Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 15.  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,-143.01) 10/26/2021   19:55:31  (  77.69,-142.01)   24.18                72
 10/26/2021   20:45:14   ( -77.79,  24.99) 10/26/2021   20:46:18  ( -77.78,  24.84)    3.59                64
 10/26/2021   21:36:16   (  77.78,-167.84) 10/26/2021   21:37:03  (  77.77,-167.79)    1.49                47
 10/26/2021   22:27:14   ( -77.80,  -0.47) 10/26/2021   22:27:48  ( -77.78,  -0.54)    2.38                34
 10/26/2021   23:18:16   (  77.78, 166.70) 10/26/2021   23:18:34  (  77.81, 166.64)    3.31                18
 10/27/2021   00:09:14   ( -77.81, -25.92) 10/27/2021   00:09:18  ( -77.78, -25.91)    2.64                 4
 10/27/2021   01:00:16   (  77.79, 141.25) 10/27/2021   01:00:04  (  77.81, 141.26)    2.03                12
 10/27/2021   01:51:14   ( -77.81, -51.37) 10/27/2021   01:50:49  ( -77.82, -51.49)    2.94                25
 10/27/2021   02:42:16   (  77.80, 115.79) 10/27/2021   02:41:34  (  77.81, 115.89)    2.48                42
 10/27/2021   03:33:14   ( -77.82, -76.82) 10/27/2021   03:32:19  ( -77.82, -76.86)    0.95                55
 10/27/2021   04:24:16   (  77.81,  90.34) 10/27/2021   04:23:04  (  77.81,  90.51)    4.12                72