Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 27.  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)
 02/27/2021   14:16:49   ( -78.33, 115.89) 02/27/2021   14:17:56  ( -78.34, 118.91)   67.87                67
 02/27/2021   15:07:40   (  78.58, -75.16) 02/27/2021   15:08:48  (  78.59, -75.24)    2.16                68
 02/27/2021   15:58:41   ( -78.59,  92.14) 02/27/2021   15:59:31  ( -78.58,  92.16)    1.54                50
 02/27/2021   16:49:39   (  78.60,-100.56) 02/27/2021   16:50:17  (  78.60,-100.64)    1.94                38
 02/27/2021   17:40:41   ( -78.61,  66.75) 02/27/2021   17:41:01  ( -78.58,  66.76)    2.71                20
 02/27/2021   18:31:39   (  78.61,-125.95) 02/27/2021   18:31:47  (  78.60,-126.04)    2.33                 8
 02/27/2021   19:22:41   ( -78.62,  41.36) 02/27/2021   19:22:31  ( -78.59,  41.36)    3.90                10
 02/27/2021   20:13:39   (  78.63,-151.35) 02/27/2021   20:13:17  (  78.61,-151.44)    3.11                22
 02/27/2021   21:04:42   ( -78.60,  15.72) 02/27/2021   21:04:02  ( -78.63,  15.73)    2.96                40
 02/27/2021   21:55:40   (  78.61,-176.99) 02/27/2021   21:54:47  (  78.61,-176.84)    3.31                53
 02/27/2021   22:46:42   ( -78.62,  -9.68) 02/27/2021   22:45:32  ( -78.63,  -9.67)    1.75                70