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Double Star Calculator - Orbital Elements
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- Revision:
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$Rev: 1216 $
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- Report created:
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2025-07-11 18:39:11
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| WDS: |
WSI132 |
WDS ID/Discoverer |
| P: |
17.800 |
Orbital period (years) |
| a: |
0.265 |
Semi-major axis (arcseconds) |
| i: |
138.9 |
Inclination (degrees) |
| Ω: |
36.9 |
Longitude of ascending node (degrees) |
| T: |
2020.969 |
Epoch of periastron passage (year) |
| e: |
0.687 |
Eccentricity |
| ω: |
372.9 |
Longitude of periastron (degrees) |
| Start-Year: |
2017.0 |
Year |
| End-Year: |
2033.0 |
Year |
| Epoch: |
2025.0 |
Besselian Epoch |
| Position: |
163013.10-143949.6 |
Epoch-2000 right ascension and declination |
| WDS-ID: |
16302-1440 |
WDS designation |
| Discoverer Code: |
WSI132 |
Discover designation and components |
| ADS number: |
. |
Aitken Double Star catalog |
| HD number: |
. |
HD catalog number |
| Hipparcos number: |
80817 |
Hipparcos catalog number |
| V1: |
13.6 |
Magnitude of the primary |
| V2: |
15.6 |
Magnitude of the secondary |
| Equinox: |
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Equinox |
| Date: |
2021 |
Date of last observation |
| Orbit grade: |
5 |
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: |
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Flags |