The dwarf planet 136199 Eris
© NASA/Hubble Space Telescope
Finder chart
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From Ashburn , 136199 Eris is visible in the dawn sky, rising at 01:07 (EDT) – 4 hours and 54 minutes before the Sun – and reaching an altitude of 38° above the south-eastern horizon before fading from view as dawn breaks around 04:44.
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|
Name
136199 Eris
|
Object Type
Dwarf Planet
|
Current Position
| Constellation: | Cetus |
| Magnitude: | 18.84 (V)[1] |
| Right Ascension: | 01h47m [1] |
| Declination: | -01°35' [1] |
| Distance: | 95.99 AU 798.36 lightmin [1] |
Derived Quantities
| Absolute Mag (V): | 40.50 |
Orbital Elements[1]
| Semi-major axis: | 67.74 AU |
| Eccentricity: | 0.438798 |
| Inclination: | 44.14° |
| Longitude ascending node: | 35.90° |
| Argument of perihelion: | 151.69° |
| Epoch of elements: | 27 April 2019 |
| Mean Anomaly at epoch: | 205.38° |
Derived quantities
| Perihelion: | 38.02 AU |
| Aphelion: | 97.47 AU |
| Orbital period: | 557.58 years |
Events
| 17 Oct 2019 | – 136199 Eris at opposition |
| 17 Oct 2020 | – 136199 Eris at opposition |
| 17 Oct 2021 | – 136199 Eris at opposition |
| 18 Oct 2022 | – 136199 Eris at opposition |
| 18 Oct 2023 | – 136199 Eris at opposition |
| 17 Oct 2024 | – 136199 Eris at opposition |
| 18 Oct 2025 | – 136199 Eris at opposition |
| 18 Oct 2026 | – 136199 Eris at opposition |
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