Discovery[1] | |
---|---|
Discovered by | Spacewatch |
Discovery site | Kitt Peak National Obs. |
Discovery date | 8 March 2003 |
Designations | |
(177049) 2003 EE16 | |
NEO · PHA · Apollo[2] | |
Orbital characteristics[2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 4429 days (12.13 yr) |
Earliest precovery date | 17 May 2002 |
Aphelion | 2.2878 AU (342.25 Gm) |
Perihelion | 0.54666 AU (81.779 Gm) |
1.4172 AU (212.01 Gm) | |
Eccentricity | 0.61427 |
1.69 yr (616.24 d) | |
296.40° | |
0° 35m 3.084s / day | |
Inclination | 0.64964° |
127.04° | |
259.67° | |
Earth MOID | 9.93475×10−5 AU (1.486217×104 km) |
Physical characteristics | |
0.320 km[3] | |
Mass | 5.1×1010 kg (assumed) |
19.7[2] | |
(177049) 2003 EE16, provisionally known as 2003 EE16, is an Apollo near-Earth asteroid and potentially hazardous object.[2] It was discovered on 8 March 2003 by LPL/Spacewatch II at an apparent magnitude of 20 using a 1.8-meter (71 in) reflecting telescope.[1] It has an estimated diameter of 320 meters (1,050 ft).[3] The asteroid was listed on Sentry Risk Table with a Torino Scale rating of 1 on 2 April 2003.[3]
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