Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 14.  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)
 01/16/2021   05:36:44   ( -78.39,-115.40) 01/16/2021   05:37:48  ( -78.40,-111.34)   90.81                64
 01/16/2021   06:27:40   (  78.70,  53.99) 01/16/2021   06:28:42  (  78.74,  53.96)    3.59                62
 01/16/2021   07:18:35   ( -78.72,-138.63) 01/16/2021   07:19:26  ( -78.71,-138.57)    1.67                51
 01/16/2021   08:09:40   (  78.72,  28.60) 01/16/2021   08:10:12  (  78.74,  28.57)    2.36                32
 01/16/2021   09:00:35   ( -78.73,-164.02) 01/16/2021   09:00:56  ( -78.71,-163.96)    2.52                21
 01/16/2021   09:51:40   (  78.73,   3.21) 01/16/2021   09:51:42  (  78.74,   3.17)    1.31                 2
 01/16/2021   10:42:35   ( -78.75, 170.59) 01/16/2021   10:42:26  ( -78.72, 170.64)    3.64                 9
 01/16/2021   11:33:40   (  78.75, -22.18) 01/16/2021   11:33:12  (  78.75, -22.23)    1.13                28
 01/16/2021   12:24:36   ( -78.73, 144.95) 01/16/2021   12:23:57  ( -78.76, 145.01)    3.39                39
 01/16/2021   13:15:40   (  78.76, -47.57) 01/16/2021   13:14:42  (  78.75, -47.62)    2.07                58
 01/16/2021   14:06:36   ( -78.74, 119.56) 01/16/2021   14:05:27  ( -78.76, 119.61)    2.15                69