Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 9 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/30/2021   06:39:29   (  -0.10, -75.20) (   0.55, -78.12)  332.54                80
 10/01/2021   06:18:04   (  -0.10, -75.20) (  -0.46, -73.58)  184.08                80
 10/02/2021   18:42:41   (   0.10, -75.22) (  -0.70, -78.89)  418.33                80
 10/03/2021   18:21:17   (   0.11, -75.23) (   0.31, -74.36)   98.90                80
 10/06/2021   06:24:21   (  -0.11, -75.24) (  -0.15, -75.10)   16.83                80
 10/08/2021   18:30:13   (   0.10, -75.28) (  -0.04, -75.87)   67.08                80
 10/09/2021   18:08:48   (   0.11, -75.29) (   0.97, -71.33)  450.65                80
 10/11/2021   06:33:16   (  -0.10, -75.31) (   0.20, -76.60)  148.24                80
 10/12/2021   06:11:52   (  -0.11, -75.32) (  -0.81, -72.07)  369.32                80