Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 26.  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)
 03/27/2025   08:05:30   (  -0.02,-104.38) (  -0.88,-100.55)  436.46                80
 03/28/2025   20:27:25   (   0.02,-104.42) (  -0.30,-105.85)  163.36                80
 03/29/2025   20:11:20   (   0.02,-104.42) (   0.72,-101.32)  353.67                80
 03/31/2025   08:33:05   (  -0.02,-104.39) (   0.48,-106.58)  249.67                80
 04/01/2025   08:11:40   (  -0.03,-104.39) (  -0.56,-102.04)  266.99                80
 04/02/2025   20:33:34   (   0.02,-104.42) (  -0.65,-107.34)  333.48                80
 04/03/2025   20:17:28   (   0.02,-104.42) (   0.40,-102.81)  183.42                80
 04/05/2025   08:39:14   (  -0.02,-104.38) (   0.79,-108.07)  419.60                80
 04/06/2025   08:17:47   (  -0.01,-104.38) (  -0.20,-103.53)   97.35                80
 04/08/2025   20:23:35   (   0.00,-104.42) (   0.03,-104.28)   14.99                80