Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 28.  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)
 04/28/2025   19:07:10   (   0.04, -84.51) (   0.00, -85.19)   75.64                80
 04/29/2025   18:45:46   (   0.04, -85.01) (   1.00, -80.66)  495.85                80
 05/01/2025   07:10:20   (  -0.04, -85.78) (   0.01, -85.98)   22.66                80
 05/03/2025   19:10:59   (   0.03, -87.08) (   0.08, -86.82)   29.57                80
 05/05/2025   07:35:32   (  -0.02, -87.86) (   0.92, -92.14)  487.65                80
 05/06/2025   07:14:10   (  -0.02, -88.37) (  -0.21, -87.64)   83.94                80
 05/07/2025   19:38:51   (   0.02, -89.18) (  -0.82, -92.99)  433.43                80
 05/08/2025   19:17:29   (   0.02, -89.70) (   0.32, -88.49)  138.63                80
 05/10/2025   07:42:02   (  -0.02, -90.48) (   0.73, -93.79)  377.50                80
 05/11/2025   07:20:40   (  -0.02, -91.00) (  -0.40, -89.30)  194.53                80