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2010 XG11

Summary

2010 XG11 is an Amor near-Earth asteroid.[2] It was discovered on 5 December 2010 by the Catalina Sky Survey at an apparent magnitude of 19.7 using a 0.68-meter (27 in) Schmidt–Cassegrain telescope.[1] Three precovery images are known from 1 July 1995.[4] With an observation arc of 16 years, the orbit is well determined with an orbital uncertainty of 0.[2] With an absolute magnitude of 20.0,[2] the asteroid is about 270–590 meters in diameter.[3]

2010 XG11
Discovery[1]
Discovered byCatalina Sky Survey (703)
Discovery date5 December 2010
Designations
2010 XG11
Amor NEO[2]
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc6191 days (16.95 yr)
Aphelion2.1736 AU (325.17 Gm) (Q)
Perihelion1.1349 AU (169.78 Gm) (q)
1.6543 AU (247.48 Gm) (a)
Eccentricity0.31395 (e)
2.13 yr (777.15 d)
192.11° (M)
0° 27m 47.628s /day (n)
Inclination25.129° (i)
256.05° (Ω)
87.799° (ω)
Earth MOID0.353357 AU (52.8615 Gm)
Jupiter MOID3.44289 AU (515.049 Gm)
Physical characteristics
Dimensions~270 – 590 meters[3]
19.3 – 24.9
20.0[2]

With a Mars-minimum orbit intersection distance of 0.002 AU (300,000 km; 190,000 mi), the asteroid currently makes closer approaches to Mars than it does Earth.[4] On 29 July 2014 the asteroid passed 0.00805 AU (1,204,000 km; 748,000 mi) from Mars.[5][6]

References edit

  1. ^ a b "MPEC 2010-X62 : 2010 XG11". IAU Minor Planet Center. 6 December 2010. Retrieved 29 June 2014. (K10X11G)
  2. ^ a b c d e f "JPL Small-Body Database Browser: (2010 XG11)" (last observation: 2012-06-12; arc: 16.9 yr). Jet Propulsion Laboratory. Retrieved 31 March 2016.
  3. ^ a b "Absolute Magnitude (H)". NASA/JPL. Archived from the original on 2 March 2001. Retrieved 29 June 2014.
  4. ^ a b "2010 XG11 Orbit". IAU Minor Planet Center. Retrieved 29 June 2014.
  5. ^ "JPL Close-Approach Data: (2010 XG11)" (last observation: 2012-06-12; arc: 16.9 yr). Retrieved 29 June 2014.
  6. ^ "2010XG11 Close Approaches". NEODyS (Near Earth Objects – Dynamic Site). Retrieved 29 June 2014.

External links edit

  • 2010 XG11 at NeoDyS-2, Near Earth Objects—Dynamic Site
    • Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
  • 2010 XG11 at ESA–space situational awareness
    • Ephemerides · Observations · Orbit · Physical properties · Summary
  • 2010 XG11 at the JPL Small-Body Database  
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters