Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 9 4.  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   02:46:15   (  77.92, 113.82) 09/14/2021   02:47:29  (  77.90, 113.92)    3.06                74
 09/14/2021   03:37:13   ( -77.91, -78.95) 09/14/2021   03:38:14  ( -77.92, -78.83)    2.70                61
 09/14/2021   04:28:15   (  77.93,  88.38) 09/14/2021   04:29:00  (  77.95,  88.32)    2.19                45
 09/14/2021   05:19:13   ( -77.92,-104.40) 09/14/2021   05:19:45  ( -77.96,-104.43)    4.00                32
 09/14/2021   06:10:15   (  77.94,  62.94) 09/14/2021   06:10:30  (  77.95,  62.94)    1.04                15
 09/14/2021   07:01:13   ( -77.93,-129.84) 09/14/2021   07:01:15  ( -77.96,-129.82)    3.28                 2
 09/14/2021   07:52:15   (  77.95,  37.49) 09/14/2021   07:52:00  (  77.95,  37.55)    1.27                15
 09/14/2021   08:43:13   ( -77.94,-155.29) 09/14/2021   08:42:45  ( -77.96,-155.21)    3.16                28
 09/14/2021   09:34:15   (  77.96,  12.05) 09/14/2021   09:33:30  (  77.95,  12.16)    2.51                45
 09/14/2021   10:25:12   ( -77.99, 179.48) 09/14/2021   10:24:15  ( -77.97, 179.40)    3.00                57
 09/14/2021   11:16:15   (  77.97, -13.39) 09/14/2021   11:15:01  (  78.00, -13.44)    3.52                74