Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 22.  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   19:54:19   (  77.64,-143.06) 10/26/2021   19:55:31  (  77.69,-142.01)   25.45                72
 10/26/2021   20:45:14   ( -77.78,  24.91) 10/26/2021   20:46:18  ( -77.79,  24.81)    2.72                64
 10/26/2021   21:36:16   (  77.77,-167.89) 10/26/2021   21:37:03  (  77.77,-167.79)    2.42                47
 10/26/2021   22:27:14   ( -77.79,  -0.54) 10/26/2021   22:27:48  ( -77.79,  -0.57)    0.65                34
 10/26/2021   23:18:16   (  77.78, 166.65) 10/26/2021   23:18:34  (  77.81, 166.64)    3.67                18
 10/27/2021   00:09:14   ( -77.79, -25.99) 10/27/2021   00:09:18  ( -77.79, -25.94)    1.45                 4
 10/27/2021   01:00:16   (  77.78, 141.20) 10/27/2021   01:00:04  (  77.81, 141.26)    3.14                12
 10/27/2021   01:51:14   ( -77.80, -51.44) 10/27/2021   01:50:49  ( -77.83, -51.52)    3.29                25
 10/27/2021   02:42:15   (  77.83, 115.96) 10/27/2021   02:41:34  (  77.81, 115.89)    2.91                41
 10/27/2021   03:33:14   ( -77.81, -76.90) 10/27/2021   03:32:19  ( -77.83, -76.89)    1.87                55
 10/27/2021   04:24:15   (  77.84,  90.50) 10/27/2021   04:23:04  (  77.81,  90.51)    3.32                71