Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 7 21.  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, 175.50) 08/02/2021   10:30:09  ( -77.77, 178.85)   79.14                66
 08/02/2021   11:19:48   (  78.08, -15.31) 08/02/2021   11:21:02  (  78.08, -15.40)    2.16                74
 08/02/2021   12:10:54   ( -78.09, 152.00) 08/02/2021   12:11:46  ( -78.06, 152.02)    4.16                52
 08/02/2021   13:01:48   (  78.09, -40.74) 08/02/2021   13:02:32  (  78.08, -40.78)    1.73                44
 08/02/2021   13:52:54   ( -78.10, 126.56) 08/02/2021   13:53:17  ( -78.10, 126.42)    3.28                23
 08/02/2021   14:43:48   (  78.10, -66.18) 08/02/2021   14:44:02  (  78.08, -66.17)    2.42                14
 08/02/2021   15:34:54   ( -78.11, 101.13) 08/02/2021   15:34:47  ( -78.10, 101.04)    2.56                 7
 08/02/2021   16:25:48   (  78.11, -91.61) 08/02/2021   16:25:32  (  78.08, -91.55)    3.62                16
 08/02/2021   17:16:54   ( -78.12,  75.69) 08/02/2021   17:16:17  ( -78.10,  75.65)    2.62                37
 08/02/2021   18:07:48   (  78.12,-117.05) 08/02/2021   18:07:03  (  78.12,-117.15)    2.32                45
 08/02/2021   18:58:54   ( -78.14,  50.25) 08/02/2021   18:57:47  ( -78.10,  50.27)    3.42                67
 08/02/2021   19:49:48   (  78.13,-142.49) 08/02/2021   19:48:33  (  78.13,-142.54)    1.36                75