32    0.207   304.35
2019.42    0.209   303.30
2019.52    0.210   302.26
2019.62    0.212   301.24
2019.72    0.213   300.24
2019.82    0.215   299.25
2019.92    0.217   298.27
2020.02    0.218   297.31
2020.12    0.220   296.36
2020.22    0.221   295.43
2020.32    0.223   294.51
2020.42    0.224   293.60
2020.52    0.226   292.70
2020.62    0.227   291.81
2020.72    0.228   290.94
2020.82    0.230   290.07
2020.92    0.231   289.22
2021.02    0.232   288.37
2021.12    0.234   287.54
2021.22    0.235   286.71
2021.32    0.236   285.89
2021.42    0.237   285.08
2021.52    0.238   284.28
2021.62    0.239   283.48
2021.72    0.240   282.69
2021.82    0.241   281.90
2021.92    0.242   281.12
2022.02    0.243   280.35
2022.12    0.243   279.58
2022.22    0.244   278.81
2022.32    0.244   278.05
2022.42    0.245   277.29
2022.52    0.245   276.54
2022.62    0.246   275.78
2022.72    0.246   275.03
2022.82    0.246   274.28
2022.92    0.246   273.53
2023.02    0.246   272.78
2023.12    0.246   272.03
2023.22    0.246   271.28
2023.32    0.245   270.52
2023.42    0.245   269.77
2023.52    0.244   269.01
2023.62    0.244   268.25
2023.72    0.243   267.48
2023.82    0.242   266.71
2023.92    0.241   265.93
2024.02    0.240   265.14
2024.12    0.238   264.35
2024.22    0.237   263.55
2024.32    0.235   262.73
2024.42    0.234   261.91
2024.52    0.232   261.07
2024.62    0.230   260.22
2024.72    0.227   259.35
2024.82    0.225   258.46
2024.92    0.222   257.55
2025.02    0.220   256.62
2025.12    0.217   255.67
2025.22    0.214   254.69
2025.32    0.210   253.68
2025.42    0.207   252.63
2025.52    0.203   251.55
2025.62    0.199   250.42
2025.72    0.194   249.25
2025.82    0.190   248.02
2025.92    0.185   246.72
2026.02    0.180   245.36
2026.12    0.175   243.92
2026.22    0.169   242.38
2026.32    0.163   240.74
2026.42    0.157   238.98
2026.52    0.151   237.06
2026.62    0.144   234.98
2026.72    0.138   232.69
2026.82    0.130   230.16
2026.92    0.123   227.34
2027.02    0.116   224.15
2027.12    0.108   220.53
2027.22    0.101   216.36
2027.32    0.093   211.54
2027.42    0.086   205.90
2027.52    0.080   199.29
2027.62    0.074   191.55
2027.72    0.069   182.63
2027.82    0.066   172.59
2027.92    0.064   161.78
2028.02    0.064   150.74
2028.12    0.067   140.11
2028.22    0.070   130.37
2028.32    0.075   121.77
2028.42    0.081   114.33
2028.52    0.088   107.93
2028.62    0.094   102.44
2028.72    0.101    97.67
2028.82    0.108    93.51
2028.92    0.114    89.83
2029.02    0.121    86.53
2029.12    0.126    83.56
2029.22    0.132    80.84
2029.32    0.137    78.33
2029.42    0.142    76.00
2029.52    0.146    73.81
2029.62    0.150    71.74
2029.72    0.154    69.78
2029.82    0.157    67.90
2029.92    0.160    66.09
2030.02    0.163    64.34
2030.12    0.165    62.65
2030.22    0.167    61.00
2030.32    0.169    59.39
2030.42    0.170    57.80
2030.52    0.171    56.25
2030.62    0.172    54.71
2030.72    0.173    53.19
2030.82    0.174    51.69
2030.92    0.175    50.19
2031.02    0.175    48.71
2031.12    0.175    47.23
2031.22    0.175    45.75
2031.32    0.176    44.28
2031.42    0.175    42.81
2031.52    0.175    41.33
2031.62    0.175    39.85
2031.72    0.175    38.37
2031.82    0.174    36.88
2031.92    0.174    35.38
2032.02    0.174    33.88
2032.12    0.173    32.36
2032.22    0.173    30.84
2032.32    0.172    29.32
2032.42    0.172    27.78
2032.52    0.171    26.23
2032.62    0.170    24.67
2032.72    0.170    23.10
2032.82    0.169    21.52
2032.92    0.169    19.93
2033.02    0.168    18.33
2033.12    0.168    16.73
2033.22    0.167    15.11
2033.32    0.167    13.49
2033.42    0.167    11.85
2033.52    0.166    10.21
2033.62    0.166     8.57
2033.72    0.166     6.92
2033.82    0.166     5.26
2033.92    0.165     3.61
2034.02    0.165     1.95
2034.12    0.165     0.29
2034.22    0.165   358.63
2034.32    0.166   356.97

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 16:01:53