Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2023 9 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)
 09/21/2023   06:18:09   (   0.07, -75.21) (  -0.32, -73.43)  202.36                80
 09/22/2023   18:40:04   (  -0.06, -75.21) (  -0.82, -78.74)  401.73                80
 09/23/2023   18:23:57   (  -0.06, -75.21) (   0.15, -74.20)  115.06                80
 09/25/2023   06:43:04   (   0.05, -75.21) (   1.01, -79.47)  485.17                80
 09/26/2023   06:26:58   (   0.04, -75.22) (  -0.03, -74.94)   31.95                80
 09/28/2023   18:27:27   (  -0.04, -75.24) (  -0.12, -75.71)   53.26                80
 09/29/2023   18:11:21   (  -0.04, -75.25) (   0.87, -71.17)  464.90                80
 10/01/2023   06:33:07   (   0.04, -75.27) (   0.28, -76.44)  133.29                80
 10/02/2023   06:11:41   (   0.04, -75.28) (  -0.71, -71.90)  385.03                80
 10/03/2023   18:33:35   (  -0.04, -75.30) (  -0.46, -77.20)  216.51                80
 10/04/2023   18:17:28   (  -0.04, -75.32) (   0.53, -72.66)  302.06                80