Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/01/2022   22:34:39   (  -0.01,-137.33) (  -0.06,-137.48)   18.13                80
 12/02/2022   22:18:34   (  -0.01,-137.33) (   0.96,-132.95)  498.95                80
 12/04/2022   10:40:20   (   0.01,-137.33) (   0.21,-138.21)  100.20                80
 12/05/2022   10:18:55   (   0.01,-137.33) (  -0.81,-133.67)  416.50                80
 12/06/2022   22:40:49   (  -0.02,-137.31) (  -0.40,-138.96)  188.28                80
 12/07/2022   22:24:43   (  -0.02,-137.30) (   0.62,-134.42)  328.03                80
 12/09/2022   10:46:30   (   0.03,-137.29) (   0.55,-139.69)  272.32                80
 12/10/2022   10:25:03   (   0.03,-137.28) (  -0.42,-135.14)  243.53                80
 12/11/2022   22:46:59   (  -0.04,-137.25) (  -0.73,-140.44)  362.51                80
 12/12/2022   22:28:12   (  -0.04,-137.24) (   0.24,-135.89)  153.08                80