Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2014 12 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)
 12/20/2014   20:14:46   (  50.00,-109.60) 12/20/2014   20:06:26    (  50.43,-109.05)   62.49            500
 12/21/2014   06:30:42   (  46.45, -65.03) 12/21/2014   06:38:03    (  47.86, -66.70)  201.62            441
 12/23/2014   17:27:56   (  49.97, -67.88) 12/23/2014   17:27:34    (  49.76, -69.10)   89.94             22
 12/23/2014   19:04:40   (  42.29, -89.73) 12/23/2014   19:06:49    (  41.97, -91.42)  144.16            129
 12/23/2014   20:41:03   (  33.30,-111.73) 12/23/2014   20:45:42    (  32.85,-113.92)  210.21            279
 12/26/2014   06:56:39   (  20.05, -77.20) 12/26/2014   06:52:15    (  19.97, -76.78)   45.26            264
 12/26/2014   08:31:13   (  35.64, -97.94) 12/26/2014   08:29:17    (  35.63, -97.95)    1.21            116
 12/26/2014   10:06:07   (  49.89,-117.75) 12/26/2014   10:06:40    (  49.94,-118.14)   28.41             33
 12/28/2014   21:04:16   (  49.94,-121.95) 12/28/2014   20:56:51    (  50.00,-121.53)   30.52            445
 12/29/2014   07:19:15   (  49.91, -76.02) 12/29/2014   07:27:34    (  51.45, -77.80)  212.66            499