![]() Orbit before and after 2018 flyby | |
Discovery [1] | |
---|---|
Discovered by | Mount Lemmon Srvy. |
Discovery site | Mount Lemon Obs. |
Discovery date | 26 February 2018 (first observed only) |
Designations | |
2018 DV1 | |
NEO · Aten [1][2] | |
Orbital characteristics [2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 5 | |
Observation arc | 1 day |
Aphelion | 1.1494 AU |
Perihelion | 0.8230 AU |
0.9862 AU | |
Eccentricity | 0.1655 |
358 days | |
298.67° | |
1° 0m 23.04s / day | |
Inclination | 5.1554° |
341.12° | |
281.37° | |
Earth MOID | 0.000159 AU (0.062 LD) |
Physical characteristics | |
6 m (est. at 0.20)[3] 12 m (est. at 0.057)[3] | |
28.4[2] | |
2018 DV1 is a micro-asteroid, classified as a near-Earth object of the Aten group, approximately 6–12 meters (20–40 feet) in diameter. It was first observed on 26 February 2018, by astronomers of the Mount Lemmon Survey at Mount Lemmon Observatory, Arizona, five days prior to its sub-lunar close encounter with Earth at less than 0.3 lunar distance.[1]