Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 16.  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)
 12/19/2020   00:06:48   (  78.79, 148.72) 12/19/2020   00:08:03  (  78.81, 148.70)    2.36                75
 12/19/2020   00:57:49   ( -78.79, -44.04) 12/19/2020   00:58:47  ( -78.79, -43.88)    3.59                58
 12/19/2020   01:48:48   (  78.81, 123.34) 12/19/2020   01:49:33  (  78.82, 123.30)    1.16                45
 12/19/2020   02:39:49   ( -78.81, -69.43) 12/19/2020   02:40:17  ( -78.80, -69.27)    3.49                28
 12/19/2020   03:30:48   (  78.82,  97.96) 12/19/2020   03:31:03  (  78.82,  97.91)    1.16                15
 12/19/2020   04:21:48   ( -78.82, -94.81) 12/19/2020   04:21:47  ( -78.84, -94.90)    2.70                 1
 12/19/2020   05:12:47   (  78.84,  72.58) 12/19/2020   05:12:32  (  78.82,  72.51)    2.35                15
 12/19/2020   06:03:48   ( -78.84,-120.20) 12/19/2020   06:03:17  ( -78.84,-120.30)    2.23                31
 12/19/2020   06:54:47   (  78.85,  47.20) 12/19/2020   06:54:02  (  78.82,  47.12)    3.72                45
 12/19/2020   07:45:48   ( -78.85,-145.58) 12/19/2020   07:44:47  ( -78.84,-145.69)    2.53                61
 12/19/2020   08:36:48   (  78.84,  21.56) 12/19/2020   08:35:33  (  78.86,  21.48)    3.50                75