Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2024 1 12.  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)
 01/13/2024   08:37:58   (   0.02,-104.68) (   0.81,-108.17)  398.49                80
 01/14/2024   08:16:33   (   0.02,-104.68) (  -0.19,-103.63)  118.30                80
 01/15/2024   20:38:28   (  -0.02,-104.66) (  -1.00,-108.93)  487.92                80
 01/16/2024   20:22:24   (  -0.02,-104.66) (   0.06,-104.41)   29.35                80
 01/19/2024   08:25:25   (   0.03,-104.69) (   0.14,-105.13)   50.24                80
 01/20/2024   08:03:59   (   0.03,-104.69) (  -0.87,-100.59)  466.73                80
 01/21/2024   20:25:55   (  -0.04,-104.67) (  -0.31,-105.89)  139.46                80
 01/22/2024   20:09:49   (  -0.04,-104.67) (   0.71,-101.36)  377.66                80
 01/24/2024   08:31:35   (   0.05,-104.70) (   0.48,-106.62)  218.63                80
 01/25/2024   08:10:10   (   0.05,-104.70) (  -0.53,-102.08)  298.47                80
 01/26/2024   20:32:04   (  -0.05,-104.68) (  -0.69,-107.37)  307.52                80