Asteroid with unexplained orbital shift turns out to be a 'dark comet'
A long-tracked near-Earth asteroid has been reclassified as a 'dark comet' following an unexplained orbital shift.
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
The brief
Astronomers have identified an object, tracked since 1998, as a dark comet rather than an asteroid. The reclassification follows observations of the object's non-gravitational acceleration and the development of a tail, which deviate from typical asteroid behavior.
Reports emphasize that the object's unexpected trajectory shift is now attributed to cometary activity. Future updates will focus on how this identification impacts current understandings of near-Earth objects.
Coverage does not yet specify whether additional objects previously labeled as asteroids will undergo similar reclassification.
Synthesized by PULSE from the headlines below under a strict no-invention contract. ✓ fact-checked: unsupported claims removed (83% supported) Updated 2d ago.
Quick answers
What is a dark comet?
It is an object initially identified as an asteroid that exhibits cometary traits, such as sprouting a tail and experiencing non-gravitational acceleration.
Why did astronomers reclassify this object?
The object displayed an unexplained orbital shift and cometary activity that contradicted its initial classification as an asteroid.
How long has this object been monitored?
The object has been tracked by astronomers since 1998.
Coverage (8)
- An ‘Asteroid’ Tracked Since 1998 Made an Unexplained Orbital Shift—Now Astronomers Say It’s Something Far More Mysterious The Debrief · 5d ago
- ‘Dark’ comets sprouting tails could help solve interstellar mysteries Scientific American · 5d ago
- NASA Study Finds Near-Earth Asteroid Is Actually Comet Mirage News · 5d ago
- ‘Dark comet’ discovery may explain strange interstellar visitor: Study NewsNation · 5d ago
- Asteroid turned out to be a comet and deviated from its trajectory Universe Space Tech · 5d ago
- Non-gravitational acceleration indicative of cometary activity of near-Earth object Nature · 5d ago
- NASA Study Finds Near-Earth Asteroid Is Actually Comet NASA (.gov) · 5d ago
- Asteroid with unexplained orbital shift turns out to be a 'dark comet' Phys.org · 5d ago
Topics
Related trends
Four astronauts, 3 spacecraft, 2 weeks in orbit: Artemis III will be NASA's most complicated mission ever
4 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
Did Viking 1 find life on Mars 50 years ago? Here's why the debate continues
Fifty years after the Viking 1 landing, scientific discourse persists regarding whether NASA mission data contains evidence of Martian life.
An asteroid shattered near Jupiter’s gravitational gateway 800 million years ago; scientists say the debr
Researchers are linking a massive asteroid breakup near Jupiter 800 million years ago to a significant bombardment event in the inner solar system.
NASA's Psyche mission delivers Mars flyby data, time-lapse video
11 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
These 'metallic' dunes on Mars look like sci-fi. What are they really?
7 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
Scientists looked at Antarctica from the air. What they saw has them worried
Researchers are using satellite imagery to track dietary shifts in Antarctic Adélie penguins as an indicator of climate change impacts.