Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2017 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)
 12/21/2017   07:18:48   (  49.89, -75.97) 12/21/2017   07:20:30    (  50.35, -78.26)  171.47            102
 12/21/2017   08:57:41   (  49.89,-100.69) 12/21/2017   09:01:58    (  50.46,-103.59)  215.90            257
 12/23/2017   18:16:59   (  49.99, -80.20) 12/23/2017   18:10:46    (  49.70, -81.81)  119.72            373
 12/23/2017   19:55:52   (  49.99,-104.92) 12/23/2017   19:52:14    (  49.60,-107.13)  164.96            218
 12/23/2017   21:31:02   (  36.69,-125.00) 12/23/2017   21:29:53    (  36.22,-127.64)  241.76             69
 12/26/2017   09:23:54   (  22.53,-113.64) 12/26/2017   09:16:15    (  22.63,-114.17)   55.07            459
 12/29/2017   06:30:26   (  46.31, -65.04) 12/29/2017   06:30:44    (  46.72, -67.12)  165.52             18
 12/29/2017   08:08:18   (  49.93, -88.32) 12/29/2017   08:11:09    (  50.45, -90.90)  192.48            171
 12/29/2017   09:47:11   (  49.94,-113.04) 12/29/2017   09:52:37    (  50.56,-116.22)  236.82            326