Q. What are ‘2010 TK7 and 2020 XL5’, which are seen in the news recently?
Answer:
Earth Trojans
Notes: Earth Trojan is an asteroid that shares the same orbit as our planet, going around the Sun. The second Earth Trojan was detected in 2020 and has been named 2020 XL5.
It is a near-earth asteroid (NEO) that is expected to stay in orbit for the next 4,000 years before deviating away. The asteroid was discovered by the Pan-STARRS S1 telescope survey. The first known Earth Trojan asteroid was 2010 TK7, about 0.3 km wide, and discovered in 2010.