Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 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)
 04/06/2025   06:38:46   (  -0.06, -75.49) (   0.49, -78.00)  285.68                80
 04/07/2025   06:17:20   (  -0.06, -75.49) (  -0.49, -73.46)  231.27                80
 04/08/2025   18:39:14   (   0.05, -75.48) (  -0.69, -78.75)  372.84                80
 04/09/2025   18:23:09   (   0.05, -75.49) (   0.36, -74.22)  144.96                80
 04/11/2025   06:44:54   (  -0.04, -75.52) (   0.83, -79.48)  451.64                80
 04/12/2025   06:23:28   (  -0.05, -75.53) (  -0.17, -74.94)   66.27                80
 04/14/2025   18:26:35   (   0.04, -75.54) (   0.01, -75.70)   18.49                80
 04/15/2025   18:10:29   (   0.05, -75.55) (   1.02, -71.16)  499.95                80
 04/17/2025   06:32:14   (  -0.04, -75.59) (   0.16, -76.42)   95.80                80
 04/18/2025   06:10:48   (  -0.04, -75.60) (  -0.84, -71.89)  422.62                80
 04/19/2025   18:32:41   (   0.03, -75.60) (  -0.33, -77.18)  179.79                80