Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 4 27.  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   19:07:08   (   0.04, -84.51) (  -0.12, -85.16)   74.66                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) (   0.00, -85.98)   22.65                80
 05/03/2025   19:10:59   (   0.03, -87.08) (   0.09, -86.82)   29.62                80
 05/05/2025   07:35:32   (  -0.02, -87.86) (   0.91, -92.14)  487.57                80
 05/06/2025   07:14:09   (  -0.02, -88.37) (  -0.16, -87.63)   84.07                80
 05/07/2025   19:38:50   (   0.02, -89.18) (  -0.86, -92.98)  433.27                80
 05/08/2025   19:17:28   (   0.02, -89.70) (   0.28, -88.48)  138.80                80
 05/10/2025   07:42:01   (  -0.02, -90.48) (   0.70, -93.80)  377.28                80
 05/11/2025   07:20:39   (  -0.02, -91.00) (  -0.38, -89.29)  194.81                80