Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 9 3.  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)
 09/14/2021   02:46:16   (  77.90, 113.73) 09/14/2021   02:47:30  (  77.92, 113.83)    2.92                74
 09/14/2021   03:37:13   ( -77.94, -78.82) 09/14/2021   03:38:15  ( -77.93, -78.92)    2.36                62
 09/14/2021   04:28:15   (  77.95,  88.50) 09/14/2021   04:29:00  (  77.92,  88.44)    3.51                45
 09/14/2021   05:19:13   ( -77.95,-104.27) 09/14/2021   05:19:45  ( -77.94,-104.31)    1.54                32
 09/14/2021   06:10:15   (  77.96,  63.06) 09/14/2021   06:10:30  (  77.93,  63.05)    3.94                15
 09/14/2021   07:01:13   ( -77.96,-129.71) 09/14/2021   07:01:15  ( -77.94,-129.70)    1.92                 2
 09/14/2021   07:52:15   (  77.97,  37.62) 09/14/2021   07:52:01  (  77.97,  37.45)    3.82                14
 09/14/2021   08:43:13   ( -77.96,-155.16) 09/14/2021   08:42:45  ( -77.94,-155.09)    3.08                28
 09/14/2021   09:34:15   (  77.98,  12.18) 09/14/2021   09:33:31  (  77.97,  12.06)    2.72                44
 09/14/2021   10:25:13   ( -77.97, 179.39) 09/14/2021   10:24:16  ( -77.98, 179.32)    2.20                57
 09/14/2021   11:16:15   (  77.99, -13.27) 09/14/2021   11:15:01  (  77.98, -13.33)    2.11                74