Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 23.  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   (  77.65,-143.03) 10/26/2021   19:55:31  (  77.68,-141.99)   25.00                72
 10/26/2021   20:45:14   ( -77.78,  24.94) 10/26/2021   20:46:18  ( -77.79,  24.82)    2.78                64
 10/26/2021   21:36:16   (  77.78,-167.86) 10/26/2021   21:37:03  (  77.76,-167.77)    2.46                47
 10/26/2021   22:27:14   ( -77.79,  -0.52) 10/26/2021   22:27:48  ( -77.78,  -0.55)    1.11                34
 10/26/2021   23:18:16   (  77.78, 166.69) 10/26/2021   23:18:34  (  77.81, 166.66)    2.58                18
 10/27/2021   00:09:14   ( -77.80, -25.97) 10/27/2021   00:09:18  ( -77.78, -25.93)    1.84                 4
 10/27/2021   01:00:16   (  77.79, 141.23) 10/27/2021   01:00:04  (  77.81, 141.28)    1.99                12
 10/27/2021   01:51:14   ( -77.81, -51.42) 10/27/2021   01:50:49  ( -77.83, -51.51)    2.84                25
 10/27/2021   02:42:16   (  77.80, 115.78) 10/27/2021   02:41:34  (  77.81, 115.91)    3.19                42
 10/27/2021   03:33:14   ( -77.82, -76.87) 10/27/2021   03:32:19  ( -77.83, -76.88)    1.07                55
 10/27/2021   04:24:16   (  77.81,  90.32) 10/27/2021   04:23:05  (  77.85,  90.33)    4.40                71