Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2021 2 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2021   10:30:27   (  -0.04,-137.21) (  -0.13,-136.81)   45.65                80
 03/01/2021   22:33:37   (   0.04,-137.22) (  -0.06,-137.58)   41.75                80
 03/02/2021   22:17:33   (   0.04,-137.22) (   0.97,-133.05)  474.75                80
 03/04/2021   10:39:20   (  -0.04,-137.22) (   0.23,-138.32)  125.85                80
 03/05/2021   10:17:56   (  -0.04,-137.21) (  -0.81,-133.79)  390.02                80
 03/06/2021   22:39:51   (   0.03,-137.20) (  -0.42,-139.08)  215.77                80
 03/07/2021   22:23:47   (   0.03,-137.19) (   0.62,-134.56)  299.86                80
 03/09/2021   10:45:34   (  -0.01,-137.18) (   0.58,-139.82)  301.58                80
 03/10/2021   10:24:09   (  -0.01,-137.16) (  -0.45,-135.29)  213.80                80
 03/11/2021   22:46:05   (   0.00,-137.14) (  -0.76,-140.59)  392.74                80
 03/12/2021   22:30:00   (   0.00,-137.13) (   0.27,-136.06)  122.56                80