Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 5 6.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2017   04:03:01   (  80.85,  68.69) 05/10/2017   04:04:12  (  80.84,  68.83)    2.82                71
 05/10/2017   04:54:07   ( -80.85,-124.01) 05/10/2017   04:54:57  ( -80.84,-123.94)    1.64                50
 05/10/2017   05:45:03   (  80.85,  43.04) 05/10/2017   05:45:43  (  80.86,  43.07)    1.45                40
 05/10/2017   06:36:08   ( -80.86,-149.28) 05/10/2017   06:36:27  ( -80.85,-149.34)    1.75                19
 05/10/2017   07:27:04   (  80.85,  17.77) 05/10/2017   07:27:13  (  80.86,  17.66)    2.15                 9
 05/10/2017   08:18:10   ( -80.85,-174.92) 05/10/2017   08:17:57  ( -80.85,-174.75)    3.19                13
 05/10/2017   09:09:05   (  80.86,  -7.51) 05/10/2017   09:08:42  (  80.84,  -7.39)    2.52                23
 05/10/2017   10:00:11   ( -80.86, 159.80) 05/10/2017   09:59:27  ( -80.85, 159.84)    1.46                44
 05/10/2017   10:51:07   (  80.86, -33.15) 05/10/2017   10:50:13  (  80.86, -33.16)    1.09                54