Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 1 1.  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)
 01/02/2025   20:24:47   (  -0.00,-104.64) (   0.04,-104.46)   21.20                80
 01/05/2025   08:27:45   (   0.01,-104.68) (   0.09,-105.18)   56.47                80
 01/06/2025   08:06:17   (   0.01,-104.68) (  -0.91,-100.64)  460.52                80
 01/07/2025   20:28:09   (  -0.01,-104.62) (  -0.28,-105.92)  147.79                80
 01/08/2025   20:12:01   (  -0.01,-104.62) (   0.74,-101.38)  369.56                80
 01/10/2025   08:33:44   (   0.01,-104.66) (   0.44,-106.64)  224.55                80
 01/11/2025   08:12:16   (   0.02,-104.66) (  -0.54,-102.09)  292.40                80
 01/12/2025   20:34:06   (  -0.02,-104.59) (  -0.65,-107.37)  316.45                80
 01/13/2025   20:17:58   (  -0.02,-104.59) (   0.35,-102.82)  201.12                80
 01/15/2025   08:39:41   (   0.02,-104.64) (   0.77,-108.08)  391.59                80