Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 4.  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   ( -78.38,-115.45) 01/16/2021   05:37:49  ( -78.42,-111.43)   89.87                64
 01/16/2021   06:27:40   (  78.73,  54.15) 01/16/2021   06:28:42  (  78.72,  54.05)    2.03                62
 01/16/2021   07:18:36   ( -78.71,-138.68) 01/16/2021   07:19:27  ( -78.73,-138.67)    1.81                51
 01/16/2021   08:09:40   (  78.74,  28.76) 01/16/2021   08:10:12  (  78.73,  28.66)    2.74                32
 01/16/2021   09:00:36   ( -78.73,-164.07) 01/16/2021   09:00:57  ( -78.73,-164.06)    0.53                21
 01/16/2021   09:51:41   (  78.72,   3.12) 01/16/2021   09:51:42  (  78.73,   3.26)    3.11                 1
 01/16/2021   10:42:36   ( -78.74, 170.54) 01/16/2021   10:42:27  ( -78.73, 170.54)    0.80                 9
 01/16/2021   11:33:41   (  78.74, -22.27) 01/16/2021   11:33:12  (  78.73, -22.14)    2.82                29
 01/16/2021   12:24:36   ( -78.76, 145.15) 01/16/2021   12:23:57  ( -78.74, 145.14)    2.08                39
 01/16/2021   13:15:40   (  78.75, -47.65) 01/16/2021   13:14:41  (  78.74, -47.53)    3.10                59
 01/16/2021   14:06:35   ( -78.77, 119.76) 01/16/2021   14:05:26  ( -78.74, 119.75)    3.37                69