Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:12:01

Orbital Elements for CHR94AA,AB
WDS: CHR94AA,AB WDS ID/Discoverer
P: 25.330 Orbital period (years)
a: 0.111 Semi-major axis (arcseconds)
i: 71.5 Inclination (degrees)
Ω: 97.5 Longitude of ascending node (degrees)
T: 2009.560 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 293.8 Longitude of periastron (degrees)
Start-Year: 2013.0 Year
End-Year: 2037.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR94AA,AB
Position: 201546.16+274851.2 Epoch-2000 right ascension and declination
WDS-ID: 20158+2749 WDS designation
Discoverer Code: CHR94AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 192806 HD catalog number
Hipparcos number: 99874 Hipparcos catalog number
V1: 4.80 Magnitude of the primary
V2: 6.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2006 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for CHR94AA,AB



WDS 6th Orbit including measures of CHR94AA,AB

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of CHR94AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.108    258.5
-------------------------
2013.0     0.086    107.1
2014.0     0.082    114.3
2015.0     0.073    122.8
2016.0     0.063    133.9
2017.0     0.054    149.1
2018.0     0.047    169.5
2019.0     0.047    192.7
2020.0     0.053    213.5
2021.0     0.063    228.9
2022.0     0.075    239.8
2023.0     0.087    247.7
2024.0     0.098    253.7
2025.0     0.108    258.5
2026.0     0.115    262.6
2027.0     0.120    266.3
2028.0     0.122    269.7
2029.0     0.120    273.1
2030.0     0.113    276.9
2031.0     0.100    281.4
2032.0     0.079    287.7
2033.0     0.051    300.1
2034.0     0.024    345.0
2035.0     0.036     66.4
2036.0     0.064     88.0






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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