Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 1 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)
 01/28/2025   06:11:07   (   0.02, -75.18) (  -0.76, -71.86)  379.91                80
 01/29/2025   18:32:58   (  -0.02, -75.19) (  -0.44, -77.14)  221.53                80
 01/30/2025   18:16:51   (  -0.01, -75.20) (   0.59, -72.60)  296.41                80
 02/01/2025   06:38:34   (   0.01, -75.20) (   0.58, -77.86)  302.52                80
 02/02/2025   06:17:05   (   0.01, -75.20) (  -0.40, -73.31)  215.62                80
 02/03/2025   18:38:57   (  -0.01, -75.22) (  -0.79, -78.59)  385.06                80
 02/04/2025   18:22:49   (  -0.01, -75.23) (   0.25, -74.05)  133.66                80
 02/06/2025   06:44:33   (   0.01, -75.24) (   0.90, -79.31)  463.93                80
 02/07/2025   06:23:04   (   0.00, -75.24) (  -0.09, -74.76)   54.57                80
 02/09/2025   18:26:08   (   0.01, -75.27) (  -0.04, -75.51)   27.00                80
 02/10/2025   18:09:59   (   0.01, -75.29) (   0.95, -70.96)  492.44                80