Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2023 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/18/2023   08:56:20   (   0.35,-108.61) (   1.27,-112.73)  469.75                80
 09/19/2023   08:40:15   (   0.36,-108.61) (   0.25,-108.20)   47.06                80
 09/21/2023   20:40:43   (  -0.35,-108.52) (  -0.43,-108.97)   50.88                80
 09/22/2023   20:24:37   (  -0.35,-108.51) (   0.55,-104.42)  465.63                80
 09/24/2023   08:43:44   (   0.33,-108.59) (   0.56,-109.71)  126.65                80
 09/25/2023   08:27:38   (   0.33,-108.58) (  -0.42,-105.16)  389.58                80
 09/26/2023   20:46:52   (  -0.31,-108.49) (  -0.77,-110.46)  225.59                80
 09/27/2023   20:30:47   (  -0.32,-108.49) (   0.27,-105.93)  291.12                80
 09/29/2023   08:49:53   (   0.29,-108.57) (   0.88,-111.20)  300.30                80
 09/30/2023   08:33:47   (   0.30,-108.57) (  -0.10,-106.66)  216.46                80
 10/01/2023   20:53:01   (  -0.28,-108.47) (  -1.07,-111.96)  398.51                80