Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 17.  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,  22.94) 03/27/2021   20:38:29  ( -78.51,  22.84)    2.52                71
 03/27/2021   21:28:12   (  78.50,-169.77) 03/27/2021   21:29:14  (  78.49,-169.75)    1.09                62
 03/27/2021   22:19:18   ( -78.51,  -2.47) 03/27/2021   22:19:59  ( -78.51,  -2.56)    2.15                41
 03/27/2021   23:10:12   (  78.51, 164.83) 03/27/2021   23:10:44  (  78.49, 164.85)    2.10                32
 03/28/2021   00:01:18   ( -78.52, -27.87) 03/28/2021   00:01:29  ( -78.51, -27.97)    2.28                11
 03/28/2021   00:52:12   (  78.53, 139.43) 03/28/2021   00:52:14  (  78.50, 139.45)    3.15                 2
 03/28/2021   01:43:18   ( -78.54, -53.27) 03/28/2021   01:42:59  ( -78.52, -53.37)    2.84                19
 03/28/2021   02:34:13   (  78.50, 113.79) 03/28/2021   02:33:45  (  78.54, 113.82)    4.05                28
 03/28/2021   03:25:19   ( -78.52, -78.91) 03/28/2021   03:24:29  ( -78.52, -78.77)    3.26                50
 03/28/2021   04:16:13   (  78.52,  88.39) 03/28/2021   04:15:15  (  78.55,  88.41)    2.99                58
 03/28/2021   05:07:13   ( -78.74,-102.85) 03/28/2021   05:06:04  ( -78.72,-105.33)   53.91                69