Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 13.  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)
 03/15/2025   08:33:18   (  -0.03,-104.39) (   0.45,-106.62)  253.42                80
 03/16/2025   08:11:52   (  -0.03,-104.39) (  -0.53,-102.08)  263.03                80
 03/17/2025   20:33:49   (   0.03,-104.42) (  -0.66,-107.38)  338.60                80
 03/18/2025   20:17:44   (   0.03,-104.42) (   0.38,-102.86)  177.90                80
 03/20/2025   08:39:30   (  -0.03,-104.39) (   0.81,-108.12)  425.29                80
 03/21/2025   08:18:05   (  -0.03,-104.39) (  -0.18,-103.58)   90.98                80
 03/23/2025   20:23:56   (   0.02,-104.41) (   0.00,-104.35)    5.94                80
 03/26/2025   08:26:57   (  -0.00,-104.37) (   0.19,-105.08)   81.41                80
 03/27/2025   08:05:32   (  -0.00,-104.37) (  -0.87,-100.56)  434.99                80