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2005 Tn53

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2005 Tn53

2005 TN53
Discovery
Discovery date 2005
Designations
Trojan asteroid
Orbital characteristics[1][2]
Epoch 2012-Mar-14.0 (JD 2456000.5)
Aphelion 32.36 AU
Perihelion 28.20 AU
30.28 AU
Eccentricity 0.068
166.6 yr (60,856 d)
296.1°
Inclination 24.966°
9.2746°
84.1°
Physical characteristics
Dimensions 40–90 km[3]
9.1[1]

2005 TN53 (also written 2005 TN53) is a Neptune trojan discovered by Scott S. Sheppard and Chadwick A. Trujillo in 2005.[4] It was the third such body to be discovered. It has the same orbital period as Neptune and orbits at the L4 Lagrangian point about 60 degrees ahead of Neptune.[5]

It has an inclination of 25 degrees.[1][5]

With an absolute magnitude of 9.1,[1] it is likely the smallest known Neptune trojan with a diameter in the range of 40 to 90 km.[3]

It has been observed 23 times over 3 oppositions.[1]

References

  1. ^ a b c d e "JPL Small-Body Database Browser: 2005 TN53". Retrieved 2008-05-08. 
  2. ^ 2005 TN53AstDys-2 about
  3. ^ a b "Absolute Magnitude (H)". Archived from the original on 14 May 2008. Retrieved 2008-05-08. 
  4. ^ Sheppard, Scott S.; Trujillo, Chadwick A. (June 2006). "A Thick Cloud of Neptune Trojans and Their Colors" (PDF). Science 313 (5786): 511–514.  
  5. ^ a b "List Of Neptune Trojans". Minor Planet Center. Archived from the original on 11 May 2008. Retrieved 2008-05-08. 

External links

  • Orbital simulation from JPL (Java) / Ephemeris
  • Three New "Trojan" Asteroids Found Sharing Neptune's Orbit by Scott S. Sheppard (includes image of 2005 TN53)
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