| Discovery | |
|---|---|
| Discovered by | Mt. Lemmon Survey (G96) 1.5-m reflector |
| Discovery date | 28 March 2008 |
| Designations | |
| Minor planet category | |
| Orbital characteristics | |
| Epoch 31 March 2008 (JD 2454556.5) | |
| Uncertainty parameter 9 | |
| Aphelion | 4.49421629 AU (672.325187 Gm) |
| Perihelion | 0.079138425 AU (11.8389399 Gm) |
| Semi-major axis | 2.28667736 AU (342.082064 Gm) |
| Eccentricity | 0.96539152 |
| Orbital period (sidereal) | 3.46 yr (1263.0 d) |
| Mean anomaly | 12.042691° |
| Mean motion | 0° 17 6.123 / day |
| Inclination | 2.6285675° |
| Longitude of ascending node | 15.296731° |
| Argument of perihelion | 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 |
| Absolute magnitude (H) | 23.1 |
2008 FF5 is the asteroid with the second-smallest known perihelion of any known object orbiting the Sun. Its extreme orbital eccentricity brings it within 0.079 AU of the Sun (26% of Mercury's perihelion) and as far as 4.487 AU from the Sun (well beyond the orbit of Mars).
References
- "MPEC 2008-F50 : 2008 FF5". IAU Minor Planet Center. 29 March 2008. Retrieved 5 March 2014. (K08F05F)
- "JPL Small-Body Database Browser: (2008 FF5)" (2008-04-08 last obs (arc=11 days)). Jet Propulsion Laboratory. Retrieved 30 March 2016.
- "NEODyS 2008 FF5". Near Earth Objects – Dynamic Site. Retrieved 7 March 2014.
External links
- 2008 FF5 at NeoDyS-2, Near Earth Objects—Dynamic Site
- 2008 FF5 at ESA–space situational awareness
- 2008 FF5 at the JPL Small-Body Database
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| Minor planets |
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