(21900) Orus

Asteroid Basics

• Name: (21900) Orus
• Location: Outer Main Belt
• Semi-major Axis: 5.13 AU ^a
• Eccentricity: 0.037
• Inclination: 8.47°
• Size: est 51 km (31-32 miles)
• Type: D-type

Encounter Basics ^*

• Date: November 11, 2028
• Time of Closest Approach: 20:49 UTC (13:49 MDT)
• Closest Approach Distance: ≤620 miles (≤1000 km)
• Encounter Speed: 7.1 km/s
• Distance From Earth: 6.2 AU (930 million miles, 52 light-minutes)
• Time Since Launch: 7 years, 28 days (2583 days)

Fun Fact ^*

Orus is named after the Achaean warrier in Homers Illiad, slain during the siege of Troy by the Trojan Prince Hector.