Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 25.  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   03:17:12   ( -78.77, -78.47) 01/02/2021   03:18:22  ( -78.74, -78.47)    3.12                70
 01/02/2021   04:08:15   (  78.77,  88.75) 01/02/2021   04:09:08  (  78.77,  88.66)    1.99                53
 01/02/2021   04:59:13   ( -78.75,-104.11) 01/02/2021   04:59:53  ( -78.78,-104.10)    3.46                40
 01/02/2021   05:50:15   (  78.78,  63.36) 01/02/2021   05:50:38  (  78.78,  63.26)    2.37                23
 01/02/2021   06:41:13   ( -78.77,-129.50) 01/02/2021   06:41:23  ( -78.79,-129.49)    2.13                10
 01/02/2021   07:32:16   (  78.77,  37.73) 01/02/2021   07:32:08  (  78.78,  37.87)    3.32                 8
 01/02/2021   08:23:13   ( -78.78,-154.88) 01/02/2021   08:22:53  ( -78.79,-154.89)    0.83                20
 01/02/2021   09:14:16   (  78.78,  12.35) 01/02/2021   09:13:38  (  78.78,  12.47)    2.72                38
 01/02/2021   10:05:13   ( -78.80, 179.73) 01/02/2021   10:04:23  ( -78.79, 179.72)    0.58                50
 01/02/2021   10:56:16   (  78.80, -13.04) 01/02/2021   10:55:08  (  78.79, -12.92)    2.76                68