Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-21
TLE Epoch: 2025 3 10.  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)
 03/11/2025   08:05:38   (  -0.02,-104.38) (  -0.87,-100.57)  435.14                80
 03/12/2025   20:27:35   (   0.00,-104.41) (  -0.35,-105.87)  166.83                80
 03/13/2025   20:11:30   (   0.01,-104.41) (   0.69,-101.34)  349.63                80
 03/15/2025   08:33:18   (  -0.01,-104.39) (   0.46,-106.61)  253.28                80
 03/16/2025   08:11:52   (  -0.01,-104.39) (  -0.52,-102.08)  263.09                80
 03/17/2025   20:33:48   (   0.01,-104.41) (  -0.68,-107.38)  339.06                80
 03/18/2025   20:17:44   (   0.01,-104.41) (   0.36,-102.85)  177.34                80
 03/20/2025   08:39:30   (  -0.01,-104.38) (   0.84,-108.12)  425.65                80
 03/21/2025   08:18:06   (  -0.01,-104.38) (  -0.21,-103.59)   90.52                80
 03/23/2025   20:23:57   (   0.00,-104.40) (   0.03,-104.36)    4.66                80