Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2024   20:15:59   (  -0.02,-104.65) (   0.41,-102.85)  206.14                80
 01/29/2024   08:37:44   (   0.02,-104.68) (   0.81,-108.10)  389.80                80
 01/30/2024   08:16:19   (   0.01,-104.68) (  -0.22,-103.56)  127.25                80
 01/31/2024   20:38:13   (  -0.02,-104.65) (  -0.99,-108.85)  479.28                80
 02/01/2024   20:22:08   (  -0.02,-104.66) (   0.05,-104.32)   37.97                80
 02/04/2024   08:25:08   (   0.02,-104.69) (   0.12,-105.04)   40.83                80
 02/05/2024   08:03:42   (   0.02,-104.69) (  -0.92,-100.51)  475.93                80
 02/06/2024   20:25:36   (  -0.03,-104.65) (  -0.27,-105.80)  131.38                80
 02/07/2024   20:09:30   (  -0.02,-104.64) (   0.72,-101.26)  385.40                80
 02/09/2024   08:31:15   (   0.03,-104.67) (   0.47,-106.52)  210.60                80