Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 28.  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)
 03/29/2025   20:11:20   (   0.02,-104.42) (   0.72,-101.32)  354.00                80
 03/31/2025   08:33:05   (  -0.02,-104.39) (   0.48,-106.57)  249.01                80
 04/01/2025   08:11:40   (  -0.03,-104.39) (  -0.55,-102.04)  267.77                80
 04/02/2025   20:33:35   (   0.03,-104.42) (  -0.60,-107.35)  332.66                80
 04/03/2025   20:17:28   (   0.03,-104.43) (   0.38,-102.81)  184.35                80
 04/05/2025   08:39:14   (  -0.02,-104.40) (   0.81,-108.06)  418.36                80
 04/06/2025   08:17:48   (  -0.02,-104.40) (  -0.23,-103.53)   98.74                80
 04/08/2025   20:23:36   (   0.01,-104.43) (   0.04,-104.29)   16.53                80
 04/11/2025   08:26:35   (  -0.00,-104.42) (   0.14,-105.01)   67.42                80