Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2024 1 13.  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)
 01/14/2024   06:37:30   (  -0.04, -75.21) (   0.60, -78.08)  327.26                80
 01/15/2024   06:16:04   (  -0.04, -75.22) (  -0.40, -73.55)  190.24                80
 01/16/2024   18:38:00   (   0.04, -75.24) (  -0.78, -78.84)  411.30                80
 01/17/2024   18:21:55   (   0.04, -75.25) (   0.28, -74.32)  106.92                80
 01/19/2024   06:43:41   (  -0.04, -75.27) (   0.92, -79.58)  491.50                80
 01/20/2024   06:22:16   (  -0.03, -75.28) (  -0.09, -75.04)   26.83                80
 01/22/2024   18:25:26   (   0.02, -75.32) (  -0.07, -75.81)   55.10                80
 01/23/2024   18:09:19   (   0.00, -75.34) (   0.89, -71.26)  464.06                80
 01/25/2024   06:31:06   (   0.02, -75.36) (   0.29, -76.52)  132.53                80
 01/26/2024   06:09:40   (   0.02, -75.38) (  -0.73, -71.99)  386.67                80