Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2022   10:18:49   (  -0.03,-137.22) (  -0.77,-133.80)  389.21                80
 01/20/2022   22:40:44   (   0.03,-137.21) (  -0.41,-139.09)  214.85                80
 01/21/2022   22:24:38   (   0.03,-137.21) (   0.64,-134.57)  302.18                80
 01/23/2022   10:46:24   (  -0.03,-137.22) (   0.54,-139.83)  297.25                80
 01/24/2022   10:24:57   (  -0.03,-137.21) (  -0.45,-135.28)  219.34                80
 01/25/2022   22:46:51   (   0.03,-137.20) (  -0.72,-140.58)  385.83                80
 01/26/2022   22:30:45   (   0.03,-137.19) (   0.27,-136.04)  130.31                80
 01/28/2022   10:52:30   (   0.00,-137.17) (   0.91,-141.30)  470.07                80
 01/29/2022   10:31:04   (   0.02,-137.16) (  -0.09,-136.76)   45.67                80
 01/31/2022   22:34:12   (  -0.01,-137.11) (  -0.08,-137.52)   46.42                80
 02/01/2022   22:18:05   (  -0.01,-137.09) (   0.92,-132.98)  468.75                80