Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 4 17.  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)
 04/25/2021   02:57:43   ( -78.40, -71.64) 04/25/2021   02:58:51  ( -78.40, -71.69)    1.05                68
 04/25/2021   03:48:42   (  78.41,  95.63) 04/25/2021   03:49:36  (  78.39,  95.70)    2.39                54
 04/25/2021   04:39:43   ( -78.42, -97.05) 04/25/2021   04:40:21  ( -78.41, -97.09)    1.31                38
 04/25/2021   05:30:42   (  78.42,  70.22) 04/25/2021   05:31:06  (  78.40,  70.30)    3.18                24
 04/25/2021   06:21:43   ( -78.43,-122.46) 04/25/2021   06:21:51  ( -78.42,-122.50)    2.01                 8
 04/25/2021   07:12:42   (  78.44,  44.81) 04/25/2021   07:12:37  (  78.44,  44.66)    3.39                 5
 04/25/2021   08:03:43   ( -78.45,-147.87) 04/25/2021   08:03:21  ( -78.42,-147.90)    2.84                22
 04/25/2021   08:54:42   (  78.45,  19.41) 04/25/2021   08:54:07  (  78.45,  19.26)    3.34                35
 04/25/2021   09:45:43   ( -78.46,-173.28) 04/25/2021   09:44:51  ( -78.43,-173.31)    3.71                52
 04/25/2021   10:36:43   (  78.43,  -6.23) 04/25/2021   10:35:37  (  78.45,  -6.15)    3.30                66
 04/25/2021   11:27:35   ( -78.75, 163.25) 04/25/2021   11:26:30  ( -78.77, 159.21)   87.65                65