Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 02/07/2023   06:32:11   (  -0.05, -75.18) (   0.25, -76.46)  146.22                80
 02/08/2023   06:10:45   (  -0.05, -75.18) (  -0.77, -71.93)  370.28                80
 02/09/2023   18:32:41   (   0.05, -75.18) (  -0.39, -77.24)  234.00                80
 02/10/2023   18:16:34   (   0.05, -75.18) (   0.58, -72.70)  282.98                80
 02/12/2023   06:38:21   (  -0.04, -75.19) (   0.59, -77.97)  316.48                80
 02/13/2023   06:16:55   (  -0.04, -75.19) (  -0.44, -73.44)  200.46                80
 02/14/2023   18:38:49   (   0.04, -75.19) (  -0.77, -78.73)  403.59                80
 02/15/2023   18:22:44   (   0.03, -75.20) (   0.26, -74.20)  113.53                80
 02/17/2023   06:44:29   (  -0.02, -75.21) (   0.96, -79.46)  485.29                80
 02/18/2023   06:23:04   (  -0.01, -75.21) (  -0.07, -74.93)   32.13                80