Ian O’Neill writes on Discovery News:
This isn’t an urgent call to arms, but it’s certainly a future date to consider. In the year 2182 — 172 years time — there’s the possibility that we might be hit by an asteroid with potential to cause some significant global turmoil.
This long-distance forecast could help mankind determine whether asteroid deflection techniques are warranted, especially when given nearly two centuries of lead time.
The not-so-romantically named (101955) 1999 RQ36 — discovered in 1999 — measures approximately 510 meters in diameter and is classified as an Apollo asteroid. Apollo asteroids pose a threat to our planet as they routinely cross Earth’s orbit.
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With a one-in-a-thousand chance of 1999 RQ36 hitting Earth — with half of this probability indicating a 2182 impact — the threat might not sound too acute.
But compare this with the panic that ensued with the discovery of 99942 Apophis in 2004.