Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2022   22:46:52   (   0.04,-137.23) (  -0.71,-140.59)  382.60                80
 01/26/2022   22:30:45   (   0.04,-137.22) (   0.29,-136.05)  134.12                80
 01/28/2022   10:49:50   (  -0.03,-137.21) (   0.89,-141.31)  466.91                80
 01/29/2022   10:33:44   (  -0.02,-137.20) (  -0.10,-136.77)   49.21                80
 01/31/2022   22:34:11   (  -0.02,-137.17) (  -0.12,-137.51)   39.25                80
 02/01/2022   22:18:05   (  -0.01,-137.16) (   0.93,-132.98)  476.19                80
 02/03/2022   10:39:51   (   0.00,-137.14) (   0.24,-138.24)  125.92                80
 02/04/2022   10:18:24   (  -0.01,-137.13) (  -0.75,-133.70)  389.56                80
 02/05/2022   22:40:18   (   0.01,-137.11) (  -0.40,-139.01)  216.03                80
 02/06/2022   22:24:12   (   0.01,-137.09) (   0.60,-134.47)  299.42                80