Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 7.  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)
 12/18/2020   23:15:54   ( -78.61, -19.87) 12/18/2020   23:17:02  ( -78.60, -17.26)   57.41                68
 12/19/2020   00:06:48   (  78.79, 148.70) 12/19/2020   00:07:53  (  78.82, 148.69)    3.75                65
 12/19/2020   00:57:48   ( -78.83, -43.78) 12/19/2020   00:58:37  ( -78.80, -43.85)    3.40                49
 12/19/2020   01:48:48   (  78.80, 123.32) 12/19/2020   01:49:23  (  78.83, 123.27)    2.83                35
 12/19/2020   02:39:49   ( -78.81, -69.41) 12/19/2020   02:40:07  ( -78.80, -69.26)    3.32                18
 12/19/2020   03:30:48   (  78.82,  97.94) 12/19/2020   03:30:53  (  78.83,  97.86)    2.30                 5
 12/19/2020   04:21:49   ( -78.82, -94.80) 12/19/2020   04:21:37  ( -78.81, -94.67)    3.00                12
 12/19/2020   05:12:48   (  78.84,  72.56) 12/19/2020   05:12:23  (  78.84,  72.45)    2.44                25
 12/19/2020   06:03:49   ( -78.84,-120.18) 12/19/2020   06:03:07  ( -78.82,-120.09)    3.11                42
 12/19/2020   06:54:48   (  78.85,  47.18) 12/19/2020   06:53:53  (  78.85,  47.03)    3.17                55
 12/19/2020   07:45:49   ( -78.85,-145.57) 12/19/2020   07:44:37  ( -78.82,-145.50)    3.64                72