Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 7.  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)
 03/13/2021   17:27:05   (  78.23,-111.73) 03/13/2021   17:28:10  (  78.26,-108.20)   79.99                65
 03/13/2021   18:18:02   ( -78.53,  57.45) 03/13/2021   18:19:02  ( -78.56,  57.40)    3.24                60
 03/13/2021   19:08:57   (  78.53,-135.26) 03/13/2021   19:09:47  (  78.54,-135.17)    2.02                50
 03/13/2021   20:00:01   ( -78.55,  32.05) 03/13/2021   20:00:31  ( -78.56,  32.00)    2.23                30
 03/13/2021   20:50:56   (  78.55,-160.66) 03/13/2021   20:51:16  (  78.54,-160.57)    1.94                20
 03/13/2021   21:42:01   ( -78.56,   6.65) 03/13/2021   21:42:01  ( -78.57,   6.60)    1.43                 0
 03/13/2021   22:32:56   (  78.56, 173.94) 03/13/2021   22:32:46  (  78.55, 174.02)    2.41                10
 03/13/2021   23:24:01   ( -78.57, -18.74) 03/13/2021   23:23:31  ( -78.57, -18.80)    1.30                30
 03/14/2021   00:14:56   (  78.58, 148.54) 03/14/2021   00:14:16  (  78.55, 148.62)    3.20                40
 03/14/2021   01:06:01   ( -78.59, -44.14) 03/14/2021   01:05:01  ( -78.58, -44.20)    1.98                60
 03/14/2021   01:56:56   (  78.59, 123.14) 03/14/2021   01:55:47  (  78.60, 122.99)    3.33                69