Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 22.  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,  22.93) 03/27/2021   20:38:29  ( -78.50,  22.85)    2.01                71
 03/27/2021   21:28:12   (  78.50,-169.75) 03/27/2021   21:29:14  (  78.48,-169.71)    2.18                62
 03/27/2021   22:19:18   ( -78.51,  -2.47) 03/27/2021   22:19:59  ( -78.51,  -2.55)    1.64                41
 03/27/2021   23:10:12   (  78.51, 164.85) 03/27/2021   23:10:44  (  78.49, 164.89)    3.16                32
 03/28/2021   00:01:18   ( -78.52, -27.88) 03/28/2021   00:01:29  ( -78.51, -27.95)    1.90                11
 03/28/2021   00:52:12   (  78.53, 139.44) 03/28/2021   00:52:15  (  78.53, 139.26)    4.12                 3
 03/28/2021   01:43:18   ( -78.53, -53.28) 03/28/2021   01:42:59  ( -78.52, -53.35)    2.61                19
 03/28/2021   02:34:13   (  78.51, 113.80) 03/28/2021   02:33:45  (  78.53, 113.85)    3.27                28
 03/28/2021   03:25:18   ( -78.55, -78.68) 03/28/2021   03:24:29  ( -78.52, -78.76)    3.50                49
 03/28/2021   04:16:13   (  78.52,  88.40) 03/28/2021   04:15:15  (  78.54,  88.45)    2.29                58
 03/28/2021   05:07:14   ( -78.70,-103.11) 03/28/2021   05:06:04  ( -78.71,-105.32)   48.07                70