Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2020 4 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/05/2020   22:23:56   (   0.02,-137.19) (   0.61,-134.57)  298.07                80
 04/07/2020   10:45:43   (  -0.02,-137.18) (   0.59,-139.84)  302.69                80
 04/08/2020   10:24:19   (  -0.02,-137.18) (  -0.43,-135.31)  212.67                80
 04/09/2020   22:46:15   (   0.02,-137.15) (  -0.77,-140.61)  394.40                80
 04/10/2020   22:30:11   (   0.02,-137.14) (   0.24,-136.08)  120.75                80
 04/12/2020   10:51:59   (  -0.02,-137.13) (   0.90,-141.35)  480.96                80
 04/13/2020   10:30:33   (  -0.02,-137.11) (  -0.06,-136.81)   33.76                80
 04/15/2020   22:33:45   (   0.01,-137.06) (  -0.12,-137.58)   60.13                80
 04/16/2020   22:17:41   (   0.01,-137.04) (   0.90,-133.05)  454.41                80
 04/18/2020   10:39:28   (  -0.01,-137.02) (   0.30,-138.32)  147.98                80
 04/19/2020   10:18:04   (  -0.01,-137.00) (  -0.72,-133.79)  366.17                80