Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 3 6.  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)
 03/07/2025   18:39:38   (   0.06, -75.23) (  -0.73, -78.82)  408.34                80
 03/08/2025   18:23:34   (   0.06, -75.24) (   0.29, -74.29)  109.26                80
 03/10/2025   06:45:20   (  -0.05, -75.27) (   0.92, -79.55)  487.96                80
 03/11/2025   06:23:56   (  -0.05, -75.29) (  -0.10, -75.02)   29.95                80
 03/13/2025   18:27:08   (   0.04, -75.32) (  -0.08, -75.80)   54.13                80
 03/14/2025   18:11:03   (   0.04, -75.35) (   0.96, -71.27)  464.82                80
 03/16/2025   06:32:50   (  -0.04, -75.40) (   0.19, -76.54)  130.36                80
 03/17/2025   06:11:25   (  -0.04, -75.42) (  -0.78, -72.00)  388.55                80
 03/18/2025   18:33:22   (   0.04, -75.45) (  -0.35, -77.32)  213.18                80
 03/19/2025   18:17:17   (   0.04, -75.47) (   0.63, -72.78)  306.24                80