PHA

Potentially Hazardous Asteroids (PHAs) are space rocks larger than approximately 100m that can come closer to Earth than 0.05 AU. None of the known PHAs is on a collision course with our planet, although astronomers are finding new ones all the time.
On May 28, 2018 there were 1912 potentially hazardous asteroids.
Recent & Upcoming Earth-asteroid encounters:
Asteroid
Date(UT)
Miss Distance
Velocity (km/s)
Diameter (m)
2018 KS
2018-May-22
2.1 LD
7.7
9
2018 JK
2018-May-22
16.3 LD
12.5
81
2018 KT2
2018-May-23
2.5 LD
8.6
15
2018 KW1
2018-May-23
0.4 LD
7.3
4
2018 KW2
2018-May-23
10.2 LD
12.4
47
2018 KP2
2018-May-24
11.8 LD
13.2
44
2018 JG2
2018-May-25
18.5 LD
6.9
62
2018 KY2
2018-May-26
0.8 LD
12.2
13
2018 JK3
2018-May-27
19.7 LD
21.8
165
2018 KR
2018-May-28
15.7 LD
4
19
68347
2018-May-29
9.5 LD
13.3
389
2018 KN2
2018-May-29
6.1 LD
8
29
2013 LE7
2018-May-31
17.8 LD
1.7
12
2018 KE1
2018-Jun-01
10.8 LD
16.2
33
2018 EJ4
2018-Jun-10
5.6 LD
6.2
195
2015 DP155
2018-Jun-11
9 LD
4.4
170
2017 YE5
2018-Jun-21
15.6 LD
15.5
513
467309
2018-Jun-23
17.9 LD
14
355
441987
2018-Jun-24
7.3 LD
12.6
178
Notes: LD means "Lunar Distance." 1 LD = 384,401 km, the distance between Earth and the Moon. 1 LD also equals 0.00256 AU. MAG is the visual magnitude of the asteroid on the date of closest approach.
  Near Earth Asteroids   spaceweather.com

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