Double Star Calculator - Orbit

Orbital Elements for BAG29

WDS:	BAG29	WDS ID/Discoverer
P:	12.880	Orbital period (years)
a:	0.1842	Semi-major axis (arcseconds)
i:	29.6	Inclination (degrees)
Ω:	146.7	Longitude of ascending node (degrees)
T:	2006.145	Epoch of periastron passage (year)
e:	0.454	Eccentricity
ω:	152.5	Longitude of periastron (degrees)
Start-Year:	2018.56	Year
End-Year:	2031.44	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BAG29
Position:	211054.76+292523.0	Epoch-2000 right ascension and declination
WDS-ID:	21109+2925	WDS designation
Discoverer Code:	BAG29	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	104565	Hipparcos catalog number
V1:	11.06	Magnitude of the primary
V2:	11.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Bag2010	Reference

Double Star Orbit for BAG29

WDS 6th Orbit including measures of BAG29

-- 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 BAG29

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.261   133.45
--------------------------
2018.56    0.096   265.28
2018.66    0.095   273.30
2018.76    0.095   281.39
2018.86    0.096   289.42
2018.96    0.097   297.32
2019.06    0.098   305.01
2019.16    0.100   312.46
2019.26    0.102   319.64
2019.36    0.104   326.55
2019.46    0.106   333.18
2019.56    0.109   339.54
2019.66    0.111   345.65
2019.76    0.113   351.51
2019.86    0.116   357.13
2019.96    0.118     2.52
2020.06    0.121     7.68
2020.16    0.123    12.63
2020.26    0.126    17.37
2020.36    0.129    21.90
2020.46    0.132    26.23
2020.56    0.135    30.36
2020.66    0.138    34.31
2020.76    0.141    38.09
2020.86    0.144    41.69
2020.96    0.148    45.13
2021.06    0.151    48.41
2021.16    0.155    51.55
2021.26    0.158    54.55
2021.36    0.162    57.42
2021.46    0.165    60.17
2021.56    0.169    62.80
2021.66    0.172    65.32
2021.76    0.176    67.75
2021.86    0.179    70.07
2021.96    0.183    72.31
2022.06    0.186    74.46
2022.16    0.190    76.54
2022.26    0.193    78.54
2022.36    0.197    80.48
2022.46    0.200    82.35
2022.56    0.203    84.16
2022.66    0.206    85.91
2022.76    0.209    87.62
2022.86    0.212    89.27
2022.96    0.215    90.88
2023.06    0.218    92.44
2023.16    0.221    93.97
2023.26    0.224    95.45
2023.36    0.226    96.90
2023.46    0.229    98.32
2023.56    0.231    99.71
2023.66    0.234   101.06
2023.76    0.236   102.39
2023.86    0.238   103.70
2023.96    0.240   104.98
2024.06    0.243   106.24
2024.16    0.244   107.48
2024.26    0.246   108.70
2024.36    0.248   109.90
2024.46    0.250   111.09
2024.56    0.251   112.26
2024.66    0.253   113.41
2024.76    0.254   114.56
2024.86    0.255   115.69
2024.96    0.257   116.81
2025.06    0.258   117.92
2025.16    0.259   119.03
2025.26    0.259   120.12
2025.36    0.260   121.21
2025.46    0.261   122.29
2025.56    0.261   123.37
2025.66    0.262   124.45
2025.76    0.262   125.52
2025.86    0.262   126.59
2025.96    0.262   127.66
2026.06    0.262   128.73
2026.16    0.262   129.79
2026.26    0.262   130.87
2026.36    0.261   131.94
2026.46    0.261   133.02
2026.56    0.260   134.10
2026.66    0.259   135.19
2026.76    0.259   136.28
2026.86    0.258   137.39
2026.96    0.256   138.50
2027.06    0.255   139.62
2027.16    0.254   140.76
2027.26    0.252   141.91
2027.36    0.251   143.07
2027.46    0.249   144.25
2027.56    0.247   145.44
2027.66    0.245   146.66
2027.76    0.243   147.89
2027.86    0.240   149.15
2027.96    0.238   150.43
2028.06    0.235   151.75
2028.16    0.233   153.09
2028.26    0.230   154.46
2028.36    0.227   155.87
2028.46    0.224   157.32
2028.56    0.220   158.81
2028.66    0.217   160.35
2028.76    0.213   161.94
2028.86    0.209   163.59
2028.96    0.206   165.29
2029.06    0.201   167.07
2029.16    0.197   168.92
2029.26    0.193   170.84
2029.36    0.189   172.86
2029.46    0.184   174.98
2029.56    0.179   177.21
2029.66    0.174   179.57
2029.76    0.169   182.06
2029.86    0.164   184.70
2029.96    0.159   187.51
2030.06    0.154   190.51
2030.16    0.148   193.73
2030.26    0.143   197.19
2030.36    0.138   200.91
2030.46    0.133   204.94
2030.56    0.127   209.29
2030.66    0.122   214.01
2030.76    0.117   219.14
2030.86    0.113   224.68
2030.96    0.109   230.68
2031.06    0.105   237.13
2031.16    0.102   244.03
2031.26    0.099   251.33
2031.36    0.097   258.98

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 18:23:13