Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 30.  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)
 01/30/2021   14:43:58   ( -78.69, 110.40) 01/30/2021   14:43:29  ( -78.69, 110.52)    2.76                29
 01/30/2021   15:35:02   (  78.71, -82.24) 01/30/2021   15:34:15  (  78.72, -82.33)    2.27                47
 01/30/2021   16:25:58   ( -78.71,  85.01) 01/30/2021   16:24:59  ( -78.69,  85.13)    2.94                59
 01/30/2021   17:16:59   (  78.83,-106.88) 01/30/2021   17:15:48  (  78.83,-108.45)   33.87                71
 02/13/2021   11:57:20   ( -78.63, 152.20) 02/13/2021   11:58:31  ( -78.61, 152.23)    2.26                71
 02/13/2021   12:48:22   (  78.62, -40.64) 02/13/2021   12:49:17  (  78.65, -40.67)    2.98                55