| 词条 | 2008 FF5 |
| 释义 |
| minorplanet=yes | background=#FFC2E0 | name=2008 FF5 | discovery_ref=[1] | discoverer=Mt. Lemmon Survey (G96) 1.5-m reflector | discovered=2008-03-28 | alt_names= | mp_category=Mercury crosser, Venus crosser, Apollo Asteroid, Earth crosser, Mars crosser | orbit_ref= | epoch=31 March 2008 (JD 2454556.5) | semimajor={{Convert|2.28667736|AU|Gm|abbr=on}} | perihelion={{Convert|0.079138425|AU|Gm|abbr=on}} | aphelion={{Convert|4.49421629|AU|Gm|abbr=on|lk=on}} | eccentricity=0.96539152 | period=3.46 yr (1263.0 d) | inclination=2.6285675° | asc_node=15.296731° | arg_peri=19.899259° | mean_anomaly=12.042691° | dimensions=70–160 m [3] | escape_velocity= | rotation= | spectral_type= | abs_magnitude=23.1 | mean_motion={{Deg2DMS|0.28503405|sup=ms}} /day | uncertainty=9 | moid={{Convert|0.00725225|AU|km|abbr=on}} | jupiter_moid={{Convert|0.964477|AU|Gm|abbr=on}} }} {{mp|2008 FF|5}} 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). References1. ^1 {{Cite web |title=MPEC 2008-F50 : 2008 FF5 |publisher=IAU Minor Planet Center |date=2008-03-29 |url=http://www.minorplanetcenter.org/mpec/K08/K08F50.html |accessdate=2014-03-05}} (K08F05F) [1][2]2. ^1 {{Cite web |title=NEODyS 2008 FF5 |publisher=Near Earth Objects - Dynamic Site |url=http://newton.dm.unipi.it/neodys/index.php?pc=1.1.9&n=2008%20FF5 |accessdate=2014-03-07}} }} External links
5 : Apollo asteroids|Minor planet object articles (unnumbered)|Mercury-crossing asteroids|Venus-crosser asteroids|Astronomical objects discovered in 2008 |
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