Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 21.  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)
 01/02/2021   03:17:13   ( -78.76, -78.58) 01/02/2021   03:18:23  ( -78.77, -78.63)    1.67                70
 01/02/2021   04:08:15   (  78.75,  88.62) 01/02/2021   04:09:07  (  78.76,  88.72)    2.65                52
 01/02/2021   04:59:12   ( -78.77,-103.97) 01/02/2021   04:59:52  ( -78.77,-104.02)    1.14                40
 01/02/2021   05:50:15   (  78.77,  63.23) 01/02/2021   05:50:37  (  78.77,  63.32)    1.97                22
 01/02/2021   06:41:12   ( -78.79,-129.36) 01/02/2021   06:41:22  ( -78.77,-129.42)    1.84                10
 01/02/2021   07:32:15   (  78.78,  37.85) 01/02/2021   07:32:07  (  78.77,  37.93)    2.14                 8
 01/02/2021   08:23:12   ( -78.80,-154.74) 01/02/2021   08:22:52  ( -78.78,-154.81)    3.00                20
 01/02/2021   09:14:15   (  78.80,  12.47) 01/02/2021   09:13:37  (  78.77,  12.53)    3.02                38
 01/02/2021   10:05:13   ( -78.78, 179.62) 01/02/2021   10:04:22  ( -78.78, 179.79)    3.73                51
 01/02/2021   10:56:15   (  78.81, -12.92) 01/02/2021   10:55:08  (  78.81, -13.10)    4.01                67