Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2020 12 29.  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   ( -78.76, -78.56) 01/02/2021   03:18:22  ( -78.75, -78.53)    0.98                70
 01/02/2021   04:08:15   (  78.76,  88.67) 01/02/2021   04:09:08  (  78.78,  88.61)    2.62                53
 01/02/2021   04:59:12   ( -78.77,-103.95) 01/02/2021   04:59:52  ( -78.76,-103.93)    2.10                40
 01/02/2021   05:50:15   (  78.77,  63.29) 01/02/2021   05:50:38  (  78.78,  63.22)    1.77                23
 01/02/2021   06:41:12   ( -78.79,-129.34) 01/02/2021   06:41:22  ( -78.76,-129.32)    3.36                10
 01/02/2021   07:32:15   (  78.79,  37.90) 01/02/2021   07:32:08  (  78.79,  37.82)    1.79                 7
 01/02/2021   08:23:13   ( -78.77,-154.98) 01/02/2021   08:22:53  ( -78.80,-154.95)    3.25                20
 01/02/2021   09:14:15   (  78.80,  12.52) 01/02/2021   09:13:38  (  78.79,  12.43)    2.66                37
 01/02/2021   10:05:13   ( -78.78, 179.64) 01/02/2021   10:04:23  ( -78.80, 179.65)    1.93                50
 01/02/2021   10:56:16   (  78.79, -13.12) 01/02/2021   10:55:08  (  78.79, -12.97)    3.24                68