Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2023 3 7.  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)
 03/08/2023   18:26:25   (   0.07, -75.19) (  -0.07, -75.79)   68.55                80
 03/09/2023   18:10:19   (   0.07, -75.19) (   0.92, -71.26)  448.17                80
 03/11/2023   06:32:06   (  -0.07, -75.20) (   0.23, -76.53)  151.55                80
 03/12/2023   06:10:41   (  -0.07, -75.20) (  -0.77, -72.00)  365.20                80
 03/13/2023   18:32:36   (   0.06, -75.20) (  -0.42, -77.30)  238.99                80
 03/14/2023   18:16:31   (   0.06, -75.21) (   0.59, -72.76)  277.97                80
 03/16/2023   06:38:18   (  -0.05, -75.22) (   0.55, -78.04)  321.27                80
 03/17/2023   06:16:53   (  -0.05, -75.22) (  -0.46, -73.51)  195.86                80
 03/18/2023   18:41:27   (   0.04, -75.23) (  -0.76, -78.80)  407.60                80
 03/19/2023   18:20:01   (   0.04, -75.24) (   0.26, -74.27)  110.16                80
 03/21/2023   06:44:28   (  -0.03, -75.26) (   0.92, -79.54)  487.28                80