Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2018 1 13.  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)
 01/14/2018   06:30:33   (  46.27, -65.04) 01/14/2018   06:30:36    (  46.68, -67.10)  164.18              3
 01/14/2018   08:08:25   (  49.89, -88.32) 01/14/2018   08:11:01    (  50.42, -90.88)  191.31            156
 01/14/2018   09:47:18   (  49.90,-113.04) 01/14/2018   09:52:29    (  50.52,-116.21)  235.69            311
 01/16/2018   19:06:35   (  49.97, -92.55) 01/16/2018   19:01:16    (  49.61, -94.42)  140.05            319
 01/16/2018   20:45:27   (  49.96,-117.27) 01/16/2018   20:42:44    (  49.56,-119.77)  185.35            163
 01/19/2018   10:12:20   (  26.62,-124.99) 01/19/2018   10:05:49    (  25.93,-125.97)  123.70            391
 01/22/2018   07:18:59   (  49.92, -75.94) 01/22/2018   07:20:12    (  50.34, -78.21)  168.57             73
 01/22/2018   08:57:52   (  49.92,-100.66) 01/22/2018   09:01:39    (  50.51,-103.51)  213.00            227