Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 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)
 02/27/2021   14:16:49   ( -78.31, 115.77) 02/27/2021   14:17:56  ( -78.36, 118.80)   68.30                67
 02/27/2021   15:07:39   (  78.60, -75.06) 02/27/2021   15:08:47  (  78.58, -75.15)    2.90                68
 02/27/2021   15:58:42   ( -78.57,  92.02) 02/27/2021   15:59:32  ( -78.60,  92.04)    2.87                50
 02/27/2021   16:49:40   (  78.58,-100.70) 02/27/2021   16:50:17  (  78.58,-100.55)    3.38                37
 02/27/2021   17:40:42   ( -78.59,  66.62) 02/27/2021   17:41:02  ( -78.60,  66.64)    1.66                20
 02/27/2021   18:31:40   (  78.59,-126.10) 02/27/2021   18:31:47  (  78.59,-125.95)    3.32                 7
 02/27/2021   19:22:42   ( -78.60,  41.23) 02/27/2021   19:22:32  ( -78.61,  41.24)    0.50                10
 02/27/2021   20:13:40   (  78.61,-151.50) 02/27/2021   20:13:18  (  78.63,-151.58)    3.18                22
 02/27/2021   21:04:42   ( -78.62,  15.83) 02/27/2021   21:04:02  ( -78.61,  15.84)    0.82                40
 02/27/2021   21:55:40   (  78.62,-176.90) 02/27/2021   21:54:48  (  78.63,-176.98)    2.39                52
 02/27/2021   22:46:42   ( -78.63,  -9.56) 02/27/2021   22:45:32  ( -78.62,  -9.56)    2.00                70