Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 12.  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)
 01/13/2024   08:37:59   (  -0.00,-104.68) (   0.78,-108.18)  399.10                80
 01/14/2024   08:16:34   (  -0.00,-104.68) (  -0.22,-103.64)  117.63                80
 01/15/2024   20:38:29   (   0.00,-104.65) (  -0.97,-108.94)  488.63                80
 01/16/2024   20:22:23   (   0.00,-104.66) (   0.03,-104.40)   28.60                80
 01/19/2024   08:25:25   (  -0.00,-104.69) (   0.11,-105.14)   51.37                80
 01/20/2024   08:04:00   (  -0.01,-104.69) (  -0.90,-100.60)  465.46                80
 01/21/2024   20:25:55   (   0.01,-104.66) (  -0.28,-105.90)  141.04                80
 01/22/2024   20:09:50   (   0.01,-104.67) (   0.74,-101.36)  375.93                80
 01/24/2024   08:31:37   (  -0.02,-104.69) (   0.40,-106.64)  220.75                80
 01/25/2024   08:10:11   (  -0.02,-104.70) (  -0.62,-102.10)  296.30                80