| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Earth-grazing meteoroid of 13 October 1990 - Encounter data |  |  |  |
| 3 | Fireball parameters | begin | perigee | end |
| 4 | Velocity | 41.74 km/s | 41.74 km/s | 41.74 km/s |
| 5 | Height | 103.7 km | 98.67 km | 100.4 km |
| 6 | Coordinates | 49°03′00″N 17°39′00″E / 49.050°N 17.650°E | 51°21′00″N 17°18′00″E / 51.350°N 17.300°E | 52°40′59″N 17°04′01″E / 52.683°N 17.067°E |
| 7 | Absolute magnitude | −5.6 | −6.2 | −6.1 |
| 8 | Apparent magnitude | −5.7 | −6.3 | −5.4 |

Question: How fast was the Earth-grazing meteoroid of October 13th, 1990 moving?
Answer: The Earth-grazing meteoroid moved at a speed of 41.74 km per second.