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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/15/2023   22:05:00   (  -0.17,-133.88) (   0.77,-129.80)  466.41                80
 04/17/2023   10:29:28   (   0.16,-134.67) (   0.28,-135.09)   49.42                80
 04/19/2023   22:30:02   (  -0.15,-135.87) (  -0.19,-135.92)    7.00                80
 04/22/2023   10:33:08   (   0.15,-137.13) (   0.03,-136.73)   46.80                80
 04/23/2023   22:57:45   (  -0.13,-137.84) (  -1.08,-142.06)  481.18                80
 04/24/2023   22:36:20   (  -0.14,-138.32) (   0.01,-137.55)   87.86                80
 04/26/2023   11:00:50   (   0.13,-139.09) (   0.96,-142.86)  429.43                80
 04/27/2023   10:39:25   (   0.14,-139.57) (  -0.13,-138.34)  139.26                80
 04/28/2023   23:04:03   (  -0.13,-140.26) (  -0.89,-143.68)  389.58                80