Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 16.  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   10:29:28   (   0.16,-134.67) (   0.27,-135.09)   49.37                80
 04/19/2023   22:30:02   (  -0.15,-135.87) (  -0.19,-135.92)    6.69                80
 04/22/2023   10:33:07   (   0.15,-137.13) (   0.09,-136.72)   46.85                80
 04/23/2023   22:57:45   (  -0.13,-137.84) (  -1.07,-142.07)  481.18                80
 04/24/2023   22:36:21   (  -0.15,-138.32) (   0.02,-137.55)   87.85                80
 04/26/2023   11:00:50   (   0.13,-139.09) (   0.95,-142.86)  429.42                80
 04/27/2023   10:39:25   (   0.15,-139.57) (  -0.14,-138.35)  139.29                80
 04/28/2023   23:04:03   (  -0.13,-140.26) (  -0.88,-143.68)  389.56                80
 04/29/2023   22:42:38   (  -0.14,-140.74) (   0.22,-139.17)  179.09                80