Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 5 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/20/2021   06:31:51   (  -0.01, -75.19) (   0.27, -76.41)  139.18                80
 05/21/2021   06:10:27   (  -0.01, -75.19) (  -0.77, -71.88)  376.65                80
 05/22/2021   18:32:24   (   0.01, -75.18) (  -0.43, -77.19)  228.47                80
 05/23/2021   18:16:21   (   0.01, -75.18) (   0.60, -72.67)  287.59                80
 05/25/2021   06:38:09   (  -0.02, -75.18) (   0.60, -77.93)  313.25                80
 05/26/2021   06:16:46   (  -0.02, -75.18) (  -0.43, -73.41)  202.88                80
 05/27/2021   18:38:43   (   0.02, -75.19) (  -0.76, -78.71)  401.90                80
 05/28/2021   18:22:39   (   0.01, -75.19) (   0.22, -74.18)  114.69                80
 05/30/2021   06:41:48   (  -0.01, -75.20) (   0.93, -79.46)  485.24                80
 05/31/2021   06:25:44   (  -0.00, -75.20) (  -0.05, -74.92)   31.81                80
 06/02/2021   18:26:17   (  -0.00, -75.23) (  -0.09, -75.70)   54.05                80