Double Star Calculator - Orbit

Orbital Elements for LIN1AA,AB

WDS:	LIN1AA,AB	WDS ID/Discoverer
P:	15.523	Orbital period (years)
a:	0.16413	Semi-major axis (arcseconds)
i:	106.475	Inclination (degrees)
Ω:	169.088	Longitude of ascending node (degrees)
T:	1995.714	Epoch of periastron passage (year)
e:	0.93712	Eccentricity
ω:	118.833	Longitude of periastron (degrees)
Start-Year:	2017.2385	Year
End-Year:	2032.7615	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LIN1AA,AB
Position:	214327.29+444832.6	Epoch-2000 right ascension and declination
WDS-ID:	21435+4448	WDS designation
Discoverer Code:	LIN1AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	9.30	Magnitude of the primary
V2:	9.40	Magnitude of the secondary
Equinox:		Equinox
Date:	2008	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:	Izm2019	Reference

Double Star Orbit for LIN1AA,AB

WDS 6th Orbit including measures of LIN1AA,AB

-- 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 LIN1AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.049   172.17
--------------------------
2017.24    0.152   200.45
2017.34    0.153   200.19
2017.44    0.155   199.93
2017.54    0.156   199.67
2017.64    0.158   199.42
2017.74    0.159   199.17
2017.84    0.160   198.93
2017.94    0.161   198.69
2018.04    0.163   198.45
2018.14    0.164   198.22
2018.24    0.165   197.99
2018.34    0.166   197.77
2018.44    0.167   197.54
2018.54    0.168   197.32
2018.64    0.169   197.11
2018.74    0.170   196.89
2018.84    0.171   196.68
2018.94    0.172   196.47
2019.04    0.173   196.26
2019.14    0.174   196.05
2019.24    0.174   195.85
2019.34    0.175   195.65
2019.44    0.176   195.45
2019.54    0.177   195.25
2019.64    0.177   195.05
2019.74    0.178   194.85
2019.84    0.178   194.66
2019.94    0.179   194.47
2020.04    0.179   194.27
2020.14    0.180   194.08
2020.24    0.180   193.89
2020.34    0.181   193.70
2020.44    0.181   193.51
2020.54    0.181   193.32
2020.64    0.181   193.13
2020.74    0.182   192.95
2020.84    0.182   192.76
2020.94    0.182   192.57
2021.04    0.182   192.39
2021.14    0.182   192.20
2021.24    0.182   192.01
2021.34    0.182   191.82
2021.44    0.182   191.64
2021.54    0.182   191.45
2021.64    0.181   191.26
2021.74    0.181   191.07
2021.84    0.181   190.88
2021.94    0.180   190.70
2022.04    0.180   190.50
2022.14    0.179   190.31
2022.24    0.179   190.12
2022.34    0.178   189.93
2022.44    0.178   189.73
2022.54    0.177   189.53
2022.64    0.176   189.34
2022.74    0.175   189.14
2022.84    0.174   188.93
2022.94    0.174   188.73
2023.04    0.172   188.52
2023.14    0.171   188.31
2023.24    0.170   188.10
2023.34    0.169   187.89
2023.44    0.168   187.67
2023.54    0.166   187.45
2023.64    0.165   187.22
2023.74    0.163   186.99
2023.84    0.162   186.76
2023.94    0.160   186.52
2024.04    0.158   186.27
2024.14    0.156   186.02
2024.24    0.154   185.77
2024.34    0.152   185.50
2024.44    0.150   185.23
2024.54    0.147   184.95
2024.64    0.145   184.66
2024.74    0.142   184.36
2024.84    0.139   184.05
2024.94    0.136   183.72
2025.04    0.133   183.38
2025.14    0.130   183.02
2025.24    0.126   182.65
2025.34    0.123   182.25
2025.44    0.119   181.83
2025.54    0.115   181.37
2025.64    0.110   180.88
2025.74    0.105   180.35
2025.84    0.100   179.76
2025.94    0.095   179.11
2026.04    0.088   178.37
2026.14    0.082   177.52
2026.24    0.074   176.50
2026.34    0.066   175.23
2026.44    0.056   173.56
2026.54    0.044   171.06
2026.64    0.028   166.17
2026.74    0.004   115.82
2026.84    0.018   339.15
2026.94    0.022   323.91
2027.04    0.023   311.27
2027.14    0.023   299.62
2027.24    0.025   288.89
2027.34    0.026   279.23
2027.44    0.028   270.73
2027.54    0.030   263.37
2027.64    0.033   257.04
2027.74    0.035   251.62
2027.84    0.038   246.96
2027.94    0.041   242.93
2028.04    0.044   239.43
2028.14    0.046   236.37
2028.24    0.049   233.67
2028.34    0.052   231.27
2028.44    0.055   229.13
2028.54    0.058   227.21
2028.64    0.061   225.47
2028.74    0.064   223.89
2028.84    0.067   222.44
2028.94    0.070   221.11
2029.04    0.072   219.89
2029.14    0.075   218.76
2029.24    0.078   217.70
2029.34    0.081   216.72
2029.44    0.083   215.80
2029.54    0.086   214.94
2029.64    0.089   214.13
2029.74    0.091   213.36
2029.84    0.094   212.64
2029.94    0.096   211.96
2030.04    0.099   211.30
2030.14    0.101   210.68
2030.24    0.103   210.09
2030.34    0.106   209.53
2030.44    0.108   208.99
2030.54    0.110   208.47
2030.64    0.113   207.97
2030.74    0.115   207.50
2030.84    0.117   207.04
2030.94    0.119   206.59
2031.04    0.121   206.17
2031.14    0.123   205.75
2031.24    0.125   205.35
2031.34    0.127   204.96
2031.44    0.129   204.59
2031.54    0.131   204.22
2031.64    0.133   203.87
2031.74    0.135   203.53
2031.84    0.137   203.19
2031.94    0.139   202.86
2032.04    0.140   202.55
2032.14    0.142   202.24
2032.24    0.144   201.93
2032.34    0.145   201.64
2032.44    0.147   201.35
2032.54    0.148   201.06
2032.64    0.150   200.79
2032.74    0.152   200.51

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 18:29:14