Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/12/2021   08:07:21   (   0.07,-104.42) (  -0.81,-100.48)  449.08                80
 03/13/2021   20:29:17   (  -0.08,-104.30) (  -0.41,-105.77)  168.34                80
 03/14/2021   20:07:52   (  -0.07,-104.29) (   0.63,-101.25)  347.80                80
 03/16/2021   08:29:39   (   0.08,-104.43) (   0.56,-106.51)  238.12                80
 03/17/2021   08:13:35   (   0.08,-104.44) (  -0.48,-101.99)  279.54                80
 03/18/2021   20:35:30   (  -0.09,-104.34) (  -0.74,-107.28)  335.43                80
 03/19/2021   20:14:05   (  -0.08,-104.33) (   0.24,-102.74)  180.60                80
 03/21/2021   08:35:53   (   0.09,-104.44) (   0.88,-108.02)  408.14                80
 03/22/2021   08:19:48   (   0.09,-104.45) (  -0.10,-103.48)  109.36                80
 03/24/2021   20:20:18   (  -0.10,-104.36) (  -0.08,-104.25)   12.51                80