2019 LF6
2019 LF6 is a near-Earth object of the Atira group. After 2021 PH27, it has the second-smallest semi-major axis among the known asteroids (0.555 AU), beating the previously-held record of 2019 AQ3. It orbits the Sun in 151 days.
Highly inclined orbit of 2019 LF6 passing within Mercury's orbit, and slightly outside Venus's orbit | |
| Discovery | |
|---|---|
| Discovered by | Zwicky Transient Facility |
| Discovery site | Palomar Obs. |
| Discovery date | 10 June 2019 (first observed only) |
| Designations | |
MPC designation | 2019 LF6 |
Minor planet category | NEO · Atira |
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 358 days |
| Aphelion | 0.7938 AU |
| Perihelion | 0.3170 AU |
Semi-major axis | 0.5554 AU |
| Eccentricity | 0.42928 |
Orbital period (sidereal) | 0.41 yr (151.2 d) |
Mean anomaly | 347.653° |
Mean motion | 2° 22m 51.74s / day |
| Inclination | 29.506° |
Longitude of ascending node | 179.029° |
| 213.779° | |
| Earth MOID | 0.2608 AU |
| Physical characteristics | |
Mean diameter | 1–2 km (est. at 0.05–0.15) |
| 17.200±0.398 | |
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