138258 (2000 GD2) is a small asteroid whose orbit could bring it in close proximity to Earth. NASA JPL has classified 2000 GD2 as a "Near Earth Asteroid" due to its orbit's proximity to Earth, but it is not considered potentially hazardous because computer simulations have not indicated any imminent likelihood of future collision.
2000 GD2 orbits the sun every 241 days (0.66 years), coming as close as 0.40 AU and reaching as far as 1.12 AU from the sun. Based on its brightness and the way it reflects light, 2000 GD2 is probably between 0.425 to 0.951 kilometers in diameter, making it larger than ~97% of asteroids but small compared to large asteroids, very roughly comparable in size to the Golden Gate Bridge.
2000 GD2's spectral type None (Tholen) / Sq (SMASSII) indicates that it is likely to contain and .
2000 GD2's orbit is 0.07 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.
2000 GD2 has 25 close approaches predicted in the coming decades:
Date | Distance from Earth (km) | Velocity (km/s) |
---|---|---|
March 14, 2031 | 18,876,631 | 19.187 |
March 15, 2033 | 10,809,942 | 17.568 |
March 18, 2035 | 15,694,126 | 16.743 |
March 22, 2037 | 25,460,037 | 16.556 |
March 14, 2062 | 21,947,367 | 19.731 |
March 14, 2064 | 11,608,500 | 17.892 |
March 17, 2066 | 13,725,818 | 16.869 |
March 21, 2068 | 23,134,857 | 16.543 |
March 14, 2093 | 25,026,749 | 20.249 |
March 15, 2095 | 13,184,397 | 18.244 |
March 17, 2097 | 12,031,537 | 17.055 |
March 21, 2099 | 20,809,985 | 16.585 |
March 16, 2124 | 28,027,917 | 20.801 |
March 16, 2126 | 15,156,090 | 18.604 |
March 17, 2128 | 11,011,490 | 17.222 |
March 21, 2130 | 18,884,916 | 16.615 |
March 25, 2132 | 28,880,964 | 16.593 |
March 16, 2157 | 17,058,749 | 18.954 |
March 17, 2159 | 10,570,894 | 17.424 |
March 20, 2161 | 17,100,420 | 16.683 |
March 25, 2163 | 27,099,609 | 16.563 |
March 15, 2188 | 19,227,584 | 19.309 |
March 17, 2190 | 10,648,378 | 17.637 |
March 19, 2192 | 15,434,895 | 16.767 |
March 24, 2194 | 25,364,233 | 16.560 |
2000 GD2's orbit is determined by observations dating back to March 29, 1998. It was last officially observed on May 2, 2023. The IAU Minor Planet Center records 244 observations used to determine its orbit.
The position of 138258 (2000 GD2) 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.
The above comparison is an artistic rendering that uses available data on the diameter of 2000 GD2 to create an approximate landscape rendering with Mount Everest in the background. This approximation is built for full-resolution desktop browsers. Shape, color, and texture of asteroid are imagined.