Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 8.  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   05:36:45   ( -78.37,-115.54) 01/16/2021   05:37:48  ( -78.39,-111.23)   96.51                63
 01/16/2021   06:27:40   (  78.71,  54.06) 01/16/2021   06:28:42  (  78.72,  54.05)    1.16                62
 01/16/2021   07:18:35   ( -78.73,-138.54) 01/16/2021   07:19:27  ( -78.73,-138.69)    3.39                52
 01/16/2021   08:09:40   (  78.73,  28.67) 01/16/2021   08:10:12  (  78.73,  28.65)    0.52                32
 01/16/2021   09:00:36   ( -78.71,-164.17) 01/16/2021   09:00:57  ( -78.73,-164.09)    3.06                21
 01/16/2021   09:51:40   (  78.74,   3.28) 01/16/2021   09:51:42  (  78.73,   3.25)    1.62                 2
 01/16/2021   10:42:36   ( -78.73, 170.44) 01/16/2021   10:42:27  ( -78.74, 170.52)    2.06                 9
 01/16/2021   11:33:40   (  78.76, -22.11) 01/16/2021   11:33:12  (  78.73, -22.14)    2.89                28
 01/16/2021   12:24:36   ( -78.74, 145.05) 01/16/2021   12:23:57  ( -78.74, 145.12)    1.57                39
 01/16/2021   13:15:41   (  78.74, -47.74) 01/16/2021   13:14:43  (  78.77, -47.78)    3.96                58
 01/16/2021   14:06:36   ( -78.76, 119.66) 01/16/2021   14:05:27  ( -78.75, 119.72)    2.00                69