Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 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)
 08/02/2021   10:29:03   ( -77.75, 175.56) 08/02/2021   10:30:09  ( -77.78, 178.82)   76.70                66
 08/02/2021   11:19:49   (  78.06, -15.44) 08/02/2021   11:21:02  (  78.08, -15.42)    2.62                73
 08/02/2021   12:10:55   ( -78.07, 151.85) 08/02/2021   12:11:46  ( -78.06, 151.99)    3.13                51
 08/02/2021   13:01:49   (  78.07, -40.87) 08/02/2021   13:02:32  (  78.08, -40.80)    2.32                43
 08/02/2021   13:52:55   ( -78.08, 126.41) 08/02/2021   13:53:17  ( -78.11, 126.39)    3.08                22
 08/02/2021   14:43:49   (  78.08, -66.31) 08/02/2021   14:44:02  (  78.09, -66.19)    2.88                13
 08/02/2021   15:34:55   ( -78.09, 100.98) 08/02/2021   15:34:47  ( -78.11, 101.00)    2.15                 8
 08/02/2021   16:25:49   (  78.09, -91.75) 08/02/2021   16:25:32  (  78.09, -91.58)    3.94                17
 08/02/2021   17:16:55   ( -78.10,  75.54) 08/02/2021   17:16:17  ( -78.11,  75.62)    2.06                38
 08/02/2021   18:07:49   (  78.10,-117.18) 08/02/2021   18:07:03  (  78.13,-117.18)    3.30                46
 08/02/2021   18:58:55   ( -78.11,  50.11) 08/02/2021   18:57:47  ( -78.11,  50.23)    2.87                68
 08/02/2021   19:49:48   (  78.15,-142.39) 08/02/2021   19:48:33  (  78.13,-142.56)    4.21                75