Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2023 11 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)
 11/29/2023   20:22:26   (  -0.00,-104.65) (   0.04,-104.45)   23.18                80
 12/02/2023   08:25:31   (   0.01,-104.68) (   0.12,-105.19)   58.30                80
 12/03/2023   08:04:06   (   0.02,-104.68) (  -0.87,-100.66)  457.97                80
 12/04/2023   20:26:04   (  -0.02,-104.66) (  -0.29,-105.97)  149.15                80
 12/05/2023   20:09:59   (  -0.02,-104.66) (   0.71,-101.44)  367.61                80
 12/07/2023   08:31:47   (   0.02,-104.70) (   0.48,-106.71)  229.27                80
 12/08/2023   08:10:23   (   0.02,-104.70) (  -0.52,-102.18)  287.27                80
 12/09/2023   20:32:19   (  -0.03,-104.67) (  -0.68,-107.48)  320.13                80
 12/10/2023   20:16:15   (  -0.03,-104.67) (   0.33,-102.94)  196.55                80
 12/12/2023   08:38:03   (   0.04,-104.71) (   0.85,-108.22)  400.37                80