Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 28.  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)
 01/02/2021   03:17:13   ( -78.74, -78.70) 01/02/2021   03:18:23  ( -78.77, -78.66)    3.76                70
 01/02/2021   04:08:15   (  78.77,  88.78) 01/02/2021   04:09:08  (  78.76,  88.72)    1.71                53
 01/02/2021   04:59:13   ( -78.75,-104.09) 01/02/2021   04:59:53  ( -78.78,-104.06)    2.44                40
 01/02/2021   05:50:15   (  78.79,  63.39) 01/02/2021   05:50:38  (  78.77,  63.32)    2.90                23
 01/02/2021   06:41:13   ( -78.77,-129.48) 01/02/2021   06:41:23  ( -78.78,-129.45)    1.17                10
 01/02/2021   07:32:16   (  78.77,  37.76) 01/02/2021   07:32:08  (  78.77,  37.93)    3.62                 8
 01/02/2021   08:23:13   ( -78.78,-154.87) 01/02/2021   08:22:53  ( -78.78,-154.84)    0.55                20
 01/02/2021   09:14:16   (  78.78,  12.37) 01/02/2021   09:13:39  (  78.81,  12.29)    3.26                37
 01/02/2021   10:05:13   ( -78.80, 179.75) 01/02/2021   10:04:23  ( -78.79, 179.76)    1.65                50
 01/02/2021   10:56:16   (  78.80, -13.01) 01/02/2021   10:55:09  (  78.81, -13.10)    2.46                67