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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:44:05

Orbital Elements for LPM629

WDS:	LPM629	WDS ID/Discoverer
P:	34.490	Orbital period (years)
a:	0.7655	Semi-major axis (arcseconds)
i:	19.25	Inclination (degrees)
Ω:	143.5	Longitude of ascending node (degrees)
T:	2022.600	Epoch of periastron passage (year)
e:	0.1999	Eccentricity
ω:	218.9	Longitude of periastron (degrees)
Start-Year:	2008.0	Year
End-Year:	2042.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LPM629

Position:	171152.24-015106.5	Epoch-2000 right ascension and declination
WDS-ID:	17119-0151	WDS designation
Discoverer Code:	LPM629	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	84123	Hipparcos catalog number
V1:	11.0	Magnitude of the primary
V2:	11.2	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for LPM629

WDS 6th Orbit including measures of LPM629

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

Ephemeris of LPM629

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.601     39.1
-------------------------
2008.0     0.870    199.9
2009.0     0.854    207.5
2010.0     0.836    215.4
2011.0     0.817    223.7
2012.0     0.796    232.4
2013.0     0.775    241.5
2014.0     0.754    251.2
2015.0     0.733    261.4
2016.0     0.713    272.3
2017.0     0.694    283.7
2018.0     0.675    295.8
2019.0     0.656    308.6
2020.0     0.638    322.1
2021.0     0.621    336.4
2022.0     0.606    351.4
2023.0     0.596      7.1
2024.0     0.594     23.2
2025.0     0.601     39.1
2026.0     0.618     54.4
2027.0     0.643     68.6
2028.0     0.674     81.7
2029.0     0.709     93.5
2030.0     0.744    104.3
2031.0     0.778    114.0
2032.0     0.809    123.0
2033.0     0.837    131.4
2034.0     0.859    139.2
2035.0     0.878    146.7
2036.0     0.891    154.0
2037.0     0.899    161.0
2038.0     0.903    168.0
2039.0     0.902    174.9
2040.0     0.898    181.9
2041.0     0.889    189.0

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.