Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 2 8.  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)
 02/08/2023   20:33:11   (  -0.02,-104.95) (  -0.55,-107.34)  271.50                80
 02/09/2023   20:17:01   (  -0.02,-103.81) (   0.24,-102.75)  120.73                80
 02/12/2023   08:17:10   (   0.03,-100.89) (   0.60,-103.34)  278.99                80
 02/13/2023   08:01:00   (   0.03, -99.75) (  -0.20, -98.75)  112.98                80
 02/15/2023   20:01:18   (  -0.04, -96.85) (  -0.61, -99.38)  288.94                80
 02/16/2023   19:45:08   (  -0.04, -95.69) (   0.14, -94.79)  102.94                80
 02/17/2023   19:26:18   (  -0.04, -94.55) (   0.94, -90.21)  495.00                80
 02/19/2023   07:45:18   (   0.05, -92.78) (   0.61, -95.39)  296.90                80
 02/20/2023   07:29:07   (   0.05, -91.63) (  -0.14, -90.79)   95.24                80
 02/21/2023   07:10:17   (   0.04, -90.48) (  -0.89, -86.20)  487.76                80