Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2023   08:28:05   (   0.01,-104.73) (   0.08,-105.05)   36.58                80
 07/24/2023   08:06:41   (   0.01,-104.72) (  -0.94,-100.52)  479.37                80
 07/25/2023   20:28:37   (  -0.01,-104.70) (  -0.26,-105.83)  127.77                80
 07/26/2023   20:12:33   (  -0.01,-104.70) (   0.76,-101.30)  388.36                80
 07/28/2023   08:34:20   (   0.02,-104.72) (   0.44,-106.57)  210.69                80
 07/29/2023   08:12:55   (   0.02,-104.71) (  -0.59,-102.04)  304.86                80
 07/30/2023   20:34:52   (  -0.03,-104.68) (  -0.60,-107.35)  303.56                80
 07/31/2023   20:18:46   (  -0.03,-104.68) (   0.37,-102.81)  212.16                80
 08/02/2023   08:40:34   (   0.04,-104.69) (   0.82,-108.08)  386.69                80
 08/03/2023   08:19:09   (   0.04,-104.69) (  -0.21,-103.56)  128.87                80