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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:32:05

Orbital Elements for SAO107726

WDS:	SAO107726	WDS ID/Discoverer
P:	7.735	Orbital period (years)
a:	0.017079999999999998	Semi-major axis (arcseconds)
i:	87.98	Inclination (degrees)
Ω:	300.14	Longitude of ascending node (degrees)
T:	1983.641	Epoch of periastron passage (year)
e:	0.904	Eccentricity
ω:	237.7	Longitude of periastron (degrees)
Start-Year:	2022.0	Year
End-Year:	2028.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SAO107726

Position:	221129.56+173110.5	Epoch-2000 right ascension and declination
WDS-ID:	22115+1731	WDS designation
Discoverer Code:	SAO107726	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	210647	HD catalog number
Hipparcos number:	109554	Hipparcos catalog number
V1:	8.26	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for SAO107726

WDS 6th Orbit including measures of SAO107726

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

Ephemeris of SAO107726

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.019    302.6
-------------------------
2022.0     0.002    109.8
2023.0     0.013    301.3
2024.0     0.018    302.1
2025.0     0.019    302.6
2026.0     0.018    303.2
2027.0     0.015    304.0

Disclaimer

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.