Double Star Calculator - Orbit

Orbital Elements for HDS2492

WDS:	HDS2492	WDS ID/Discoverer
P:	21.480	Orbital period (years)
a:	0.1027	Semi-major axis (arcseconds)
i:	26.9	Inclination (degrees)
Ω:	220.0	Longitude of ascending node (degrees)
T:	2006.470	Epoch of periastron passage (year)
e:	0.392	Eccentricity
ω:	15.0	Longitude of periastron (degrees)
Start-Year:	2014.26	Year
End-Year:	2035.74	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2492
Position:	173844.87-215445.4	Epoch-2000 right ascension and declination
WDS-ID:	17387-2155	WDS designation
Discoverer Code:	HDS2492	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	160042	HD catalog number
Hipparcos number:	86352	Hipparcos catalog number
V1:	6.60	Magnitude of the primary
V2:	8.04	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Msn2023	Reference

Double Star Orbit for HDS2492

WDS 6th Orbit including measures of HDS2492

-- 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 HDS2492

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.068   182.91
--------------------------
2014.26    0.135    31.63
2014.36    0.135    32.43
2014.46    0.136    33.21
2014.56    0.137    34.00
2014.66    0.137    34.77
2014.76    0.138    35.54
2014.86    0.138    36.30
2014.96    0.138    37.06
2015.06    0.139    37.82
2015.16    0.139    38.57
2015.26    0.140    39.32
2015.36    0.140    40.06
2015.46    0.140    40.80
2015.56    0.141    41.53
2015.66    0.141    42.27
2015.76    0.141    43.00
2015.86    0.141    43.73
2015.96    0.141    44.45
2016.06    0.142    45.17
2016.16    0.142    45.90
2016.26    0.142    46.62
2016.36    0.142    47.34
2016.46    0.142    48.06
2016.56    0.142    48.77
2016.66    0.142    49.49
2016.76    0.142    50.21
2016.86    0.142    50.93
2016.96    0.142    51.64
2017.06    0.142    52.36
2017.16    0.142    53.08
2017.26    0.142    53.80
2017.36    0.142    54.52
2017.46    0.142    55.24
2017.56    0.141    55.97
2017.66    0.141    56.69
2017.76    0.141    57.42
2017.86    0.141    58.15
2017.96    0.141    58.88
2018.06    0.140    59.62
2018.16    0.140    60.35
2018.26    0.140    61.10
2018.36    0.139    61.84
2018.46    0.139    62.59
2018.56    0.139    63.34
2018.66    0.138    64.10
2018.76    0.138    64.86
2018.86    0.137    65.63
2018.96    0.137    66.40
2019.06    0.136    67.18
2019.16    0.136    67.96
2019.26    0.135    68.75
2019.36    0.135    69.55
2019.46    0.134    70.35
2019.56    0.134    71.16
2019.66    0.133    71.98
2019.76    0.132    72.81
2019.86    0.132    73.64
2019.96    0.131    74.48
2020.06    0.130    75.33
2020.16    0.130    76.19
2020.26    0.129    77.06
2020.36    0.128    77.94
2020.46    0.127    78.83
2020.56    0.126    79.73
2020.66    0.126    80.64
2020.76    0.125    81.57
2020.86    0.124    82.51
2020.96    0.123    83.46
2021.06    0.122    84.42
2021.16    0.121    85.40
2021.26    0.120    86.39
2021.36    0.119    87.40
2021.46    0.119    88.42
2021.56    0.118    89.46
2021.66    0.117    90.52
2021.76    0.116    91.60
2021.86    0.115    92.69
2021.96    0.114    93.80
2022.06    0.113    94.94
2022.16    0.112    96.09
2022.26    0.110    97.27
2022.36    0.109    98.47
2022.46    0.108    99.70
2022.56    0.107   100.94
2022.66    0.106   102.22
2022.76    0.105   103.52
2022.86    0.104   104.85
2022.96    0.103   106.21
2023.06    0.102   107.59
2023.16    0.101   109.01
2023.26    0.099   110.46
2023.36    0.098   111.95
2023.46    0.097   113.47
2023.56    0.096   115.03
2023.66    0.095   116.62
2023.76    0.094   118.26
2023.86    0.093   119.93
2023.96    0.091   121.65
2024.06    0.090   123.40
2024.16    0.089   125.21
2024.26    0.088   127.06
2024.36    0.087   128.96
2024.46    0.086   130.90
2024.56    0.085   132.90
2024.66    0.084   134.95
2024.76    0.083   137.05
2024.86    0.081   139.21
2024.96    0.080   141.42
2025.06    0.079   143.69
2025.16    0.078   146.02
2025.26    0.078   148.40
2025.36    0.077   150.84
2025.46    0.076   153.35
2025.56    0.075   155.91
2025.66    0.074   158.54
2025.76    0.073   161.22
2025.86    0.072   163.96
2025.96    0.072   166.77
2026.06    0.071   169.63
2026.16    0.070   172.55
2026.26    0.069   175.53
2026.36    0.069   178.57
2026.46    0.068   181.66
2026.56    0.068   184.81
2026.66    0.067   188.01
2026.76    0.067   191.26
2026.86    0.066   194.56
2026.96    0.066   197.91
2027.06    0.065   201.31
2027.16    0.065   204.76
2027.26    0.064   208.25
2027.36    0.064   211.78
2027.46    0.063   215.36
2027.56    0.063   218.98
2027.66    0.063   222.64
2027.76    0.063   226.33
2027.86    0.062   230.06
2027.96    0.062   233.82
2028.06    0.062   237.60
2028.16    0.062   241.42
2028.26    0.061   245.25
2028.36    0.061   249.09
2028.46    0.061   252.94
2028.56    0.061   256.80
2028.66    0.061   260.65
2028.76    0.062   264.48
2028.86    0.062   268.29
2028.96    0.062   272.07
2029.06    0.062   275.81
2029.16    0.063   279.50
2029.26    0.063   283.13
2029.36    0.064   286.70
2029.46    0.065   290.20
2029.56    0.065   293.63
2029.66    0.066   296.97
2029.76    0.067   300.23
2029.86    0.068   303.41
2029.96    0.069   306.49
2030.06    0.070   309.48
2030.16    0.071   312.38
2030.26    0.072   315.18
2030.36    0.074   317.90
2030.46    0.075   320.53
2030.56    0.076   323.07
2030.66    0.078   325.52
2030.76    0.079   327.90
2030.86    0.080   330.19
2030.96    0.082   332.41
2031.06    0.083   334.55
2031.16    0.084   336.62
2031.26    0.086   338.62
2031.36    0.087   340.56
2031.46    0.089   342.44
2031.56    0.090   344.26
2031.66    0.091   346.02
2031.76    0.093   347.72
2031.86    0.094   349.38
2031.96    0.096   350.99
2032.06    0.097   352.55
2032.16    0.098   354.07
2032.26    0.100   355.54
2032.36    0.101   356.98
2032.46    0.103   358.38
2032.56    0.104   359.74
2032.66    0.105     1.07
2032.76    0.106     2.36
2032.86    0.108     3.63
2032.96    0.109     4.86
2033.06    0.110     6.07
2033.16    0.111     7.25
2033.26    0.113     8.40
2033.36    0.114     9.54
2033.46    0.115    10.65
2033.56    0.116    11.73
2033.66    0.117    12.80
2033.76    0.118    13.85
2033.86    0.119    14.87
2033.96    0.120    15.88
2034.06    0.121    16.88
2034.16    0.122    17.85
2034.26    0.123    18.81
2034.36    0.124    19.76
2034.46    0.125    20.69
2034.56    0.126    21.61
2034.66    0.127    22.52
2034.76    0.128    23.41
2034.86    0.129    24.29
2034.96    0.129    25.16
2035.06    0.130    26.02
2035.16    0.131    26.87
2035.26    0.132    27.71
2035.36    0.132    28.55
2035.46    0.133    29.37
2035.56    0.134    30.18
2035.66    0.134    30.99

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 17:41:30