2020 PP1
| Discovery | |
|---|---|
| Discovered by | Pan-STARRS 1 |
| Discovery site | Haleakalā Obs. |
| Discovery date | 12 August 2020 |
| Designations | |
| 2020 PP1 | |
| P113Iyv | |
| Orbital characteristics | |
| Epoch 1 July 2021 (JD 2459396.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 3.94 yr (1,438 days) |
| Earliest precovery date | 24 August 2017 |
| Aphelion | 1.075 AU |
| Perihelion | 0.9278 AU |
| 1.001 AU | |
| Eccentricity | 0.07356 |
| 3.99 yr | |
| 87.711° | |
| 0° 59m 0.667s / day | |
| Inclination | 5.8636° |
| 140.603° | |
| 2 April 2021 19:40 UT | |
| 43.210° | |
| Earth MOID | 0.03257 AU |
| TJupiter | 6.066 |
| Physical characteristics | |
| 10–30 m (assumed albedo 0.04–0.20) | |
| 20.4 (at discovery) | |
| 26.7 · 26.6 | |
2020 PP1 is a sub-kilometer asteroid, classified as a near-Earth object of the Apollo group, that is a stable quasi-satellite of the Earth. There are over a dozen known Earth quasi-satellites, some of which switch periodically between the quasi-satellite and horseshoe co-orbital states.