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teknopedia

Flag Counter
  2. World Encyclopedia
  3. 2012 FN
2012 FN
From Wikipedia, the free encyclopedia

2012 FN
Discovery
Discovered byMount Lemmon Survey (G96)
Discovery date17 March 2012
Designations
Apollo NEO[1]
Orbital characteristics[1]
Epoch 17 March 2012 (JD 2456003.5)
Uncertainty parameter 9
Aphelion1.4500 AU (216.92 Gm)
Perihelion0.99291 AU (148.537 Gm)
1.2214 AU (182.72 Gm)
Eccentricity0.18710
1.35 yr (493.07 d)
21.742°
0° 43m 48.432s /day
Inclination3.2329°
356.91°
147.89°
Earth MOID0.015601 AU (2.3339 Gm)
Jupiter MOID3.54794 AU (530.764 Gm)
Physical characteristics
Dimensions~5 meters (16 ft)
29.2[1]

2012 FN is an Apollo asteroid and a near-Earth object[1] that has a 1 in 4 billion chance of impacting Earth on 7 March 2113.[2] It is estimated to be 5 meters in diameter, which means that it poses no threat if it impacts Earth. An impact would have the kinetic energy of about 3 kt of TNT,[2] and would probably result in an air burst in the upper atmosphere. It is the least threatening asteroid listed on the Sentry Risk Table.[3] The very short observation arc of only 3 hours[2] results in a very poorly constrained orbit, and it could just as easily be 2 AU from Earth on 7 March 2113.[4]

See also

[edit]

References

[edit]
  1. ^ a b c d "JPL Small-Body Database Browser: (2012 FN)" (last observation: 2012-03-17; arc: 3 hours; uncertainty: 9). Jet Propulsion Laboratory. Retrieved 1 April 2016.
  2. ^ a b c NASA JPL. "2012 FN Impact Risk". Archived from the original on 31 July 2014. Retrieved 25 October 2014.
  3. ^ Sentry Risk Table (NASA JPL)
  4. ^ "2012FN Ephemerides for 6-8 March 2113". NEODyS (Near Earth Objects – Dynamic Site). Retrieved 25 October 2014.
[edit]


Stub icon

This near-Earth asteroid-related article is a stub. You can help Wikipedia by adding missing information.

Retrieved from "https://en.wikipedia.org/w/index.php?title=2012_FN&oldid=1312961695"
Sunting pranala
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