Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 6 18.  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   (  20.06, -77.25) 06/20/2015   06:49:04    (  19.95, -76.72)   56.60            476
 06/20/2015   08:33:34   (  28.43, -99.94) 06/20/2015   08:28:09    (  28.43, -99.93)    0.93            325
 06/20/2015   10:09:22   (  39.53,-121.55) 06/20/2015   10:06:27    (  39.62,-122.00)   39.47            175
 06/23/2015   07:19:34   (  49.90, -76.10) 06/23/2015   07:24:45    (  50.34, -78.24)  160.39            311
 06/23/2015   08:58:27   (  49.90,-100.82) 06/23/2015   09:06:13    (  50.45,-103.56)  204.90            466
 06/25/2015   18:17:41   (  49.97, -80.24) 06/25/2015   18:15:01    (  49.72, -81.74)  110.51            160
 06/25/2015   19:56:33   (  49.97,-104.96) 06/25/2015   19:56:28    (  49.62,-107.07)  155.75              5
 06/25/2015   21:29:20   (  28.09,-122.73) 06/25/2015   21:31:39    (  27.59,-125.12)  241.34            139
 06/28/2015   07:46:19   (  20.05, -89.60) 06/28/2015   07:39:43    (  20.01, -89.40)   20.64            396
 06/28/2015   09:21:00   (  35.21,-110.46) 06/28/2015   09:16:52    (  35.27,-110.69)   21.72            248