On the day 8 September 2 asteroids, rare event, will pass between the Earth and the Moon.
The first (2010 RX30) will pass at 0.0017 A.U.; it has a diameter of 15 meters.
The second (2010 RF12) will pass at only 0.0005 A.U., but with a smaller diameter, 10m.
They follow ephemerides and and orbital elements
2010 RX30 Earth MOID = 0.0011 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 190.93133 (2000.0) P Q
n 1.32341303 Peri. 321.19520 -0.61041381 -0.79186476
a 0.8216227 Node 166.39094 +0.74498508 -0.58192799
e 0.3960140 Incl. 4.52882 +0.26905802 -0.18522962
P 0.74 H 27.1 G 0.15 U 7
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 09 07.0 23 59.46 +22 25.9 0.00822 1.015 148.0 31.7 18.1
2010 09 07.1 23 56.02 +22 47.3 0.00767 1.014 148.1 31.6 17.9
2010 09 07.2 23 52.02 +23 11.8 0.00711 1.014 148.2 31.6 17.7
2010 09 07.3 23 47.32 +23 39.8 0.00656 1.013 148.3 31.5 17.6
2010 09 07.4 23 41.70 +24 12.4 0.00601 1.013 148.3 31.6 17.4
2010 09 07.5 23 34.89 +24 50.4 0.00546 1.012 148.2 31.7 17.2
2010 09 07.6 23 26.48 +25 35.2 0.00492 1.012 147.9 31.9 16.9
2010 09 07.7 23 15.85 +26 28.5 0.00438 1.011 147.4 32.4 16.7
2010 09 07.8 23 02.09 +27 31.9 0.00386 1.011 146.5 33.4 16.5
2010 09 07.9 22 43.70 +28 47.0 0.00335 1.010 144.9 34.9 16.2
2010 09 08.0 22 18.28 +30 12.9 0.00287 1.010 142.2 37.7 15.9
2010 09 08.1 21 42.01 +31 40.3 0.00242 1.009 137.5 42.4 15.7
2010 09 08.2 20 49.53 +32 36.0 0.00204 1.009 129.8 50.1 15.5
2010 09 08.3 19 37.11 +31 37.7 0.00177 1.008 117.8 62.2 15.6
2010 09 08.4 18 12.06 +27 03.5 0.00166 1.008 101.8 78.1 15.9
2010 09 08.5 16 54.08 +19 26.0 0.00174 1.007 85.1 94.8 16.7
2010 09 08.6 15 55.42 +11 38.7 0.00199 1.007 71.3 108.6 17.7
2010 09 08.7 15 14.60 +05 27.2 0.00235 1.006 61.4 118.5 18.7
2010 09 08.8 14 46.18 +00 56.5 0.00279 1.006 54.6 125.2 19.6
2010 09 08.9 14 25.82 -02 18.8 0.00326 1.005 49.9 129.9 20.4
2010 09 09.0 14 10.72 -04 42.5 0.00377 1.005 46.6 133.3 21.0
hey thanks for the info. not sure what a 15m asteroid would do if it made a direct hit in the middle of a city. My guess is there would be very limited damage and much would burn up before impact