Double Star Calculator - Orbit

Orbital Elements for HDS889

WDS:	HDS889	WDS ID/Discoverer
P:	34.070	Orbital period (years)
a:	0.105	Semi-major axis (arcseconds)
i:	135.4	Inclination (degrees)
Ω:	58.5	Longitude of ascending node (degrees)
T:	2001.610	Epoch of periastron passage (year)
e:	0.65	Eccentricity
ω:	71.8	Longitude of periastron (degrees)
Start-Year:	2007.965	Year
End-Year:	2042.035	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS889
Position:	063112.32-703057.9	Epoch-2000 right ascension and declination
WDS-ID:	06312-7031	WDS designation
Discoverer Code:	HDS889	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	47213	HD catalog number
Hipparcos number:	31071	Hipparcos catalog number
V1:	7.95	Magnitude of the primary
V2:	8.65	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2023	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for HDS889

WDS 6th Orbit including measures of HDS889

-- 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 HDS889

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.105   137.66
--------------------------
2007.96    0.112   214.67
2008.06    0.113   214.17
2008.16    0.114   213.68
2008.26    0.114   213.19
2008.36    0.115   212.71
2008.46    0.115   212.24
2008.56    0.116   211.77
2008.66    0.117   211.30
2008.76    0.117   210.84
2008.86    0.118   210.38
2008.96    0.118   209.93
2009.06    0.119   209.48
2009.16    0.119   209.04
2009.26    0.120   208.60
2009.36    0.120   208.16
2009.46    0.121   207.73
2009.56    0.121   207.30
2009.66    0.122   206.87
2009.76    0.122   206.45
2009.86    0.123   206.03
2009.96    0.123   205.61
2010.06    0.123   205.19
2010.16    0.124   204.78
2010.26    0.124   204.37
2010.36    0.125   203.96
2010.46    0.125   203.56
2010.56    0.125   203.15
2010.66    0.126   202.75
2010.76    0.126   202.36
2010.86    0.126   201.96
2010.96    0.127   201.57
2011.06    0.127   201.17
2011.16    0.127   200.78
2011.26    0.127   200.39
2011.36    0.128   200.01
2011.46    0.128   199.62
2011.56    0.128   199.24
2011.66    0.129   198.85
2011.76    0.129   198.47
2011.86    0.129   198.09
2011.96    0.129   197.72
2012.06    0.129   197.34
2012.16    0.130   196.96
2012.26    0.130   196.59
2012.36    0.130   196.21
2012.46    0.130   195.84
2012.56    0.130   195.47
2012.66    0.131   195.10
2012.76    0.131   194.73
2012.86    0.131   194.36
2012.96    0.131   193.99
2013.06    0.131   193.63
2013.16    0.131   193.26
2013.26    0.131   192.90
2013.36    0.131   192.53
2013.46    0.132   192.17
2013.56    0.132   191.80
2013.66    0.132   191.44
2013.76    0.132   191.08
2013.86    0.132   190.71
2013.96    0.132   190.35
2014.06    0.132   189.99
2014.16    0.132   189.63
2014.26    0.132   189.27
2014.36    0.132   188.91
2014.46    0.132   188.55
2014.56    0.132   188.19
2014.66    0.132   187.83
2014.76    0.132   187.47
2014.86    0.132   187.11
2014.96    0.132   186.75
2015.06    0.132   186.39
2015.16    0.132   186.03
2015.26    0.132   185.67
2015.36    0.132   185.31
2015.46    0.132   184.95
2015.56    0.132   184.59
2015.66    0.132   184.23
2015.76    0.132   183.87
2015.86    0.132   183.51
2015.96    0.132   183.15
2016.06    0.132   182.79
2016.16    0.132   182.42
2016.26    0.132   182.06
2016.36    0.132   181.70
2016.46    0.132   181.34
2016.56    0.132   180.98
2016.66    0.132   180.61
2016.76    0.132   180.25
2016.86    0.132   179.88
2016.96    0.131   179.52
2017.06    0.131   179.15
2017.16    0.131   178.79
2017.26    0.131   178.42
2017.36    0.131   178.05
2017.46    0.131   177.69
2017.56    0.131   177.32
2017.66    0.131   176.95
2017.76    0.130   176.58
2017.86    0.130   176.21
2017.96    0.130   175.84
2018.06    0.130   175.46
2018.16    0.130   175.09
2018.26    0.130   174.72
2018.36    0.130   174.34
2018.46    0.129   173.96
2018.56    0.129   173.59
2018.66    0.129   173.21
2018.76    0.129   172.83
2018.86    0.129   172.45
2018.96    0.128   172.07
2019.06    0.128   171.69
2019.16    0.128   171.30
2019.26    0.128   170.92
2019.36    0.128   170.53
2019.46    0.128   170.15
2019.56    0.127   169.76
2019.66    0.127   169.37
2019.76    0.127   168.98
2019.86    0.127   168.58
2019.96    0.126   168.19
2020.06    0.126   167.80
2020.16    0.126   167.40
2020.26    0.126   167.00
2020.36    0.125   166.60
2020.46    0.125   166.20
2020.56    0.125   165.80
2020.66    0.125   165.39
2020.76    0.124   164.99
2020.86    0.124   164.58
2020.96    0.124   164.17
2021.06    0.124   163.76
2021.16    0.123   163.35
2021.26    0.123   162.93
2021.36    0.123   162.52
2021.46    0.123   162.10
2021.56    0.122   161.68
2021.66    0.122   161.26
2021.76    0.122   160.83
2021.86    0.121   160.40
2021.96    0.121   159.98
2022.06    0.121   159.55
2022.16    0.121   159.11
2022.26    0.120   158.68
2022.36    0.120   158.24
2022.46    0.120   157.80
2022.56    0.119   157.36
2022.66    0.119   156.92
2022.76    0.119   156.47
2022.86    0.118   156.02
2022.96    0.118   155.57
2023.06    0.118   155.12
2023.16    0.117   154.66
2023.26    0.117   154.20
2023.36    0.117   153.74
2023.46    0.116   153.28
2023.56    0.116   152.81
2023.66    0.116   152.34
2023.76    0.115   151.87
2023.86    0.115   151.40
2023.96    0.115   150.92
2024.06    0.114   150.44
2024.16    0.114   149.95
2024.26    0.114   149.47
2024.36    0.113   148.98
2024.46    0.113   148.48
2024.56    0.112   147.99
2024.66    0.112   147.49
2024.76    0.112   146.98
2024.86    0.111   146.48
2024.96    0.111   145.97
2025.06    0.111   145.45
2025.16    0.110   144.94
2025.26    0.110   144.42
2025.36    0.109   143.89
2025.46    0.109   143.36
2025.56    0.109   142.83
2025.66    0.108   142.30
2025.76    0.108   141.76
2025.86    0.107   141.21
2025.96    0.107   140.66
2026.06    0.107   140.11
2026.16    0.106   139.55
2026.26    0.106   138.99
2026.36    0.105   138.43
2026.46    0.105   137.86
2026.56    0.105   137.28
2026.66    0.104   136.70
2026.76    0.104   136.12
2026.86    0.103   135.53
2026.96    0.103   134.94
2027.06    0.102   134.34
2027.16    0.102   133.73
2027.26    0.101   133.12
2027.36    0.101   132.51
2027.46    0.101   131.89
2027.56    0.100   131.26
2027.66    0.100   130.63
2027.76    0.099   129.99
2027.86    0.099   129.35
2027.96    0.098   128.70
2028.06    0.098   128.05
2028.16    0.097   127.38
2028.26    0.097   126.71
2028.36    0.096   126.04
2028.46    0.096   125.36
2028.56    0.095   124.67
2028.66    0.095   123.97
2028.76    0.094   123.27
2028.86    0.094   122.56
2028.96    0.093   121.84
2029.06    0.093   121.12
2029.16    0.092   120.38
2029.26    0.092   119.64
2029.36    0.091   118.89
2029.46    0.091   118.13
2029.56    0.090   117.36
2029.66    0.090   116.58
2029.76    0.089   115.80
2029.86    0.089   115.00
2029.96    0.088   114.20
2030.06    0.088   113.38
2030.16    0.087   112.55
2030.26    0.086   111.71
2030.36    0.086   110.87
2030.46    0.085   110.01
2030.56    0.085   109.13
2030.66    0.084   108.25
2030.76    0.084   107.35
2030.86    0.083   106.44
2030.96    0.082   105.52
2031.06    0.082   104.58
2031.16    0.081   103.62
2031.26    0.080   102.66
2031.36    0.080   101.67
2031.46    0.079   100.67
2031.56    0.078    99.65
2031.66    0.078    98.61
2031.76    0.077    97.56
2031.86    0.076    96.48
2031.96    0.075    95.38
2032.06    0.075    94.27
2032.16    0.074    93.12
2032.26    0.073    91.96
2032.36    0.072    90.76
2032.46    0.071    89.54
2032.56    0.071    88.29
2032.66    0.070    87.01
2032.76    0.069    85.70
2032.86    0.068    84.35
2032.96    0.067    82.96
2033.06    0.066    81.54
2033.16    0.065    80.06
2033.26    0.064    78.55
2033.36    0.063    76.98
2033.46    0.062    75.35
2033.56    0.061    73.66
2033.66    0.059    71.90
2033.76    0.058    70.08
2033.86    0.057    68.16
2033.96    0.055    66.16
2034.06    0.054    64.05
2034.16    0.053    61.83
2034.26    0.051    59.48
2034.36    0.049    56.99
2034.46    0.048    54.32
2034.56    0.046    51.46
2034.66    0.044    48.38
2034.76    0.043    45.04
2034.86    0.041    41.40
2034.96    0.039    37.41
2035.06    0.037    33.01
2035.16    0.035    28.13
2035.26    0.033    22.71
2035.36    0.031    16.67
2035.46    0.030     9.97
2035.56    0.029     2.58
2035.66    0.028   354.54
2035.76    0.027   345.98
2035.86    0.027   337.10
2035.96    0.027   328.18
2036.06    0.027   319.51
2036.16    0.028   311.34
2036.26    0.030   303.81
2036.36    0.031   297.00
2036.46    0.033   290.90
2036.56    0.035   285.47
2036.66    0.037   280.63
2036.76    0.039   276.33
2036.86    0.042   272.48
2036.96    0.044   269.02
2037.06    0.046   265.89
2037.16    0.048   263.06
2037.26    0.050   260.47
2037.36    0.053   258.09
2037.46    0.055   255.90
2037.56    0.057   253.88
2037.66    0.059   251.99
2037.76    0.061   250.23
2037.86    0.063   248.57
2037.96    0.065   247.02
2038.06    0.066   245.55
2038.16    0.068   244.16
2038.26    0.070   242.84
2038.36    0.072   241.59
2038.46    0.073   240.39
2038.56    0.075   239.25
2038.66    0.077   238.15
2038.76    0.078   237.10
2038.86    0.080   236.08
2038.96    0.081   235.11
2039.06    0.083   234.17
2039.16    0.084   233.26
2039.26    0.085   232.37
2039.36    0.087   231.52
2039.46    0.088   230.69
2039.56    0.089   229.89
2039.66    0.090   229.11
2039.76    0.092   228.34
2039.86    0.093   227.60
2039.96    0.094   226.88
2040.06    0.095   226.17
2040.16    0.096   225.48
2040.26    0.097   224.80
2040.36    0.098   224.14
2040.46    0.099   223.50
2040.56    0.100   222.86
2040.66    0.101   222.24
2040.76    0.102   221.63
2040.86    0.103   221.03
2040.96    0.104   220.44
2041.06    0.105   219.86
2041.16    0.106   219.29
2041.26    0.106   218.73
2041.36    0.107   218.18
2041.46    0.108   217.63
2041.56    0.109   217.10
2041.66    0.110   216.57
2041.76    0.110   216.04
2041.86    0.111   215.53
2041.96    0.112   215.02

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 15:47:33