Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2022 1 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)
 01/10/2022   22:31:09   (   0.03,-137.20) (   0.26,-136.12)  122.80                80
 01/12/2022   10:50:14   (  -0.03,-137.20) (   0.93,-141.38)  477.44                80
 01/13/2022   10:34:08   (  -0.02,-137.19) (  -0.12,-136.85)   38.69                80
 01/15/2022   22:34:36   (  -0.00,-137.15) (  -0.08,-137.61)   51.86                80
 01/16/2022   22:18:30   (  -0.02,-137.13) (   0.91,-133.07)  463.82                80
 01/18/2022   10:40:15   (   0.02,-137.11) (   0.27,-138.33)  138.03                80
 01/19/2022   10:18:49   (   0.02,-137.09) (  -0.72,-133.79)  376.86                80
 01/20/2022   22:40:43   (  -0.01,-137.06) (  -0.46,-139.08)  230.92                80
 01/21/2022   22:24:37   (  -0.01,-137.04) (   0.54,-134.54)  283.77                80
 01/23/2022   10:46:22   (   0.01,-137.01) (   0.65,-139.80)  318.91                80