Double Star Calculator - Orbit

Orbital Elements for CRC72

WDS:	CRC72	WDS ID/Discoverer
P:	12.630	Orbital period (years)
a:	0.245	Semi-major axis (arcseconds)
i:	56.8	Inclination (degrees)
Ω:	68.2	Longitude of ascending node (degrees)
T:	2021.870	Epoch of periastron passage (year)
e:	0.54	Eccentricity
ω:	41.7	Longitude of periastron (degrees)
Start-Year:	2018.685	Year
End-Year:	2031.315	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CRC72
Position:	151911.82-124506.2	Epoch-2000 right ascension and declination
WDS-ID:	15192-1245	WDS designation
Discoverer Code:	CRC72	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.0	Magnitude of the primary
V2:	13.4	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	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:	Tok2021f	Reference

Double Star Orbit for CRC72

WDS 6th Orbit including measures of CRC72

-- 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 CRC72

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.336   261.92
--------------------------
2018.68    0.177   316.99
2018.78    0.172   319.59
2018.88    0.167   322.33
2018.98    0.163   325.22
2019.08    0.159   328.26
2019.18    0.155   331.45
2019.28    0.152   334.81
2019.38    0.148   338.32
2019.48    0.145   341.99
2019.58    0.142   345.80
2019.68    0.140   349.75
2019.78    0.138   353.82
2019.88    0.137   358.00
2019.98    0.135     2.27
2020.08    0.135     6.60
2020.18    0.134    10.98
2020.28    0.134    15.37
2020.38    0.134    19.77
2020.48    0.134    24.16
2020.58    0.135    28.52
2020.68    0.135    32.85
2020.78    0.136    37.15
2020.88    0.136    41.44
2020.98    0.136    45.72
2021.08    0.135    50.02
2021.18    0.134    54.39
2021.28    0.131    58.88
2021.38    0.128    63.57
2021.48    0.123    68.56
2021.58    0.117    74.00
2021.68    0.110    80.10
2021.78    0.101    87.15
2021.88    0.092    95.58
2021.98    0.083   105.88
2022.08    0.075   118.54
2022.18    0.070   133.60
2022.28    0.069   150.11
2022.38    0.072   166.16
2022.48    0.079   180.09
2022.58    0.089   191.35
2022.68    0.100   200.21
2022.78    0.113   207.20
2022.88    0.125   212.80
2022.98    0.138   217.38
2023.08    0.150   221.19
2023.18    0.162   224.42
2023.28    0.174   227.22
2023.38    0.185   229.67
2023.48    0.196   231.85
2023.58    0.206   233.80
2023.68    0.216   235.57
2023.78    0.225   237.20
2023.88    0.234   238.69
2023.98    0.242   240.08
2024.08    0.250   241.39
2024.18    0.258   242.61
2024.28    0.265   243.76
2024.38    0.271   244.86
2024.48    0.278   245.91
2024.58    0.283   246.91
2024.68    0.289   247.87
2024.78    0.294   248.80
2024.88    0.299   249.70
2024.98    0.303   250.57
2025.08    0.308   251.41
2025.18    0.311   252.23
2025.28    0.315   253.04
2025.38    0.318   253.83
2025.48    0.321   254.60
2025.58    0.324   255.36
2025.68    0.326   256.10
2025.78    0.328   256.84
2025.88    0.330   257.57
2025.98    0.332   258.29
2026.08    0.333   259.00
2026.18    0.334   259.71
2026.28    0.335   260.42
2026.38    0.336   261.12
2026.48    0.336   261.82
2026.58    0.336   262.51
2026.68    0.336   263.21
2026.78    0.336   263.91
2026.88    0.336   264.61
2026.98    0.335   265.31
2027.08    0.334   266.01
2027.18    0.333   266.72
2027.28    0.332   267.43
2027.38    0.331   268.15
2027.48    0.329   268.88
2027.58    0.327   269.61
2027.68    0.325   270.35
2027.78    0.323   271.10
2027.88    0.321   271.86
2027.98    0.319   272.63
2028.08    0.316   273.41
2028.18    0.313   274.21
2028.28    0.311   275.02
2028.38    0.308   275.84
2028.48    0.304   276.68
2028.58    0.301   277.54
2028.68    0.298   278.42
2028.78    0.294   279.32
2028.88    0.290   280.25
2028.98    0.287   281.19
2029.08    0.283   282.17
2029.18    0.279   283.17
2029.28    0.274   284.20
2029.38    0.270   285.26
2029.48    0.266   286.36
2029.58    0.261   287.50
2029.68    0.257   288.67
2029.78    0.252   289.89
2029.88    0.247   291.15
2029.98    0.243   292.47
2030.08    0.238   293.83
2030.18    0.233   295.26
2030.28    0.228   296.75
2030.38    0.223   298.30
2030.48    0.218   299.92
2030.58    0.213   301.63
2030.68    0.208   303.41
2030.78    0.203   305.29
2030.88    0.198   307.26
2030.98    0.193   309.33
2031.08    0.188   311.51
2031.18    0.183   313.81
2031.28    0.178   316.24

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 17:13:57