Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2023   20:24:56   (   0.02,-104.71) (   0.13,-104.20)   57.92                80
 06/21/2023   08:27:56   (  -0.03,-104.72) (   0.05,-104.93)   24.90                80
 06/22/2023   08:06:31   (  -0.03,-104.72) (  -0.99,-100.40)  491.93                80
 06/23/2023   20:28:25   (   0.03,-104.71) (  -0.20,-105.70)  112.92                80
 06/24/2023   20:12:19   (   0.03,-104.72) (   0.84,-101.17)  404.25                80
 06/26/2023   08:34:05   (  -0.03,-104.73) (   0.37,-106.43)  194.11                80
 06/27/2023   08:12:39   (  -0.03,-104.74) (  -0.67,-101.90)  322.79                80
 06/28/2023   20:34:34   (   0.04,-104.72) (  -0.51,-107.21)  282.55                80
 06/29/2023   20:18:27   (   0.04,-104.73) (   0.48,-102.66)  234.39                80
 07/01/2023   08:40:13   (  -0.05,-104.74) (   0.67,-107.94)  364.16                80