Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 9 7.  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   (  77.89, 113.63) 09/14/2021   02:47:30  (  77.94, 113.75)    6.33                74
 09/14/2021   03:37:13   ( -77.92, -78.94) 09/14/2021   03:38:14  ( -77.91, -78.81)    3.08                61
 09/14/2021   04:28:15   (  77.93,  88.40) 09/14/2021   04:29:00  (  77.94,  88.36)    1.09                45
 09/14/2021   05:19:13   ( -77.92,-104.39) 09/14/2021   05:19:45  ( -77.95,-104.41)    3.32                32
 09/14/2021   06:10:15   (  77.94,  62.95) 09/14/2021   06:10:30  (  77.94,  62.97)    0.38                15
 09/14/2021   07:01:13   ( -77.93,-129.83) 09/14/2021   07:01:15  ( -77.96,-129.80)    2.74                 2
 09/14/2021   07:52:15   (  77.95,  37.51) 09/14/2021   07:52:00  (  77.94,  37.58)    1.83                15
 09/14/2021   08:43:13   ( -77.94,-155.28) 09/14/2021   08:42:45  ( -77.96,-155.19)    2.93                28
 09/14/2021   09:34:15   (  77.96,  12.07) 09/14/2021   09:33:30  (  77.95,  12.19)    3.27                45
 09/14/2021   10:25:12   ( -77.99, 179.49) 09/14/2021   10:24:15  ( -77.96, 179.43)    3.35                57
 09/14/2021   11:16:15   (  77.97, -13.38) 09/14/2021   11:15:01  (  77.99, -13.41)    2.32                74