Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2023   08:06:31   (   0.00,-104.72) (  -0.94,-100.39)  491.91                80
 06/23/2023   20:28:28   (  -0.00,-104.71) (  -0.24,-105.71)  114.45                80
 06/24/2023   20:12:25   (   0.00,-104.71) (   0.80,-101.19)  401.72                80
 06/26/2023   08:34:13   (  -0.00,-104.73) (   0.40,-106.46)  198.13                80
 06/27/2023   08:12:50   (  -0.00,-104.73) (  -0.65,-101.94)  317.80                80
 06/28/2023   20:34:46   (  -0.00,-104.71) (  -0.59,-107.24)  288.92                80
 06/29/2023   20:18:42   (  -0.00,-104.71) (   0.47,-102.73)  227.15                80
 07/01/2023   08:40:31   (   0.00,-104.73) (   0.73,-108.00)  372.71                80
 07/02/2023   08:19:06   (   0.01,-104.72) (  -0.26,-103.47)  142.70                80
 07/03/2023   20:41:03   (  -0.00,-104.70) (  -0.90,-108.78)  465.38                80
 07/04/2023   20:24:59   (  -0.00,-104.69) (   0.10,-104.25)   50.17                80