Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/08/2021   18:30:12   (   0.08, -75.20) (  -0.06, -75.86)   74.87                80
 10/09/2021   18:08:48   (   0.08, -75.20) (   0.95, -71.33)  441.14                80
 10/11/2021   06:33:16   (  -0.08, -75.19) (   0.22, -76.60)  159.94                80
 10/12/2021   06:11:52   (  -0.08, -75.19) (  -0.79, -72.06)  356.03                80
 10/13/2021   18:36:28   (   0.08, -75.19) (  -0.41, -77.36)  248.05                80
 10/14/2021   18:15:03   (   0.08, -75.19) (   0.61, -72.83)  268.45                80
 10/16/2021   06:39:32   (  -0.08, -75.19) (   0.56, -78.10)  331.15                80
 10/17/2021   06:18:07   (  -0.08, -75.20) (  -0.46, -73.57)  185.88                80
 10/18/2021   18:42:44   (   0.07, -75.22) (  -0.73, -78.87)  416.40                80
 10/19/2021   18:21:19   (   0.08, -75.23) (   0.28, -74.34)  101.28                80