Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 24.  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   20:37:19   ( -78.48,  22.87) 03/27/2021   20:38:29  ( -78.47,  23.01)    3.33                70
 03/27/2021   21:28:13   (  78.49,-169.80) 03/27/2021   21:29:15  (  78.49,-169.76)    0.82                62
 03/27/2021   22:19:19   ( -78.50,  -2.53) 03/27/2021   22:20:00  ( -78.52,  -2.61)    2.88                41
 03/27/2021   23:10:13   (  78.51, 164.80) 03/27/2021   23:10:45  (  78.50, 164.83)    1.46                32
 03/28/2021   00:01:18   ( -78.51, -27.93) 03/28/2021   00:01:29  ( -78.52, -28.02)    2.18                11
 03/28/2021   00:52:12   (  78.52, 139.40) 03/28/2021   00:52:14  (  78.50, 139.43)    2.41                 2
 03/28/2021   01:43:18   ( -78.53, -53.34) 03/28/2021   01:42:59  ( -78.53, -53.42)    1.86                19
 03/28/2021   02:34:12   (  78.53, 113.99) 03/28/2021   02:33:44  (  78.50, 114.03)    3.43                28
 03/28/2021   03:25:18   ( -78.54, -78.74) 03/28/2021   03:24:29  ( -78.53, -78.82)    2.11                49
 03/28/2021   04:16:13   (  78.51,  88.35) 03/28/2021   04:15:15  (  78.55,  88.39)    3.89                58
 03/28/2021   05:07:13   ( -78.73,-102.92) 03/28/2021   05:06:04  ( -78.73,-105.39)   53.54                69