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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:29:18

Orbital Elements for FIN283

WDS:	FIN283	WDS ID/Discoverer
P:	12.460	Orbital period (years)
a:	0.324	Semi-major axis (arcseconds)
i:	113.0	Inclination (degrees)
Ω:	109.0	Longitude of ascending node (degrees)
T:	1986.000	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN283

Position:	214635.77-574210.9	Epoch-2000 right ascension and declination
WDS-ID:	21466-5742	WDS designation
Discoverer Code:	FIN283	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	206804	HD catalog number
Hipparcos number:	107522	Hipparcos catalog number
V1:	9.57	Magnitude of the primary
V2:	9.68	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN283

WDS 6th Orbit including measures of FIN283

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

Ephemeris of FIN283

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.240     86.4
-------------------------
2019.0     0.218    261.2
2020.0     0.133    218.0
2021.0     0.166    154.2
2022.0     0.262    127.1
2023.0     0.319    113.3
2024.0     0.311    101.8
2025.0     0.240     86.4
2026.0     0.146     52.1
2027.0     0.147    345.3
2028.0     0.241    311.4
2029.0     0.311    296.1
2030.0     0.319    284.5

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.