Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 28.  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)
 08/02/2021   10:29:03   ( -77.74, 175.48) 08/02/2021   10:30:09  ( -77.80, 178.71)   76.26                66
 08/02/2021   11:19:48   (  78.08, -15.29) 08/02/2021   11:21:01  (  78.06, -15.31)    2.48                73
 08/02/2021   12:10:54   ( -78.09, 151.98) 08/02/2021   12:11:46  ( -78.09, 151.87)    2.72                52
 08/02/2021   13:01:48   (  78.09, -40.73) 08/02/2021   13:02:31  (  78.06, -40.69)    3.48                43
 08/02/2021   13:52:54   ( -78.10, 126.55) 08/02/2021   13:53:16  ( -78.09, 126.48)    2.08                22
 08/02/2021   14:43:48   (  78.10, -66.17) 08/02/2021   14:44:02  (  78.11, -66.29)    2.92                14
 08/02/2021   15:34:54   ( -78.11, 101.11) 08/02/2021   15:34:46  ( -78.09, 101.10)    2.36                 8
 08/02/2021   16:25:48   (  78.11, -91.60) 08/02/2021   16:25:32  (  78.11, -91.68)    1.93                16
 08/02/2021   17:16:54   ( -78.12,  75.68) 08/02/2021   17:16:16  ( -78.09,  75.71)    3.34                38
 08/02/2021   18:07:48   (  78.12,-117.04) 08/02/2021   18:07:02  (  78.11,-117.07)    1.78                46
 08/02/2021   18:58:54   ( -78.13,  50.24) 08/02/2021   18:57:47  ( -78.14,  50.11)    2.97                67
 08/02/2021   19:49:47   (  78.17,-142.25) 08/02/2021   19:48:33  (  78.15,-142.67)    9.82                74