Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2021   08:19:53   (   0.05,-104.41) (  -0.17,-103.51)  102.52                80
 03/08/2021   20:23:03   (  -0.06,-104.27) (  -0.07,-104.27)    1.56                80
 03/11/2021   08:23:27   (   0.07,-104.42) (   0.17,-105.02)   67.97                80
 03/12/2021   08:07:21   (   0.06,-104.43) (  -0.81,-100.48)  449.78                80
 03/13/2021   20:29:16   (  -0.07,-104.31) (  -0.41,-105.77)  167.45                80
 03/14/2021   20:07:52   (  -0.06,-104.31) (   0.63,-101.25)  348.95                80
 03/16/2021   08:29:39   (   0.07,-104.45) (   0.56,-106.51)  236.30                80
 03/17/2021   08:13:35   (   0.07,-104.46) (  -0.48,-101.99)  281.62                80
 03/18/2021   20:35:30   (  -0.08,-104.36) (  -0.74,-107.28)  333.14                80
 03/19/2021   20:14:06   (  -0.07,-104.36) (   0.30,-102.76)  183.12                80