136199 Eris (Dwarf planet)
© NASA/Hubble Space Telescope
Finder chart
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From San Diego , 136199 Eris is visible in the morning sky, becoming accessible around 21:49, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 02:01, 56° above your southern horizon. It will be lost to dawn twilight around 05:41, 28° above your western horizon.
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|
Name
136199 Eris
|
Object type
Dwarf planet
|
Current position
| Computed for: | 30 September 2023 |
| Right ascension: | 01h48m [1] |
| Declination: | -00°43' [1] |
| Constellation: | Cetus |
| Magnitude: | 18.64 (V) [1] |
| Distance: | 94.80 AU 788.39 lightmin [1] |
| Angular motion (speed): | 3.40 deg/yr[1] |
| Angular motion (pos ang): | 248.5° |
Orbital elements [1]
| Semi-major axis: | 68.16 AU |
| Eccentricity: | 0.432304 |
| Inclination: | 43.74° |
| Longitude ascending node: | 36.08° |
| Argument of perihelion: | 150.87° |
| Epoch of elements: | 13 September 2023 |
| Mean Anomaly at epoch: | 209.40° |
| Absolute mag (H): | -1.21 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 38.69 AU |
| Aphelion: | 97.62 AU |
| Orbital period: | 562.67 years |
Visibility from San Diego
All times shown in San Diego local time.
Events
| 18 Oct 2023 | – 136199 Eris at opposition |
| 14 Apr 2024 | – 136199 Eris at solar conjunction |
| 17 Oct 2024 | – 136199 Eris at opposition |
| 14 Apr 2025 | – 136199 Eris at solar conjunction |
| 18 Oct 2025 | – 136199 Eris at opposition |
| 15 Apr 2026 | – 136199 Eris at solar conjunction |
| 18 Oct 2026 | – 136199 Eris at opposition |
| 15 Apr 2027 | – 136199 Eris at solar conjunction |
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