Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 1 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/07/2023   22:41:39   (  -0.03,-137.33) (  -0.43,-139.08)  199.73                80
 01/08/2023   22:25:36   (  -0.03,-137.33) (   0.59,-134.55)  316.15                80
 01/10/2023   10:47:25   (   0.04,-137.32) (   0.57,-139.83)  284.90                80
 01/11/2023   10:26:01   (   0.03,-137.32) (  -0.40,-135.29)  230.67                80
 01/12/2023   22:47:59   (  -0.04,-137.30) (  -0.76,-140.60)  375.42                80
 01/13/2023   22:31:55   (  -0.04,-137.29) (   0.21,-136.06)  139.95                80
 01/15/2023   10:53:44   (   0.04,-137.28) (   0.94,-141.33)  461.93                80
 01/16/2023   10:32:20   (   0.04,-137.27) (  -0.09,-136.81)   52.90                80
 01/18/2023   22:35:33   (  -0.05,-137.21) (  -0.14,-137.57)   40.72                80
 01/19/2023   22:19:30   (  -0.06,-137.19) (   0.90,-133.05)  473.23                80