Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2022   22:43:08   (   0.04,-137.20) (  -0.40,-139.08)  215.30                80
 04/11/2022   22:21:43   (   0.03,-137.19) (   0.64,-134.56)  300.81                80
 04/13/2022   10:46:10   (  -0.03,-137.19) (   0.58,-139.81)  299.37                80
 04/14/2022   10:24:45   (  -0.03,-137.18) (  -0.46,-135.29)  216.41                80
 04/15/2022   22:49:20   (   0.02,-137.16) (  -0.75,-140.58)  390.15                80
 04/16/2022   22:27:56   (   0.03,-137.15) (   0.30,-136.06)  125.20                80
 04/18/2022   10:52:22   (  -0.03,-137.14) (   0.92,-141.31)  476.42                80
 04/19/2022   10:30:58   (  -0.03,-137.12) (  -0.13,-136.79)   38.37                80
 04/21/2022   22:34:08   (   0.02,-137.06) (  -0.08,-137.55)   56.00                80
 04/22/2022   22:18:02   (   0.02,-137.03) (   0.92,-133.01)  458.08                80