Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 11.  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)
 10/12/2021   13:20:43   ( -77.50, 134.08) 10/12/2021   13:21:50  ( -77.57, 136.94)   68.99                67
 10/12/2021   14:11:39   (  77.83, -56.94) 10/12/2021   14:12:42  (  77.84, -57.08)    3.45                63
 10/12/2021   15:02:35   ( -77.82, 110.28) 10/12/2021   15:03:26  ( -77.82, 110.35)    1.51                51
 10/12/2021   15:53:39   (  77.84, -82.39) 10/12/2021   15:54:12  (  77.85, -82.47)    1.96                33
 10/12/2021   16:44:35   ( -77.83,  84.83) 10/12/2021   16:44:56  ( -77.82,  84.95)    2.94                21
 10/12/2021   17:35:39   (  77.85,-107.84) 10/12/2021   17:35:42  (  77.85,-107.86)    0.49                 3
 10/12/2021   18:26:35   ( -77.84,  59.38) 10/12/2021   18:26:27  ( -77.87,  59.36)    3.36                 8
 10/12/2021   19:17:39   (  77.86,-133.29) 10/12/2021   19:17:12  (  77.85,-133.25)    1.01                27
 10/12/2021   20:08:35   ( -77.85,  33.93) 10/12/2021   20:07:57  ( -77.87,  33.97)    2.85                38
 10/12/2021   20:59:39   (  77.86,-158.75) 10/12/2021   20:58:42  (  77.86,-158.65)    2.48                57
 10/12/2021   21:50:35   ( -77.86,   8.48) 10/12/2021   21:49:27  ( -77.88,   8.57)    3.05                68