Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2016 9 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)
 09/21/2016   06:29:50   (  46.34, -65.04) 09/21/2016   06:30:53    (  46.72, -66.95)  152.51             63
 09/21/2016   08:07:43   (  49.91, -88.34) 09/21/2016   08:11:19    (  50.41, -90.75)  180.55            216
 09/21/2016   09:46:36   (  49.91,-113.06) 09/21/2016   09:52:47    (  50.52,-116.08)  224.99            371
 09/23/2016   19:05:51   (  49.96, -92.51) 09/23/2016   19:01:39    (  49.67, -94.34)  134.75            252
 09/23/2016   20:44:43   (  49.96,-117.23) 09/23/2016   20:43:06    (  49.55,-119.66)  180.05             97
 09/26/2016   08:34:17   (  20.86,-101.67) 09/26/2016   08:26:11    (  20.90,-101.77)   11.61            486
 09/26/2016   10:10:39   (  29.96,-124.15) 09/26/2016   10:05:04    (  30.09,-124.76)   60.49            335