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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:12:33

Orbital Elements for LTT13601

WDS:	LTT13601	WDS ID/Discoverer
P:	3.098	Orbital period (years)
a:	0.02147	Semi-major axis (arcseconds)
i:	122.94	Inclination (degrees)
Ω:	77.47	Longitude of ascending node (degrees)
T:	1991.818	Epoch of periastron passage (year)
e:	0.2488	Eccentricity
ω:	36.23	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LTT13601

Position:	124050.01+403118.6	Epoch-2000 right ascension and declination
WDS-ID:	12408+4031	WDS designation
Discoverer Code:	LTT13601	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	110314	HD catalog number
Hipparcos number:	61880	Hipparcos catalog number
V1:	8.29	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 LTT13601

WDS 6th Orbit including measures of LTT13601

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

Ephemeris of LTT13601

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.013    172.5
-------------------------
2024.0     0.026    251.6
2025.0     0.013    172.5

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.