3122 Florence (1981 ET3)
HAZARDOUSDesignation: 3122 ยท NASA Reference ID: 2003122
View on NASA JPL โClose Approach Data
| Date | Miss Distance | Speed |
|---|---|---|
| August 29, 1930 | 0.0524 AU (7.8 million km) | 14.0 km/s |
| September 7, 1977 | 0.1137 AU (17.0 million km) | 13.1 km/s |
| September 1, 2017 | 0.0472 AU (7.1 million km) | 13.5 km/s |
| September 2, 2057 | 0.0500 AU (7.5 million km) | 13.5 km/s |
| September 11, 2097 | 0.1558 AU (23.3 million km) | 13.0 km/s |
| August 27, 2130 | 0.0870 AU (13.0 million km) | 14.6 km/s |
| August 28, 2170 | 0.0781 AU (11.7 million km) | 14.5 km/s |
Potentially Hazardous Asteroid
3122 Florence (1981 ET3) is classified as a Potentially Hazardous Asteroid (PHA) because it is estimated to be larger than 140 meters and its orbit comes within 0.05 AU of Earth. NASA continuously monitors this object for any future impact risk. Current data does not indicate a confirmed impact event.
Near-Earth asteroid with 2 moons
3122 Florence is a stony triple asteroid of the Amor group. It is classified as a near-Earth object and potentially hazardous asteroid. It measures approximately 5 kilometers in diameter. It orbits the Sun at a distance of 1.0โ2.5ย AU once every 2 years and 4 months ; the orbit has an eccentricity of 0.42 and an inclination of 22ยฐ with respect to the ecliptic. Florence has two moons.
Frequently Asked Questions
Is 3122 Florence (1981 ET3) dangerous?โพ
3122 Florence (1981 ET3) is classified as a potentially hazardous asteroid (PHA) by NASA. This means it is large enough and its orbit brings it close enough to Earth to warrant close monitoring. However, a PHA classification does not mean an impact is imminent.
How close will 3122 Florence (1981 ET3) come to Earth?โพ
The closest recorded Earth approach of 3122 Florence (1981 ET3) is 0.0524 AU (7.8 million km) on August 29, 1930, at a speed of approximately 14.0 km/s.
How big is 3122 Florence (1981 ET3)?โพ
3122 Florence (1981 ET3) has an estimated diameter of 6.57 km (4060โ9079 meters range). Its absolute magnitude (H) is 14.08, which NASA uses along with assumed albedo to estimate size.