Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 6 20.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 06/20/2015   06:57:00   (  20.04, -77.25) 06/20/2015   06:49:04    (  19.94, -76.72)   56.59            476
 06/20/2015   08:33:32   (  28.54, -99.91) 06/20/2015   08:28:07    (  28.54, -99.90)    1.08            325
 06/20/2015   10:09:21   (  39.58,-121.54) 06/20/2015   10:06:26    (  39.67,-121.98)   39.38            175
 06/23/2015   07:19:34   (  49.89, -76.10) 06/23/2015   07:24:46    (  50.28, -78.27)  160.45            312
 06/23/2015   08:58:27   (  49.89,-100.82) 06/23/2015   09:06:13    (  50.44,-103.57)  204.96            466
 06/25/2015   18:17:41   (  49.97, -80.25) 06/25/2015   18:15:01    (  49.72, -81.74)  110.50            160
 06/25/2015   19:56:34   (  49.97,-104.97) 06/25/2015   19:56:29    (  49.62,-107.07)  155.75              5
 06/25/2015   21:29:21   (  28.09,-122.73) 06/25/2015   21:31:40    (  27.59,-125.12)  241.35            139
 06/28/2015   07:46:20   (  20.05, -89.60) 06/28/2015   07:39:44    (  20.02, -89.40)   20.66            396
 06/28/2015   09:21:00   (  35.21,-110.46) 06/28/2015   09:16:52    (  35.28,-110.69)   21.75            248