(163132) 2002 CU11

(163132) 2002 CU11
Discovery[1]
Discovered by LINEAR (704)
Discovery date 7 February 2002
Designations
MPC designation (163132) 2002 CU11
Apollo NEO,
PHA[2]
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 4600 days (12.59 yr)
Aphelion 1.5795 AU (236.29 Gm) (Q)
Perihelion 0.85959 AU (128.593 Gm) (q)
1.2196 AU (182.45 Gm) (a)
Eccentricity 0.29517 (e)
1.35 yr (491.94 d)
47.609° (M)
0° 43m 54.48s / day (n)
Inclination 48.782° (i)
157.77° (Ω)
110.54° (ω)
Earth MOID 0.00189035 AU (282,792 km)
Jupiter MOID 3.89256 AU (582.319 Gm)
Physical characteristics
Dimensions ~730 meters (2,400 ft)[3]
Mass 5.3×1011 kg (assumed)
18.5[2]

    (163132) 2002 CU11, provisionally known as 2002 CU11, is a near-Earth asteroid and potentially hazardous object.[2] It was discovered on 7 February 2002 by Lincoln Near-Earth Asteroid Research (LINEAR) at an apparent magnitude of 19 using a 1.0-meter (39 in) reflecting telescope.[1] It has an estimated diameter of 730 meters (2,400 ft).[3] The asteroid was listed on Sentry Risk Table with a Torino Scale rating of 1 on 20 March 2002.[3]

    With an observation arc of 44 days, (163132) 2002 CU11 showed a 1 in 9,300 chance of impacting Earth in 2049.[4] It was removed from the Sentry Risk Table on 26 April 2002.[5] It is now known that on 3 September 2049 the asteroid will be 0.0843 AU (12,610,000 km; 7,840,000 mi) from Earth.[6]

    Even though using an epoch of 27 June 2015 gives 2002 CU11 an Earth-MOID of 0.0000093 AU (1,390 km; 860 mi),[2] the asteroid does not make any threatening approaches to Earth in the foreseeable future.

    Notable close-approaches to Earth[6]
    Date Distance from Earth
    1925-08-30 0.0023 AU (340,000 km; 210,000 mi)
    2014-08-30 0.0346 AU (5,180,000 km; 3,220,000 mi)
    2049-09-03 0.0843 AU (12,610,000 km; 7,840,000 mi)
    2080-08-31 0.0042 AU (630,000 km; 390,000 mi)

    References

    1. 1 2 "MPEC 2002-C44 : 2002 CU11". IAU Minor Planet Center. 2002-02-08. Retrieved 2013-09-18. (K02C11U)
    2. 1 2 3 4 5 "JPL Small-Body Database Browser: 163132 (2002 CU11)" (2010-08-11 last obs and observation arc=8.5 years). Jet Propulsion Laboratory. Archived from the original on 10 January 2016. Retrieved 7 April 2016.
    3. 1 2 3 "Current Impact Risks (2002 CU11)". Near-Earth Object Program. NASA. 2002-03-21. Archived from the original on March 21, 2002.
    4. ↑ Andrea Milani; Giovanni Valsecchi & Maria Eugenia Sansaturio (2002). "The problem with 2002 CU11". Spaceguard / Tumbling Stone. Retrieved 2013-09-18.
    5. ↑ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Retrieved 2013-09-18.
    6. 1 2 "JPL Close-Approach Data: 163132 (2002 CU11)" (2010-08-11 last obs and observation arc=8.5 years). Retrieved 2013-09-18.

    External links

    Preceded by
    (152680) 1998 KJ9    		 Large NEO Earth close approach
    (inside the orbit of the Moon)
    30 August 1925     		Succeeded by
    2002 JE9
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