Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 7.  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)
 01/08/2024   08:31:47   (   0.02,-104.68) (   0.44,-106.69)  227.78                80
 01/09/2024   08:10:21   (   0.02,-104.68) (  -0.55,-102.15)  288.45                80
 01/10/2024   20:32:17   (  -0.02,-104.65) (  -0.65,-107.44)  318.85                80
 01/11/2024   20:16:12   (  -0.01,-104.64) (   0.40,-102.92)  197.45                80
 01/13/2024   08:37:58   (   0.01,-104.66) (   0.83,-108.17)  400.50                80
 01/14/2024   08:16:34   (   0.01,-104.66) (  -0.23,-103.65)  115.65                80
 01/15/2024   20:38:29   (  -0.00,-104.63) (  -0.97,-108.94)  491.63                80
 01/16/2024   20:22:24   (   0.00,-104.63) (   0.03,-104.40)   25.09                80
 01/19/2024   08:25:26   (   0.00,-104.65) (   0.13,-105.14)   55.55                80
 01/20/2024   08:04:01   (   0.00,-104.65) (  -0.93,-100.61)  461.03                80