Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 2 3.  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)
 02/04/2023   18:26:30   (   0.05, -75.19) (  -0.09, -75.73)   61.95                80
 02/05/2023   18:10:25   (   0.05, -75.19) (   0.93, -71.20)  455.32                80
 02/07/2023   06:32:11   (  -0.05, -75.21) (   0.25, -76.47)  143.53                80
 02/08/2023   06:10:46   (  -0.04, -75.22) (  -0.78, -71.93)  374.04                80
 02/09/2023   18:32:41   (   0.04, -75.23) (  -0.38, -77.24)  228.71                80
 02/10/2023   18:16:34   (   0.04, -75.24) (   0.59, -72.70)  289.37                80
 02/12/2023   06:38:21   (  -0.04, -75.27) (   0.58, -77.97)  308.25                80
 02/13/2023   06:16:55   (  -0.04, -75.28) (  -0.44, -73.44)  209.77                80
 02/14/2023   18:38:50   (   0.03, -75.29) (  -0.76, -78.73)  392.75                80
 02/15/2023   18:22:44   (   0.03, -75.31) (   0.27, -74.21)  125.48                80