Where is Asteroid 136199 Eris?

Asteroid 136199 Eris is currently in the constellation of Cetus. Right now, from Greenwich, UK (change location), 136199 Eris can be observed looking in the West-South-West at an altitude of 14.87 degrees above the horizon. View the position of asteroid 136199 Eris in an interactive map of the sky. Given its current brightness (magnitude 18.67), 136199 Eris is visible only through long exposure photography.

The current apparent celestial coordinates of asteroid 136199 Eris, useful for pointing an equatorial telescope, the hour angle, and the sidereal time are provided in the table below:

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Star map showing the position of asteroid 136199 Eris in the constellation of Cetus on July, 17 2025
Field of view: 50x30 degrees
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Additional Resources on TheSkyLive

• Asteroid 136199 Eris: Complete reference information on TheSkyLive.com.
• Where is asteroid 136199 Eris?: Key information on where to find asteroid 136199 Eris in the sky.
• Distance of asteroid 136199 Eris from Earth: Find out how far asteroid 136199 Eris is from Earth right now.
• How Bright is asteroid 136199 Eris?: Current visual brightness (magnitude) and apparent size.
• Rise and Set Times: Rise and set times of asteroid 136199 Eris from your location.
• Interactive Sky Map: Planetarium-style interactive visualization of asteroid 136199 Eris's position in the sky.
• Live Position Tracker: High precision real time tracker of asteroid 136199 Eris's position using deep space imagery.
• Ephemeris: 15 days asteroid 136199 Eris's computed ephemeris.