Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 8 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2021   18:27:15   (   0.13, -75.22) (  -0.04, -75.86)   73.57                80
 08/22/2021   18:11:11   (   0.13, -75.25) (   1.01, -71.34)  445.65                80
 08/24/2021   06:33:00   (  -0.13, -75.29) (   0.18, -76.61)  150.85                80
 08/25/2021   06:11:36   (  -0.13, -75.32) (  -0.88, -72.09)  368.70                80
 08/26/2021   18:33:34   (   0.14, -75.37) (  -0.31, -77.39)  230.45                80
 08/27/2021   18:17:29   (   0.14, -75.40) (   0.68, -72.86)  289.63                80
 08/29/2021   06:39:18   (  -0.14, -75.46) (   0.44, -78.14)  305.47                80
 08/30/2021   06:17:54   (  -0.14, -75.49) (  -0.55, -73.61)  214.53                80
 08/31/2021   18:39:51   (   0.15, -75.55) (  -0.63, -78.91)  384.38                80
 09/01/2021   18:23:48   (   0.15, -75.58) (   0.42, -74.39)  136.00                80
 09/03/2021   06:45:36   (  -0.16, -75.65) (   0.76, -79.66)  458.16                80