Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 26.  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)
 03/27/2021   20:37:18   ( -78.49,  22.92) 03/27/2021   20:38:29  ( -78.51,  22.83)    2.47                71
 03/27/2021   21:28:12   (  78.50,-169.74) 03/27/2021   21:29:14  (  78.48,-169.71)    2.35                62
 03/27/2021   22:19:18   ( -78.51,  -2.48) 03/27/2021   22:19:59  ( -78.51,  -2.57)    1.98                41
 03/27/2021   23:10:12   (  78.52, 164.86) 03/27/2021   23:10:44  (  78.49, 164.89)    3.37                32
 03/28/2021   00:01:18   ( -78.52, -27.88) 03/28/2021   00:01:29  ( -78.51, -27.97)    2.02                11
 03/28/2021   00:52:13   (  78.49, 139.22) 03/28/2021   00:52:15  (  78.53, 139.26)    3.96                 2
 03/28/2021   01:43:18   ( -78.53, -53.29) 03/28/2021   01:42:59  ( -78.52, -53.37)    2.55                19
 03/28/2021   02:34:13   (  78.51, 113.81) 03/28/2021   02:33:45  (  78.53, 113.85)    2.93                28
 03/28/2021   03:25:18   ( -78.55, -78.69) 03/28/2021   03:24:29  ( -78.52, -78.78)    3.33                49
 03/28/2021   04:16:13   (  78.52,  88.41) 03/28/2021   04:15:15  (  78.54,  88.45)    1.93                58
 03/28/2021   05:07:13   ( -78.73,-102.87) 03/28/2021   05:06:04  ( -78.72,-105.34)   53.66                69