Key Facts
- Categorized as a Apollo-class Asteroid
- Comparable in size to a football field
- Will pass within 24,669,658 km of Earth in 2031
- Classified as a Near Earth Asteroid (NEA)
- Classified as a Potentially Hazardous Asteroid (PHA)
- See orbit simulation
Overview
175729 (1998 BB10) is a very small asteroid whose orbit crosses the orbit of Earth. NASA JPL has classified 1998 BB10 as a "Potentially Hazardous Asteroid" due to its predicted close pass(es) with Earth.
1998 BB10 orbits the sun every 524 days (1.43 years), coming as close as 0.73 AU and reaching as far as 1.81 AU from the sun. Based on its brightness and the way it reflects light, 1998 BB10 is probably between 0.216 to 0.483 kilometers in diameter, making it a small to average asteroid, very roughly comparable in size to a football field.
1998 BB10's spectral type None (Tholen) / Sq (SMASSII) indicates that it is likely to contain and .
Close Approaches
1998 BB10's orbit is 0.02 AU from Earth's orbit at its closest point. This means that there is a wide berth between this asteroid and Earth at all times.
1998 BB10 has 18 close approaches predicted in the coming decades:
| Date | Distance from Earth (km) | Velocity (km/s) |
|---|---|---|
| Jan. 2, 2031 | 24,669,658 | 9.556 |
| July 21, 2033 | 3,434,170 | 13.603 |
| Jan. 11, 2041 | 10,317,662 | 14.674 |
| Aug. 11, 2043 | 27,465,661 | 9.631 |
| July 11, 2066 | 28,816,226 | 18.808 |
| Jan. 3, 2074 | 23,263,234 | 9.808 |
| July 22, 2076 | 3,588,053 | 13.375 |
| Jan. 14, 2084 | 16,072,992 | 16.161 |
| Jan. 2, 2107 | 26,452,445 | 9.246 |
| July 23, 2109 | 3,361,978 | 13.403 |
| Jan. 17, 2117 | 24,180,599 | 17.868 |
| July 16, 2132 | 16,348,124 | 16.483 |
| Jan. 13, 2140 | 9,795,944 | 14.528 |
| July 12, 2155 | 28,538,478 | 18.756 |
| Jan. 10, 2163 | 9,431,717 | 12.853 |
| Aug. 6, 2165 | 23,418,509 | 9.959 |
| Jan. 5, 2186 | 19,391,563 | 10.517 |
| July 28, 2188 | 10,782,113 | 11.846 |
Images and Observations
1998 BB10's orbit is determined by observations dating back to Jan. 25, 1998. It was last officially observed on July 6, 2023. The IAU Minor Planet Center records 241 observations used to determine its orbit.
Accessibility and Exploration
This asteroid is not considered a viable target for human exploration by the NHATS study.Similar Objects
These objects have orbits that share similar characteristics to the orbit of 1998 BB10:References
Search
or view a random objectOrbital Elements
- Epoch: 2460200.5 JD
- Semi-major axis: 1.271 AU
- Eccentricity: 0.4247
- Inclination: 11.54°
- Longitude of Ascending Node: 124.28°
- Argument of Periapsis: 259.24°
- Mean Anomaly: 5.61°
Physical Characteristics
- Diameter: ~0.279 km
- Magnitude: 20.45
- Spectral type (SMASS): Sq
Derived Characteristics
- Orbit Period: 524 days (1.43 years)
- Avg. Orbit Speed: 26.39 km/s
- Aphelion Distance: 1.81 AU
- Perihelion Distance: 0.73 AU
- Approx. Composition: and .
Map Comparison
Orbit Simulation
Sky Map
The position of 175729 (1998 BB10) is indicated by a ◯ pink circle. Note that the object may not be in your current field of view. Use the controls below to adjust position, location, and time.
Size Rendering
The below comparison is an artistic rendering that uses available data on the diameter of 1998 BB10 to create an approximate landscape rendering with New York City in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.
