Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2023   00:49:00   (   0.21,-174.43) (   0.96,-171.06)  384.80                80
 07/08/2023   13:13:34   (  -0.24,-175.99) (  -0.13,-176.41)   48.05                80
 07/10/2023   01:35:37   (   0.28,-177.57) (  -0.67, 178.19)  483.17                80
 07/11/2023   01:14:16   (   0.25,-178.59) (   0.51,-177.32)  144.15                80
 07/12/2023   13:38:50   (  -0.29, 179.86) (   0.31, 177.33)  289.06                80
 07/13/2023   13:17:30   (  -0.26, 178.85) (  -0.93,-178.20)  337.58                80
 07/15/2023   01:42:12   (   0.30, 177.28) (   0.08, 176.42)   98.64                80
 07/17/2023   13:42:46   (  -0.30, 174.72) (  -0.51, 175.54)   94.09                80
 07/19/2023   02:07:28   (   0.34, 173.16) (  -0.34, 170.16)  342.63                80