Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 7 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/03/2023   13:06:59   (  -0.23,-170.82) (   0.59,-174.64)  435.29                80
 07/04/2023   12:45:38   (  -0.20,-171.84) (  -0.58,-170.15)  192.09                80
 07/06/2023   01:10:21   (   0.24,-173.41) (  -0.23,-175.55)  243.12                80
 07/07/2023   00:49:00   (   0.21,-174.43) (   0.95,-171.06)  384.45                80
 07/08/2023   13:13:34   (  -0.24,-176.00) (  -0.13,-176.41)   47.92                80
 07/10/2023   01:35:37   (   0.28,-177.56) (  -0.68, 178.19)  483.67                80
 07/11/2023   01:14:16   (   0.25,-178.58) (   0.50,-177.32)  143.62                80
 07/12/2023   13:38:51   (  -0.28, 179.86) (   0.26, 177.32)  289.06                80
 07/13/2023   13:17:30   (  -0.26, 178.84) (  -0.92,-178.19)  337.52                80
 07/15/2023   01:42:13   (   0.30, 177.29) (   0.13, 176.41)   99.35                80