Double Star Calculator - Orbit

Orbital Elements for HDS32

WDS:	HDS32	WDS ID/Discoverer
P:	15.272	Orbital period (years)
a:	0.2233	Semi-major axis (arcseconds)
i:	159.6	Inclination (degrees)
Ω:	101.2	Longitude of ascending node (degrees)
T:	2009.080	Epoch of periastron passage (year)
e:	0.242	Eccentricity
ω:	266.0	Longitude of periastron (degrees)
Start-Year:	2017.364	Year
End-Year:	2032.636	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS32
Position:	001329.10-364943.0	Epoch-2000 right ascension and declination
WDS-ID:	00135-3650	WDS designation
Discoverer Code:	HDS32	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	1083	Hipparcos catalog number
V1:	11.35	Magnitude of the primary
V2:	11.93	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:		Flags
Ephemerides:		Ephemerides
Code:	Tok2024c	Reference

Double Star Orbit for HDS32

WDS 6th Orbit including measures of HDS32

-- 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 HDS32

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.198   117.94
--------------------------
2017.36    0.259     5.19
2017.46    0.259     3.59
2017.56    0.258     1.99
2017.66    0.258     0.39
2017.76    0.258   358.78
2017.86    0.257   357.17
2017.96    0.257   355.55
2018.06    0.256   353.93
2018.16    0.256   352.30
2018.26    0.255   350.66
2018.36    0.255   349.01
2018.46    0.254   347.36
2018.56    0.253   345.70
2018.66    0.253   344.03
2018.76    0.252   342.35
2018.86    0.251   340.66
2018.96    0.250   338.97
2019.06    0.250   337.26
2019.16    0.249   335.53
2019.26    0.248   333.80
2019.36    0.247   332.05
2019.46    0.246   330.29
2019.56    0.245   328.51
2019.66    0.244   326.72
2019.76    0.243   324.91
2019.86    0.241   323.09
2019.96    0.240   321.24
2020.06    0.239   319.38
2020.16    0.238   317.50
2020.26    0.236   315.59
2020.36    0.235   313.66
2020.46    0.233   311.71
2020.56    0.232   309.73
2020.66    0.230   307.72
2020.76    0.228   305.69
2020.86    0.227   303.62
2020.96    0.225   301.53
2021.06    0.223   299.40
2021.16    0.221   297.23
2021.26    0.219   295.03
2021.36    0.217   292.78
2021.46    0.215   290.50
2021.56    0.213   288.17
2021.66    0.211   285.79
2021.76    0.209   283.36
2021.86    0.206   280.88
2021.96    0.204   278.34
2022.06    0.202   275.75
2022.16    0.199   273.09
2022.26    0.197   270.37
2022.36    0.194   267.58
2022.46    0.192   264.72
2022.56    0.190   261.78
2022.66    0.187   258.76
2022.76    0.185   255.67
2022.86    0.182   252.49
2022.96    0.180   249.22
2023.06    0.177   245.87
2023.16    0.175   242.42
2023.26    0.173   238.89
2023.36    0.171   235.26
2023.46    0.169   231.54
2023.56    0.167   227.74
2023.66    0.165   223.86
2023.76    0.163   219.89
2023.86    0.162   215.86
2023.96    0.161   211.76
2024.06    0.160   207.61
2024.16    0.159   203.42
2024.26    0.159   199.20
2024.36    0.159   194.96
2024.46    0.159   190.71
2024.56    0.159   186.48
2024.66    0.160   182.27
2024.76    0.160   178.09
2024.86    0.161   173.96
2024.96    0.163   169.89
2025.06    0.164   165.89
2025.16    0.166   161.96
2025.26    0.168   158.11
2025.36    0.170   154.35
2025.46    0.172   150.68
2025.56    0.174   147.11
2025.66    0.176   143.62
2025.76    0.179   140.23
2025.86    0.181   136.93
2025.96    0.184   133.72
2026.06    0.186   130.60
2026.16    0.189   127.56
2026.26    0.192   124.61
2026.36    0.194   121.73
2026.46    0.197   118.93
2026.56    0.199   116.20
2026.66    0.202   113.55
2026.76    0.204   110.95
2026.86    0.207   108.42
2026.96    0.209   105.95
2027.06    0.212   103.54
2027.16    0.214   101.17
2027.26    0.216    98.86
2027.36    0.218    96.59
2027.46    0.220    94.37
2027.56    0.223    92.19
2027.66    0.225    90.06
2027.76    0.226    87.95
2027.86    0.228    85.89
2027.96    0.230    83.85
2028.06    0.232    81.85
2028.16    0.234    79.88
2028.26    0.235    77.94
2028.36    0.237    76.02
2028.46    0.238    74.12
2028.56    0.240    72.25
2028.66    0.241    70.41
2028.76    0.243    68.58
2028.86    0.244    66.77
2028.96    0.245    64.98
2029.06    0.246    63.21
2029.16    0.247    61.45
2029.26    0.248    59.71
2029.36    0.249    57.99
2029.46    0.250    56.27
2029.56    0.251    54.57
2029.66    0.252    52.88
2029.76    0.253    51.20
2029.86    0.254    49.54
2029.96    0.254    47.88
2030.06    0.255    46.23
2030.16    0.256    44.59
2030.26    0.256    42.95
2030.36    0.257    41.33
2030.46    0.257    39.71
2030.56    0.258    38.09
2030.66    0.258    36.48
2030.76    0.258    34.88
2030.86    0.259    33.28
2030.96    0.259    31.68
2031.06    0.259    30.09
2031.16    0.259    28.50
2031.26    0.260    26.92
2031.36    0.260    25.33
2031.46    0.260    23.75
2031.56    0.260    22.17
2031.66    0.260    20.59
2031.76    0.260    19.01
2031.86    0.260    17.43
2031.96    0.260    15.85
2032.06    0.260    14.26
2032.16    0.260    12.68
2032.26    0.260    11.10
2032.36    0.260     9.51
2032.46    0.259     7.93
2032.56    0.259     6.34

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 14:36:59