Double Star Calculator - Orbit

Orbital Elements for CHR59

WDS:	CHR59	WDS ID/Discoverer
P:	13.111	Orbital period (years)
a:	0.1063	Semi-major axis (arcseconds)
i:	24.9	Inclination (degrees)
Ω:	65.6	Longitude of ascending node (degrees)
T:	2014.450	Epoch of periastron passage (year)
e:	0.725	Eccentricity
ω:	187.7	Longitude of periastron (degrees)
Start-Year:	2018.4445	Year
End-Year:	2031.5555	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR59
Position:	170029.38+063501.7	Epoch-2000 right ascension and declination
WDS-ID:	17005+0635	WDS designation
Discoverer Code:	CHR59	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	153653	HD catalog number
Hipparcos number:	83223	Hipparcos catalog number
V1:	6.6	Magnitude of the primary
V2:	9.8	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:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2024d	Reference

Double Star Orbit for CHR59

WDS 6th Orbit including measures of CHR59

-- 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 CHR59

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.071   133.10
--------------------------
2018.44    0.163    56.62
2018.54    0.164    57.35
2018.64    0.166    58.06
2018.74    0.168    58.75
2018.84    0.169    59.44
2018.94    0.170    60.11
2019.04    0.172    60.77
2019.14    0.173    61.43
2019.24    0.174    62.07
2019.34    0.175    62.71
2019.44    0.176    63.34
2019.54    0.177    63.96
2019.64    0.178    64.58
2019.74    0.179    65.19
2019.84    0.179    65.79
2019.94    0.180    66.39
2020.04    0.181    66.99
2020.14    0.181    67.58
2020.24    0.182    68.17
2020.34    0.182    68.76
2020.44    0.182    69.34
2020.54    0.183    69.92
2020.64    0.183    70.50
2020.74    0.183    71.08
2020.84    0.183    71.66
2020.94    0.183    72.24
2021.04    0.183    72.82
2021.14    0.183    73.40
2021.24    0.183    73.98
2021.34    0.183    74.56
2021.44    0.182    75.14
2021.54    0.182    75.72
2021.64    0.181    76.31
2021.74    0.181    76.90
2021.84    0.180    77.49
2021.94    0.180    78.09
2022.04    0.179    78.69
2022.14    0.178    79.30
2022.24    0.178    79.91
2022.34    0.177    80.53
2022.44    0.176    81.15
2022.54    0.175    81.78
2022.64    0.174    82.42
2022.74    0.173    83.07
2022.84    0.171    83.72
2022.94    0.170    84.39
2023.04    0.169    85.06
2023.14    0.167    85.75
2023.24    0.166    86.45
2023.34    0.164    87.16
2023.44    0.163    87.88
2023.54    0.161    88.62
2023.64    0.159    89.38
2023.74    0.157    90.15
2023.84    0.155    90.95
2023.94    0.153    91.76
2024.04    0.151    92.59
2024.14    0.149    93.45
2024.24    0.147    94.34
2024.34    0.145    95.25
2024.44    0.142    96.19
2024.54    0.140    97.16
2024.64    0.137    98.18
2024.74    0.134    99.23
2024.84    0.132   100.32
2024.94    0.129   101.46
2025.04    0.126   102.66
2025.14    0.123   103.91
2025.24    0.120   105.23
2025.34    0.116   106.62
2025.44    0.113   108.09
2025.54    0.110   109.65
2025.64    0.106   111.32
2025.74    0.102   113.10
2025.84    0.099   115.03
2025.94    0.095   117.10
2026.04    0.091   119.36
2026.14    0.086   121.84
2026.24    0.082   124.57
2026.34    0.078   127.61
2026.44    0.073   131.02
2026.54    0.069   134.88
2026.64    0.064   139.32
2026.74    0.059   144.47
2026.84    0.054   150.54
2026.94    0.049   157.81
2027.04    0.045   166.63
2027.14    0.040   177.49
2027.24    0.036   190.91
2027.34    0.033   207.37
2027.44    0.030   226.91
2027.54    0.029   248.85
2027.64    0.029   271.54
2027.74    0.031   292.91
2027.84    0.034   311.31
2027.94    0.038   326.27
2028.04    0.043   338.16
2028.14    0.048   347.62
2028.24    0.053   355.25
2028.34    0.058     1.53
2028.44    0.063     6.78
2028.54    0.068    11.25
2028.64    0.073    15.11
2028.74    0.078    18.49
2028.84    0.083    21.49
2028.94    0.087    24.18
2029.04    0.092    26.61
2029.14    0.096    28.82
2029.24    0.100    30.84
2029.34    0.104    32.72
2029.44    0.108    34.45
2029.54    0.111    36.07
2029.64    0.115    37.59
2029.74    0.118    39.02
2029.84    0.121    40.37
2029.94    0.125    41.65
2030.04    0.128    42.87
2030.14    0.131    44.03
2030.24    0.134    45.14
2030.34    0.136    46.20
2030.44    0.139    47.22
2030.54    0.142    48.21
2030.64    0.144    49.16
2030.74    0.147    50.07
2030.84    0.149    50.96
2030.94    0.151    51.82
2031.04    0.153    52.66
2031.14    0.155    53.48
2031.24    0.157    54.27
2031.34    0.159    55.04
2031.44    0.161    55.80
2031.54    0.163    56.54

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 17:32:54