Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 3 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2022   22:46:48   (   0.04,-137.20) (  -0.72,-140.61)  388.30                80
 03/15/2022   22:30:43   (   0.04,-137.20) (   0.30,-136.08)  127.75                80
 03/17/2022   10:52:30   (  -0.03,-137.20) (   0.90,-141.34)  472.77                80
 03/18/2022   10:31:06   (  -0.03,-137.19) (  -0.12,-136.81)   42.84                80
 03/20/2022   22:34:18   (   0.03,-137.16) (  -0.04,-137.59)   48.72                80
 03/21/2022   22:18:12   (   0.04,-137.14) (   0.93,-133.05)  466.33                80
 03/23/2022   10:40:01   (  -0.03,-137.13) (   0.21,-138.33)  136.09                80
 03/24/2022   10:18:35   (  -0.03,-137.11) (  -0.76,-133.79)  378.25                80
 03/25/2022   22:40:31   (   0.02,-137.07) (  -0.42,-139.09)  230.45                80
 03/26/2022   22:24:26   (   0.02,-137.04) (   0.55,-134.55)  283.63                80