Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 4.  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)
 02/05/2023   18:10:25   (   0.05, -75.20) (   0.95, -71.20)  455.41                80
 02/07/2023   06:32:11   (  -0.05, -75.21) (   0.22, -76.47)  143.61                80
 02/08/2023   06:10:46   (  -0.05, -75.22) (  -0.80, -71.94)  373.96                80
 02/09/2023   18:32:40   (   0.04, -75.23) (  -0.42, -77.23)  228.65                80
 02/10/2023   18:16:35   (   0.04, -75.24) (   0.61, -72.70)  289.40                80
 02/12/2023   06:38:21   (  -0.04, -75.27) (   0.56, -77.97)  308.35                80
 02/13/2023   06:16:56   (  -0.04, -75.28) (  -0.46, -73.44)  209.66                80
 02/14/2023   18:38:50   (   0.03, -75.29) (  -0.74, -78.74)  392.74                80
 02/15/2023   18:22:44   (   0.03, -75.31) (   0.29, -74.21)  125.48                80
 02/17/2023   06:44:30   (  -0.01, -75.33) (   0.94, -79.47)  471.56                80
 02/18/2023   06:23:04   (  -0.00, -75.35) (  -0.10, -74.94)   46.92                80