Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 10 29.  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)
 10/31/2023   08:24:57   (  -0.00,-104.69) (   0.11,-105.06)   43.13                80
 11/01/2023   08:03:34   (   0.00,-104.69) (  -0.94,-100.54)  472.38                80
 11/02/2023   20:25:33   (  -0.00,-104.66) (  -0.28,-105.85)  135.74                80
 11/03/2023   20:09:30   (   0.00,-104.66) (   0.77,-101.34)  380.11                80
 11/05/2023   08:31:20   (  -0.00,-104.69) (   0.44,-106.61)  218.60                80
 11/06/2023   08:09:56   (  -0.00,-104.69) (  -0.56,-102.08)  297.22                80
 11/07/2023   20:31:55   (  -0.00,-104.67) (  -0.59,-107.40)  310.71                80
 11/08/2023   20:15:52   (  -0.00,-104.67) (   0.41,-102.87)  205.56                80
 11/10/2023   08:37:41   (   0.00,-104.71) (   0.79,-108.14)  392.19                80
 11/11/2023   08:16:18   (  -0.00,-104.71) (  -0.21,-103.62)  123.83                80