Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2022   10:33:44   (  -0.03,-137.22) (  -0.11,-136.77)   50.80                80
 01/31/2022   22:34:12   (   0.03,-137.21) (  -0.06,-137.52)   36.25                80
 02/01/2022   22:18:06   (   0.03,-137.21) (   0.99,-133.00)  480.40                80
 02/03/2022   10:39:52   (  -0.03,-137.20) (   0.19,-138.26)  120.47                80
 02/04/2022   10:18:25   (  -0.03,-137.19) (  -0.81,-133.72)  396.07                80
 02/05/2022   22:40:18   (   0.03,-137.19) (  -0.41,-139.00)  207.77                80
 02/06/2022   22:24:13   (   0.03,-137.18) (   0.65,-134.48)  308.60                80
 02/08/2022   10:45:58   (  -0.02,-137.16) (   0.53,-139.74)  292.93                80
 02/09/2022   10:24:32   (  -0.02,-137.15) (  -0.47,-135.20)  223.01                80
 02/10/2022   22:46:25   (  -0.00,-137.14) (  -0.74,-140.49)  381.60                80
 02/11/2022   22:30:19   (  -0.01,-137.12) (   0.26,-135.95)  133.99                80