Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 5 1.  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)
 05/03/2025   19:10:59   (   0.03, -87.08) (   0.09, -86.82)   28.95                80
 05/05/2025   07:35:32   (  -0.02, -87.85) (   0.91, -92.14)  488.41                80
 05/06/2025   07:14:11   (  -0.03, -88.36) (  -0.22, -87.64)   83.07                80
 05/07/2025   19:38:51   (   0.02, -89.17) (  -0.81, -92.99)  434.58                80
 05/08/2025   19:17:28   (   0.02, -89.69) (   0.26, -88.47)  137.32                80
 05/10/2025   07:42:02   (  -0.02, -90.47) (   0.73, -93.80)  379.00                80
 05/11/2025   07:20:40   (  -0.02, -90.99) (  -0.41, -89.30)  192.87                80
 05/12/2025   19:45:21   (   0.02, -91.80) (  -0.61, -94.64)  324.41                80
 05/13/2025   19:23:59   (   0.02, -92.31) (   0.53, -90.15)  247.60                80
 05/15/2025   07:48:31   (  -0.02, -93.10) (   0.51, -95.46)  268.60                80