Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2021   08:23:26   (   0.07,-104.41) (   0.23,-105.00)   68.51                80
 03/12/2021   08:07:21   (   0.07,-104.42) (  -0.80,-100.48)  449.02                80
 03/13/2021   20:29:16   (  -0.08,-104.30) (  -0.42,-105.77)  168.29                80
 03/14/2021   20:07:52   (  -0.07,-104.30) (   0.62,-101.25)  347.88                80
 03/16/2021   08:29:39   (   0.08,-104.43) (   0.57,-106.51)  238.02                80
 03/17/2021   08:13:35   (   0.08,-104.44) (  -0.47,-101.98)  279.67                80
 03/18/2021   20:35:30   (  -0.09,-104.34) (  -0.75,-107.28)  335.18                80
 03/19/2021   20:14:06   (  -0.08,-104.34) (   0.29,-102.75)  180.86                80
 03/21/2021   08:35:53   (   0.09,-104.44) (   0.90,-108.02)  407.84                80
 03/22/2021   08:19:48   (   0.09,-104.45) (  -0.14,-103.49)  109.68                80
 03/24/2021   20:20:18   (  -0.10,-104.36) (  -0.09,-104.25)   13.18                80