Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2023   10:29:29   (   0.16,-134.67) (   0.23,-135.10)   49.36                80
 04/19/2023   22:32:43   (  -0.15,-135.87) (  -0.15,-135.93)    6.46                80
 04/22/2023   10:33:07   (   0.15,-137.13) (   0.05,-136.73)   46.78                80
 04/23/2023   22:57:45   (  -0.13,-137.84) (  -1.09,-142.06)  481.12                80
 04/24/2023   22:36:20   (  -0.15,-138.32) (   0.00,-137.55)   87.95                80
 04/26/2023   11:00:49   (   0.13,-139.09) (   0.97,-142.86)  429.40                80
 04/27/2023   10:39:25   (   0.15,-139.57) (  -0.12,-138.34)  139.30                80
 04/28/2023   23:04:02   (  -0.13,-140.26) (  -0.90,-143.68)  389.50                80
 04/29/2023   22:42:38   (  -0.14,-140.74) (   0.20,-139.17)  179.15                80