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,-104.70) (   0.09,-105.04)   40.45                80
 07/24/2023   08:06:41   (  -0.01,-104.69) (  -0.93,-100.52)  474.58                80
 07/25/2023   20:28:37   (   0.01,-104.65) (  -0.27,-105.82)  133.98                80
 07/26/2023   20:12:32   (   0.01,-104.64) (   0.75,-101.30)  381.14                80
 07/28/2023   08:34:20   (  -0.01,-104.64) (   0.45,-106.57)  219.89                80
 07/29/2023   08:12:55   (  -0.00,-104.63) (  -0.58,-102.04)  294.63                80
 07/30/2023   20:34:52   (  -0.00,-104.58) (  -0.61,-107.35)  315.08                80
 07/31/2023   20:18:46   (  -0.01,-104.57) (   0.36,-102.81)  199.60                80
 08/02/2023   08:40:34   (   0.01,-104.57) (   0.77,-108.09)  401.32                80
 08/03/2023   08:19:09   (   0.01,-104.55) (  -0.20,-103.55)  113.20                80