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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:30:24
WDS:
MCY2
WDS ID/Discoverer
P:
18.120
Orbital period (years)
a:
0.631
Semi-major axis (arcseconds)
i:
98.8
Inclination (degrees)
Ω:
205.0
Longitude of ascending node (degrees)
T:
1993.630
Epoch of periastron passage (year)
e:
0.434
Eccentricity
ω:
144.3
Longitude of periastron (degrees)
Start-Year:
2016.0
Year
End-Year:
2034.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
014147.14+423648.1
Epoch-2000 right ascension and declination
WDS-ID:
01418+4237
WDS designation
Discoverer Code:
MCY2
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
10307
HD catalog number
Hipparcos number:
7918
Hipparcos catalog number
V1:
4.95
Magnitude of the primary
V2:
11.
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2002
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.759 204.2
-------------------------
2016.0 0.127 263.8
2017.0 0.268 230.4
2018.0 0.418 220.7
2019.0 0.554 216.0
2020.0 0.667 213.1
2021.0 0.754 210.9
2022.0 0.810 209.1
2023.0 0.833 207.5
2024.0 0.818 205.9
2025.0 0.759 204.2
2026.0 0.649 202.0
2027.0 0.479 198.6
2028.0 0.244 189.5
2029.0 0.084 69.8
2030.0 0.316 29.7
2031.0 0.387 21.6
2032.0 0.303 12.7
2033.0 0.164 350.8
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
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 .
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