Discovery[1] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 9 July 2002 |
Designations | |
(163348) 2002 NN4 | |
2002 NN4 | |
NEO · PHA · Aten[1][2] | |
Orbital characteristics[2] | |
Epoch 31 May 2020 (JD 2459000.5) | |
Uncertainty parameter 0[2] · 2[1] | |
Observation arc | 14.16 yr (5,171 d) |
Aphelion | 1.2572 AU |
Perihelion | 0.4956 AU |
0.8764 AU | |
Eccentricity | 0.4345 |
300 days | |
83.774° | |
1° 12m 4.68s / day | |
Inclination | 5.4177° |
259.48° | |
222.23° | |
Earth MOID | 0.0069 AU (2.69 LD) |
Physical characteristics | |
14.50±0.03 h[5][a] | |
X[3] | |
20.1[1][2][4] | |
(163348) 2002 NN4 (prov. designation: 2002 NN4) is a dark, sub-kilometer near-Earth object and potentially hazardous asteroid of the Aten group that flew by Earth on 6 June 2020. The highly elongated X-type asteroid has a rotation period of 14.5 hours and measures approximately 0.7 kilometers (0.4 miles) in diameter.[2][6] It was discovered by LINEAR at the Lincoln Laboratory's Experimental Test Site in New Mexico on 9 July 2002.[1]
MPC-object
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).Perna-2018b
was invoked but never defined (see the help page).Masiero-2017
was invoked but never defined (see the help page).Warner-2017c
was invoked but never defined (see the help page).lcdb
was invoked but never defined (see the help page).
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