Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 10 6.  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, 136.95)   69.09                67
 10/12/2021   14:11:39   (  77.83, -56.95) 10/12/2021   14:12:41  (  77.81, -56.88)    3.02                62
 10/12/2021   15:02:35   ( -77.82, 110.29) 10/12/2021   15:03:26  ( -77.82, 110.36)    1.66                51
 10/12/2021   15:53:39   (  77.84, -82.41) 10/12/2021   15:54:12  (  77.85, -82.48)    2.30                33
 10/12/2021   16:44:35   ( -77.83,  84.84) 10/12/2021   16:44:56  ( -77.82,  84.96)    3.12                21
 10/12/2021   17:35:39   (  77.84,-107.86) 10/12/2021   17:35:42  (  77.85,-107.87)    1.04                 3
 10/12/2021   18:26:35   ( -77.84,  59.39) 10/12/2021   18:26:27  ( -77.87,  59.37)    3.16                 8
 10/12/2021   19:17:39   (  77.85,-133.31) 10/12/2021   19:17:12  (  77.86,-133.26)    1.14                27
 10/12/2021   20:08:35   ( -77.85,  33.94) 10/12/2021   20:07:57  ( -77.87,  33.98)    2.73                38
 10/12/2021   20:59:39   (  77.86,-158.76) 10/12/2021   20:58:42  (  77.86,-158.66)    2.43                57
 10/12/2021   21:50:35   ( -77.86,   8.49) 10/12/2021   21:49:27  ( -77.88,   8.58)    3.04                68