Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 13.  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)
 10/26/2021   19:03:15   ( -77.74,  50.21) 10/26/2021   19:04:30  ( -77.79,  50.27)    5.63                75
 10/26/2021   19:54:16   (  77.76,-142.41) 10/26/2021   19:55:15  (  77.78,-142.38)    1.81                59
 10/26/2021   20:45:14   ( -77.79,  24.96) 10/26/2021   20:46:00  ( -77.79,  24.87)    2.24                46
 10/26/2021   21:36:16   (  77.77,-167.87) 10/26/2021   21:36:45  (  77.78,-167.77)    2.59                29
 10/26/2021   22:27:14   ( -77.79,  -0.49) 10/26/2021   22:27:30  ( -77.80,  -0.52)    0.79                16
 10/26/2021   23:18:15   (  77.82, 166.89) 10/26/2021   23:18:15  (  77.79, 166.84)    3.76                 0
 10/27/2021   00:09:14   ( -77.80, -25.94) 10/27/2021   00:09:00  ( -77.80, -25.92)    0.67                14
 10/27/2021   01:00:15   (  77.83, 141.43) 10/27/2021   00:59:45  (  77.79, 141.44)    3.96                30
 10/27/2021   01:51:14   ( -77.81, -51.39) 10/27/2021   01:50:30  ( -77.80, -51.31)    2.12                44
 10/27/2021   02:42:15   (  77.83, 115.98) 10/27/2021   02:41:16  (  77.84, 115.84)    3.19                59
 10/27/2021   03:33:14   ( -77.82, -76.84) 10/27/2021   03:32:00  ( -77.81, -76.70)    3.56                74