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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:14:00

Orbital Elements for NLTT32291

WDS:	NLTT32291	WDS ID/Discoverer
P:	2.855	Orbital period (years)
a:	0.0103	Semi-major axis (arcseconds)
i:	55.1	Inclination (degrees)
Ω:	45.0	Longitude of ascending node (degrees)
T:	1984.670	Epoch of periastron passage (year)
e:	0.422	Eccentricity
ω:	342.0	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 NLTT32291

Position:	125515.97+074957.6	Epoch-2000 right ascension and declination
WDS-ID:	12553+0750	WDS designation
Discoverer Code:	NLTT32291	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	63063	Hipparcos catalog number
V1:	9.96	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for NLTT32291

WDS 6th Orbit including measures of NLTT32291

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

Ephemeris of NLTT32291

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.005    111.6
-------------------------
2024.0     0.010    247.2
2025.0     0.005    111.6

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.