| Discovery[1] | |
|---|---|
| Discovered by | Mt. Lemmon Survey (G96) 1.5-m reflector |
| Discovery date | 28 March 2008 |
| Designations | |
| Orbital characteristics[2] | |
| Epoch 31 March 2008 (JD 2454556.5) | |
| Uncertainty parameter 9 | |
| Aphelion | 4.49421629 AU (672.325187 Gm) |
| Perihelion | 0.079138425 AU (11.8389399 Gm) |
| 2.28667736 AU (342.082064 Gm) | |
| Eccentricity | 0.96539152 |
| 3.46 yr (1263.0 d) | |
| 12.042691° | |
| 0° 17m 6.123s / day | |
| Inclination | 2.6285675° |
| 15.296731° | |
| 19.899259° | |
| Earth MOID | 0.00725225 AU (1,084,921 km) |
| Jupiter MOID | 0.964477 AU (144.2837 Gm) |
| Physical characteristics | |
| Dimensions | 70–160 m[3] |
| 23.1 | |
2008 FF5 is the asteroid with the second-smallest knownperihelion of any known object orbiting theSun. Its extreme orbitaleccentricity brings it within 0.079 AU of the Sun (26% ofMercury's perihelion) and as far as 4.487 AU from the Sun (well beyond the orbit ofMars).
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