The interstellar comet 3I/ATLAS has slipped out of astronomers' view. According to the COBS comet catalog, the last confirmed observations of this celestial body were recorded on April 13, 2026, and no new data has been received since. As a result, the object has been invisible to observers for nearly a month. This is reported by Ixbt.com reporting states.
Calculations indicate that 3I/ATLAS is currently more than a billion kilometers from Earth, located between the orbits of Jupiter and Saturn. Its brightness has dropped to approximately 20th magnitude. This means the object has become tens of thousands of times fainter than when it was closest to Earth in December.
Theoretically, large ground-based observatories could still detect 3I/ATLAS until its brightness drops to 25th magnitude. However, experts believe this window of opportunity will last only 1–1.5 months. After that, the object will become completely invisible to both ground-based and space-based observation tools.
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