Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 11 28.  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)
 12/08/2021   13:52:55   ( -77.63, 128.83) 12/08/2021   13:54:04  ( -77.63, 128.87)    1.09                69
 12/08/2021   14:43:49   (  77.63, -63.92) 12/08/2021   14:44:50  (  77.65, -63.92)    2.35                61
 12/08/2021   15:34:55   ( -77.64, 103.36) 12/08/2021   15:35:34  ( -77.64, 103.46)    2.27                39
 12/08/2021   16:25:49   (  77.64, -89.38) 12/08/2021   16:26:20  (  77.66, -89.33)    2.71                31
 12/08/2021   17:16:55   ( -77.65,  77.90) 12/08/2021   17:17:04  ( -77.65,  78.05)    3.53                 9
 12/08/2021   18:07:48   (  77.68,-114.64) 12/08/2021   18:07:50  (  77.67,-114.74)    3.09                 2
 12/08/2021   18:58:55   ( -77.65,  52.44) 12/08/2021   18:58:35  ( -77.69,  52.44)    4.40                20
 12/08/2021   19:49:48   (  77.69,-140.10) 12/08/2021   19:49:20  (  77.67,-140.15)    2.12                28
 12/08/2021   20:40:54   ( -77.70,  27.18) 12/08/2021   20:40:05  ( -77.70,  27.03)    3.58                49
 12/08/2021   21:31:48   (  77.70,-165.56) 12/08/2021   21:30:50  (  77.68,-165.57)    1.59                58
 12/08/2021   22:22:50   ( -77.86,   2.56) 12/08/2021   22:21:39  ( -77.87,   0.81)   40.90                71