Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 3 31.  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)
 04/10/2021   23:47:28   (  78.45, 155.68) 04/10/2021   23:48:41  (  78.43, 155.72)    2.52                73
 04/11/2021   00:38:33   ( -78.44, -37.15) 04/11/2021   00:39:26  ( -78.45, -37.09)    1.75                53
 04/11/2021   01:29:28   (  78.47, 130.28) 04/11/2021   01:30:11  (  78.44, 130.31)    3.50                43
 04/11/2021   02:20:33   ( -78.46, -62.56) 04/11/2021   02:20:56  ( -78.46, -62.49)    1.46                23
 04/11/2021   03:11:29   (  78.44, 104.64) 04/11/2021   03:11:42  (  78.48, 104.68)    3.97                13
 04/11/2021   04:02:33   ( -78.47, -87.97) 04/11/2021   04:02:26  ( -78.46, -87.90)    1.78                 7
 04/11/2021   04:53:29   (  78.46,  79.23) 04/11/2021   04:53:12  (  78.48,  79.28)    2.97                17
 04/11/2021   05:44:33   ( -78.48,-113.37) 04/11/2021   05:43:56  ( -78.47,-113.30)    2.48                37
 04/11/2021   06:35:29   (  78.47,  53.83) 04/11/2021   06:34:42  (  78.49,  53.87)    2.02                47
 04/11/2021   07:26:33   ( -78.50,-138.78) 04/11/2021   07:25:26  ( -78.47,-138.71)    3.32                67
 04/11/2021   08:17:27   (  78.56,  28.90) 04/11/2021   08:16:14  (  78.57,  28.01)   19.76                73