Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 8 1.  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   10:29:02   ( -77.78, 175.69) 08/02/2021   10:30:09  ( -77.81, 178.69)   70.57                67
 08/02/2021   11:19:48   (  78.09, -15.28) 08/02/2021   11:21:01  (  78.06, -15.30)    2.84                73
 08/02/2021   12:10:54   ( -78.09, 151.98) 08/02/2021   12:11:46  ( -78.09, 151.85)    3.06                52
 08/02/2021   13:01:48   (  78.10, -40.71) 08/02/2021   13:02:31  (  78.06, -40.69)    3.72                43
 08/02/2021   13:52:54   ( -78.10, 126.55) 08/02/2021   13:53:16  ( -78.09, 126.46)    2.16                22
 08/02/2021   14:43:48   (  78.11, -66.15) 08/02/2021   14:44:02  (  78.10, -66.29)    3.27                14
 08/02/2021   15:34:54   ( -78.11, 101.11) 08/02/2021   15:34:46  ( -78.09, 101.08)    2.06                 8
 08/02/2021   16:25:48   (  78.12, -91.58) 08/02/2021   16:25:32  (  78.11, -91.68)    2.40                16
 08/02/2021   17:16:54   ( -78.12,  75.68) 08/02/2021   17:16:16  ( -78.10,  75.69)    2.86                38
 08/02/2021   18:07:48   (  78.13,-117.02) 08/02/2021   18:07:02  (  78.11,-117.06)    2.24                46
 08/02/2021   18:58:54   ( -78.13,  50.24) 08/02/2021   18:57:47  ( -78.14,  50.09)    3.45                67
 08/02/2021   19:49:47   (  78.17,-142.23) 08/02/2021   19:48:33  (  78.15,-142.66)   10.27                74