Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 16.  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   ( -78.50,  23.02) 03/27/2021   20:38:29  ( -78.48,  22.96)    2.56                71
 03/27/2021   21:28:12   (  78.51,-169.69) 03/27/2021   21:29:15  (  78.51,-169.86)    3.73                63
 03/27/2021   22:19:18   ( -78.52,  -2.39) 03/27/2021   22:19:59  ( -78.49,  -2.44)    3.53                41
 03/27/2021   23:10:13   (  78.49, 164.67) 03/27/2021   23:10:45  (  78.51, 164.74)    3.08                32
 03/28/2021   00:01:19   ( -78.50, -28.03) 03/28/2021   00:01:30  ( -78.53, -28.07)    3.93                11
 03/28/2021   00:52:13   (  78.50, 139.27) 03/28/2021   00:52:15  (  78.52, 139.34)    2.21                 2
 03/28/2021   01:43:19   ( -78.51, -53.43) 03/28/2021   01:43:00  ( -78.54, -53.47)    2.91                19
 03/28/2021   02:34:13   (  78.52, 113.87) 03/28/2021   02:33:45  (  78.52, 113.94)    1.59                28
 03/28/2021   03:25:19   ( -78.53, -78.83) 03/28/2021   03:24:30  ( -78.54, -78.88)    1.95                49
 03/28/2021   04:16:13   (  78.53,  88.47) 03/28/2021   04:15:15  (  78.53,  88.53)    1.57                58
 03/28/2021   05:07:14   ( -78.71,-103.02) 03/28/2021   05:06:04  ( -78.70,-105.21)   47.68                70