Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/16/2021   08:29:39   (   0.09,-104.42) (   0.58,-106.51)  238.14                80
 03/17/2021   08:13:35   (   0.08,-104.43) (  -0.46,-101.98)  279.43                80
 03/18/2021   20:35:30   (  -0.09,-104.33) (  -0.76,-107.28)  335.93                80
 03/19/2021   20:14:05   (  -0.09,-104.33) (   0.28,-102.75)  179.98                80
 03/21/2021   08:35:53   (   0.10,-104.43) (   0.90,-108.02)  408.65                80
 03/22/2021   08:19:48   (   0.10,-104.44) (  -0.14,-103.49)  108.74                80
 03/24/2021   20:20:18   (  -0.11,-104.35) (  -0.10,-104.24)   11.60                80
 03/27/2021   08:23:21   (   0.11,-104.44) (   0.24,-104.98)   62.50                80
 03/28/2021   08:07:16   (   0.11,-104.45) (  -0.80,-100.46)  454.91                80
 03/29/2021   20:29:12   (  -0.11,-104.37) (  -0.41,-105.75)  156.98                80