101955 Bennu
near-Earth asteroid of highest impact hazard
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Summary
101955 Bennu is an Apollo asteroid[1]. It draws 4,382 Wikipedia views per month (apollo asteroid category, ranking #1 of 1).[2]
Key Facts
- Discoverer or inventor: Lincoln Near-Earth Asteroid Research[3]
- Instance of: potentially hazardous asteroid[4], near-Earth asteroid[5]
- Site of astronomical discovery: Experimental Test Site[6]
- Named after: Bennu[7]
- Follows: (101954) 1999 RY33[8]
- Followed by: (101956) 1999 RS36[9]
- Minor planet group: Apollo asteroid[10]
- Commons category: 101955 Bennu[11]
- Parent astronomical body: Sun[12]
- Provisional designation: 1999 RQ36[13]
- Catalog code: 1999 RQ36[14]
- Time of discovery or invention: September 11, 1999[15]
- Asteroid spectral type: B-type asteroid[16], F-type asteroid[17]
- Significant event: discovery[18], naming[19]
- Topic's main category: Category:101955 Bennu[20]
- Orbital eccentricity: 0.2037450762416414[21]
- Absolute magnitude: 20.41[22], 20.21[23]
- Color index: 0.16[24], 0.64[25], 0.36[26], 0.69[27]
- Orbital inclination: 6.03494377024794 degree[28]
- Area: 0.7874 km²[29]
- Density: 1.194 gram per cubic centimetre[30]
- Mass: 73,290,000,000 kg[31]
- Temperature: 236 K[32], 259 K[33], 279 K[34]
- Orbital period: 436.6487281120201 day[35]
- Rotation period: 4.2960015 hour[36], 4.296061 hour[37]
Why It Matters
101955 Bennu has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[38] It is known by 35 alternative names across languages and contexts.[39]